TABLE OF CONTENTS
CURRENT TRANSFORMERS
MINIATURES
TYPE TCW
TYPE TFW
TYPE TCB
TYPE TAB
PAGE 2-4
PAGE 5-7
PAGE 8-11
PAGE 12-15
INTERMEDIATE
TYPE AB WINDOW
TYPE AB WINDOW EXTENDED RANGE
TYPE AB BAR
TYPE AB BAR EXTENDED RANGE
PAGE 16-18
PAGE 16
PAGE 19-25
PAGE 19
PAD MOUNT
TYPE AP
TYPE AP EXTENDED RANGE
PAGE 26-27
PAGE 26-27
LARGE
TYPE I AD
TYPE I AD EXTENDED RANGE
TYPE II ACL
PAGE 28-31
PAGE 28
PAGE 32-34
VOLTAGE TRANSFORMERS
TYPE DB 500 VOLT AMPERES
TYPE DA 750 VOLT AMPERES
TYPE DF 300 VOLT AMPERES
PAGE 35-36
PAGE 35-36
PAGE 37-38
ACCESSORIES AND HARDWARE
BRACKETS
PAGE 39-40
CROSS REFERENCE AND INFORMATION
QUICK SELECTOR SHEET
WIRING DIAGRAMS
OPTIONAL FEATURES AVAILABLE
CROSS REFERENCE GUIDE
EXTENDED RANGE CURRENT TRANSFORMERS
JAN 12
DEC
14 REV #4
#5
PAGE 41
PAGE 42-44
PAGE 45
PAGE 45
PAGE 46-48
GEC Durham Industries, Inc.
TYPE TCW
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS MINIATURE WINDOW TYPE
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover.
Retained shorting device.
Certified test record with each transformer.
Meets ANSI, NEMA and EEI standards.
TYPE TCW WITH STUD TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30 C
RATING
FACTOR
55 C
RATING
FACTOR
FIGURE
TCW1
TCW2
TCW3
TCW4
100
200
300
400
197E
198E
230E
231E
0.2
0.2
0.2
0.2
4.0
3.0
3.0
2.0
4.0
2.0
2.0
2.0
1
4
4
4
5 lbs.
4 lbs.
4 lbs.
4 lbs.
WEIGHT
TYPE TCW WITH STUD TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
2
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30 C
RATING
FACTOR
55 C
RATING
FACTOR
FIGURE
WEIGHT
TCW1
TCW2
TCW3
TCW4
100
200
300
400
197KBR
198KBR
230KBR
231KBR
0.2
0.2
0.2
0.2
4.0
3.0
3.0
2.0
4.0
2.0
2.0
2.0
3
6
6
6
5 lbs.
4 lbs.
4 lbs.
4 lbs.
Specifications Subject to Change Without Notice.
TYPE TCW WITH STUD TYPE SECONDARY TERMINALS
Aluminum 2'' High Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TCW1
TCW2
TCW3
TCW4
100
200
300
400
197KH
198KH
230KH
231KH
0.2
0.2
0.2
0.2
4.0
3.0
3.0
2.0
4.0
2.0
2.0
2.0
2
5
5
5
5 lbs.
4 lbs.
4 lbs.
4 lbs.
TYPE TCW WITH PRESSURE TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TCW1
TCW2
TCW3
TCW4
100
200
300
400
197EP
198EP
230EP
231EP
0.2
0.2
0.2
0.2
4.0
3.0
3.0
2.0
4.0
2.0
2.0
2.0
1
4
4
4
5 lbs.
4 lbs.
4 lbs.
4 lbs.
TYPE TCW WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TCW1
TCW2
TCW3
TCW4
100
200
300
400
197KBRP
198KBRP
230KRBP
231KRBP
0.2
0.2
0.2
0.2
4.0
3.0
3.0
2.0
4.0
2.0
2.0
2.0
3
6
6
6
5 lbs.
4 lbs.
4 lbs.
4 lbs.
TYPE TCW WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum 2'' High Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TCW1
TCW2
TCW3
TCW4
100
200
300
400
197KHP
198KHP
230KHP
231KHP
0.2
0.2
0.2
0.2
4.0
3.0
3.0
2.0
4.0
2.0
2.0
2.0
2
5
5
5
5 lbs.
4 lbs.
4 lbs.
4 lbs.
Specifications Subject to Change Without Notice.
3
TYPE TCW
4
GEC Durham Industries, Inc.
TYPE TFW
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS MINIATURE
WINDOW TYPE
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Includes clear sealable secondary terminal cover
Includes a retained shorting device
Includes certified test record with each transformer
TYPE TFW WITH STUD TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TFW1
TFW2
TFW3
TFW4
100
200
300
400
349E
350E
351E
352E
0.1
0.5
0.5
0.5
3.0
3.0
3.0
2.0
3.0
2.4
2.4
1.5
1
1
4
4
5 lbs.
4 lbs.
4 lbs.
4 lbs.
TYPE TFW WITH STUD TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TFW1
TFW2
TFW3
TFW4
100
200
300
400
349KBR
350KBR
351KBR
352KBR
0.1
0.5
0.5
0.5
3.0
3.0
3.0
2.0
3.0
2.4
2.4
1.5
3
3
6
6
5 lbs.
4 lbs.
4 lbs.
4 lbs.
Specifications Subject to Change Without Notice.
5
TYPE TFW WITH STUD TYPE SECONDARY TERMINALS
Aluminum 2'' High Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TFW1
TFW2
TFW3
TFW4
100
200
300
400
349KH
350KH
351KH
352KH
0.1
0.5
0.5
0.5
3.0
3.0
3.0
2.0
3.0
2.4
2.4
1.5
2
2
5
5
5 lbs.
4 lbs.
4 lbs.
4 lbs.
TYPE TFW WITH PRESSURE TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TFW1
TFW2
TFW3
TFW4
100
200
300
400
349EP
350EP
351EP
352EP
0.1
0.5
0.5
0.5
3.0
3.0
3.0
2.0
3.0
2.4
2.4
1.5
1
1
4
4
5 lbs.
4 lbs.
4 lbs.
4 lbs.
TYPE TFW WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TFW1
TFW2
TFW3
TFW4
100
200
300
400
349KBRP
350KBRP
351KBRP
352KBRP
0.1
0.5
0.5
0.5
3.0
3.0
3.0
2.0
3.0
2.4
2.4
1.5
3
3
6
6
5 lbs.
4 lbs.
4 lbs.
4 lbs.
TYPE TFW WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum 2'' High Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TFW1
TFW2
TFW3
TFW4
100
200
300
400
349KHP
350KHP
351KHP
352KHP
0.1
0.5
0.5
0.5
3.0
3.0
3.0
2.0
3.0
2.4
2.4
1.5
2
2
5
5
5 lbs.
4 lbs.
4 lbs.
4 lbs.
Specifications Subject to Change Without Notice.
6
TYPE TFW
7
GEC Durham Industries, Inc.
TYPE TCB
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS MINIATURE BAR TYPE
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Includes clear sealable secondary terminal cover
Clear sealable secondary terminal cover
Retained shorting device
#6-14 Potential terminal
Tinned plated copper bus bar
Certified test record with each transformer
Meets ANSI, NEMA AND EEI standards
TYPE TCB WITH STUD TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TCB11
TCB21
TCB31
TCB41
TCB61
TCB81
100
200
300
400
600
800
173E
199E
233E
234E
235E
229E
0.2
0.2
0.2
0.2
0.2
0.2
4.0
2.0
2.0
2.0
2.0
1.5
3.0
1.5
1.5
1.5
1.5
1.1
1
2
7
7
8
8
5 lbs.
4 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
TYPE TCB WITH STUD TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
8
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TCB11
TCB21
TCB31
TCB41
TCB61
TCB81
100
200
300
400
600
800
173KBR
199KBR
233KBR
234KBR
235KBR
229KBR
0.2
0.2
0.2
0.2
0.2
0.2
4.0
2.0
2.0
2.0
2.0
1.5
3.0
1.5
1.5
1.5
1.5
1.1
3
4
9
9
10
10
5 lbs.
4 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
Specifications Subject to Change Without Notice.
TYPE TCB WITH STUD TYPE SECONDARY TERMINALS
Aluminum 2'' High Mounting Base Included
MODEL
TCB11
TCB21
TCB31
TCB41
TCB61
TCB81
PRIMARY
AMPS
100
200
300
400
600
800
CATALOG
NUMBER
173KH
199KH
233KH
234KH
235KH
229KH
BURDEN
0.3 ACCURACY
CLASS
0.2
0.2
0.2
0.2
0.2
0.2
30C
RATING
FACTOR
4.0
2.0
2.0
2.0
2.0
1.5
55C
RATING
FACTOR
3.0
1.5
1.5
1.5
1.5
1.1
FIGURE
5
6
6
11
12
12
WEIGHT
5 lbs.
4 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
TYPE TCB WITH PRESSURE TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
TCB11
TCB21
TCB31
TCB41
TCB61
TCB81
PRIMARY
AMPS
100
200
300
400
600
800
CATALOG
NUMBER
173EP
199EP
233EP
234EP
235EP
229EP
BURDEN
0.3 ACCURACY
CLASS
0.2
0.2
0.2
0.2
0.2
0.2
30C
RATING
FACTOR
4.0
2.0
2.0
2.0
2.0
1.5
55C
RATING
FACTOR
3.0
1.5
1.5
1.5
1.5
1.1
FIGURE
1
2
7
7
8
8
WEIGHT
5 lbs.
4 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
TYPE TCB WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
TCB11
TCB21
TCB31
TCB41
TCB61
TCB81
PRIMARY
AMPS
100
200
300
400
600
800
CATALOG
NUMBER
173KBRP
199KBRP
233KBRP
234KBRP
235KBRP
229KBRP
BURDEN
0.3 ACCURACY
CLASS
0.2
0.2
0.2
0.2
0.2
0.2
30C
RATING
FACTOR
4.0
2.0
2.0
2.0
2.0
1.5
55C
RATING
FACTOR
3.0
1.5
1.5
1.5
1.5
1.1
FIGURE
3
4
9
9
10
10
WEIGHT
5 lbs.
4 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
TYPE TCB WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum 2" High Mounting Base Included
MODEL
TCB11
TCB21
TCB31
TCB41
TCB61
TCB81
PRIMARY
AMPS
100
200
300
400
600
800
CATALOG
NUMBER
173KHP
199KHP
233KHP
234KHP
235KHP
229KHP
BURDEN
0.3 ACCURACY
CLASS
0.2
0.2
0.2
0.2
0.2
0.2
30C
RATING
FACTOR
4.0
2.0
2.0
2.0
2.0
1.5
Specifications Subject to Change Without Notice.
55C
RATING
FACTOR
3.0
1.5
1.5
1.5
1.5
1.1
FIGURE
5
6
11
11
12
12
WEIGHT
5 lbs.
4 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
9
TYPE TCB
10
TYPE TCB
11
GEC Durham Industries, Inc.
TYPE TAB
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS MINIATURE BAR TYPE
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover
Retained shorting device
#6-14 Potential terminal
Tinned plated copper bus bar
Certified test record with each transformer
Meet ANSI, NEMA AND EEI standards
TYPE TAB WITH STUD TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
TAB21
TAB31
TAB41
TAB61
TAB81
PRIMARY
AMPS
200
300
400
600
800
CATALOG
NUMBER
205E
206E
207E
208E
209E
BURDEN
0.3 ACCURACY
CLASS
0.5
0.5
0.5
0.5
0.5
30C
RATING
FACTOR
2.0
2.0
2.0
2.0
1.5
55C
RATING
FACTOR
1.5
1.5
1.5
1.5
1.1
FIGURE
1
2
2
7
7
WEIGHT
5 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
TYPE TAB WITH STUD TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TAB21
TAB31
TAB41
TAB61
TAB81
200
300
400
600
800
205KBR
206KBR
207KBR
208KBR
209KBR
0.5
0.5
0.5
0.5
0.5
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
1.1
3
4
4
8
8
5 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
Specifications Subject to Change Without Notice.
12
TYPE TAB WITH STUD TYPE SECONDARY TERMINALS
Aluminum 2'' High Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TAB21
TAB31
TAB41
TAB61
TAB81
200
300
400
600
800
205KH
206KH
207KH
208KH
209KH
0.5
0.5
0.5
0.5
0.5
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
1.1
5
6
6
9
9
5 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
TYPE TAB WITH PRESSURE TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TAB21
TAB31
TAB41
TAB61
TAB81
200
300
400
600
800
205EP
206EP
207EP
208EP
209EP
0.5
0.5
0.5
0.5
0.5
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
1.1
1
2
2
7
7
5 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
TYPE TAB WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
TAB21
TAB31
TAB41
TAB61
TAB81
200
300
400
600
800
205KBRP
206KBRP
207KBRP
208KBRP
209KBRP
0.5
0.5
0.5
0.5
0.5
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
1.1
3
4
4
8
8
5 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
FIGURE
5
6
6
9
9
WEIGHT
5 lbs.
6 lbs.
6 lbs.
7 lbs.
7 lbs.
TYPE TAB WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum 2" High Mounting Base Included
MODEL
TAB21
TAB31
TAB41
TAB61
TAB81
PRIMARY
AMPS
200
300
400
600
800
CATALOG
NUMBER
205KHP
206KHP
207KHP
208KHP
209KHP
BURDEN
0.3 ACCURACY
CLASS
0.5
0.5
0.5
0.5
0.5
30C
RATING
FACTOR
2.0
2.0
2.0
2.0
1.5
Specifications Subject to Change Without Notice.
55C
RATING
FACTOR
1.5
1.5
1.5
1.5
1.1
13
TYPE TAB
14
TYPE TAB
15
GEC Durham Industries, Inc.
TYPE AB
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS INTERMEDIATE
WINDOW TYPE
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover
Retained shorting device
Certified test record with each transformer
Meet ANSI, NEMA AND EEI standards
TYPE AB WITH STUD TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AB1
AB1
AB2
AB3
AB4
AB6
AB8
100
100
200
300
400
600
800
93K
99K
100K
101K
102K
103K
104K
0.1
0.2
0.5
0.5
0.5
0.5
0.5
4.0
4.0
4.0
3.0
4.0
2.0
2.0
4.0
4.0
4.0
2.4
3.0
1.5
1.5
2
1
2
2
5
5
5
11lbs.
13lbs.
11lbs.
11lbs.
7lbs.
6lbs.
6lbs.
4.0/2.0
2.0/2.0
2.0/2.0
3.0/1.5
1.5/1.5
1.5/1.5
2
5
5
11lbs.
7lbs.
7lbs.
DUAL RATIO
AB2/4
AB3/6
AB4/8
200/400
300/600
400/800
110K
111K
112K
0.5/0.5
0.5/0.5
0.5/0.5
EXTENDED RANGE CURRENT TRANSFORMERS
WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
0.6%
PRIMARY CATALOG RATED
ACCURACY
MODEL AMPS NUMBER BURDEN
CLASS
AB5Y
500
120YKP
0.5
20-199 AMPS
0.3%
30C
ACCURACY
RATING
CLASS
FACTOR
200-2000 AMPS
4.0
Specifications Subject to Change Without Notice.
16
55C
RATING
FACTOR FIGURE WEIGHT
3.0
5
7lbs.
TYPE AB WITH STUD TYPE SECONDARY TERMINALS
Aluminum 1'' High Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AB1
AB1
AB2
AB3
AB4
AB6
AB8
100
100
200
300
400
600
800
93KH
99KH
100KH
101KH
102KH
103KH
104KH
0.1
0.2
0.5
0.5
0.5
0.5
0.5
4.0
4.0
4.0
3.0
4.0
2.0
2.0
4.0
4.0
4.0
2.4
3.0
1.5
1.5
4
3
4
4
6
6
6
11lbs.
13lbs.
11lbs.
11lbs.
7lbs.
6lbs.
6lbs.
200/400
300/600
400/800
110KH
111KH
112KH
0.5/0.5
0.5/0.5
0.5/0.5
4.0/2.0
2.0/2.0
2.0/2.0
3.0/1.5
1.5/1.5
1.5/1.5
4
6
6
11lbs.
7lbs.
7lbs.
AB2/4
AB3/6
AB4/8
DUAL RATIO
TYPE AB WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AB1
AB1
AB2
AB3
AB4
AB6
AB8
100
100
200
300
400
600
800
93KP
99KP
100KP
101KP
102KP
103KP
104KP
0.1
0.2
0.5
0.5
0.5
0.5
0.5
4.0
4.0
4.0
3.0
4.0
2.0
2.0
4.0
4.0
4.0
2.4
3.0
1.5
1.5
2
1
2
2
5
5
5
11lbs.
13lbs.
11lbs.
11lbs.
7lbs.
6lbs.
6lbs.
4.0/2.0
2.0/2.0
2.0/2.0
3.0/1.5
1.5/1.5
1.5/1.5
2
5
5
11lbs.
7lbs.
7lbs.
55C
RATING
FACTOR
4.0
4.0
4.0
2.4
3.0
1.5
1.5
FIGURE
4
3
4
4
6
6
6
WEIGHT
11lbs.
13lbs.
11lbs.
11lbs.
7lbs.
6lbs.
6lbs.
3.0/1.5
1.5/1.5
1.5/1.5
4
6
6
11lbs.
7lbs.
7lbs.
DUAL RATIO
AB2/4
AB3/6
AB4/8
200/400
300/600
400/800
110KP
111KP
112KP
0.5/0.5
0.5/0.5
0.5/0.5
TYPE AB WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum 1" High Mounting Base Included
MODEL
AB1
AB1
AB2
AB3
AB4
AB6
AB8
PRIMARY
AMPS
100
100
200
300
400
600
800
CATALOG
NUMBER
93KHP
99KHP
100KHP
101KHP
102KHP
103KHP
104KHP
BURDEN
0.3 ACCURACY
CLASS
0.1
0.2
0.5
0.5
0.5
0.5
0.5
AB2/4
AB3/6
AB4/8
200/400
300/600
400/800
110KHP
111KHP
112KHP
0.5/0.5
0.5/0.5
0.5/0.5
30C
RATING
FACTOR
4.0
4.0
4.0
3.0
4.0
2.0
2.0
DUAL RATIO
4.0/2.0
2.0/2.0
2.0/2.0
Specifications Subject to Change Without Notice.
17
TYPE AB
18
GEC Durham Industries, Inc.
TYPE AB
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS LARGE TYPE II
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover
Retained shorting device
Tin plated copper removable bus bar
#6-14 Potential terminal
Certified test record with each transformer
Meet ANSI, NEMA AND EEI standards
TYPE AB WITH REMOVABLE BUS BAR WITH STUD TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AB11
AB11
AB21
AB31
AB41
AB61
AB81
AB101
AB121
AB151
AB201
AB301
AB401
100
100
200
300
400
600
800
1000
1200
1500
2000
3000
4000
124K
122K
105K
106K
107K
108K
109K
134K
135K
136K
137K
138K
139K
0.1
0.2
0.5
0.5
0.5
0.5
0.5
0.5
1.8
1.8
1.8
1.8
1.8
4.0
4.0
4.0
2.0
4.0
2.0
2.0
2.0
1.5
1.5
1.5
1.33
1.0
4.0
4.0
4.0
1.5
3.0
1.5
1.5
1.5
1.1
1.1
1.1
1.0
0.7
2
1
2
2
5
5
5
6
6
9
10
13
13
11lbs.
15lbs.
13lbs.
13lbs.
11lbs.
10lbs.
10lbs.
10lbs.
10lbs.
12lbs.
18lbs.
20lbs.
21lbs.
200/400
300/600
400/800
1000/2000
1500/3000
2000/4000
113K
114K
115K
143K
144K
145K
0.5/0.5
0.5/0.5
0.5/0.5
0.5/1.8
1.8/1.8
1.8/1.8
4.0/2.0
2.0/2.0
2.0/2.0
2.0/1.5
1.5/1.33
1.5/1.0
3.0/1.5
1.5/1.5
1.5/1.5
1.5/1.1
1.1/1.0
1.1/0.7
2
5
5
10
13
13
13lbs.
11lbs.
11lbs.
18lbs.
21lbs.
21lbs.
DUAL RATIO
AB2/41
AB3/61
AB4/81
AB10/201
AB15/301
AB20/401
EXTENDED RANGE TRANSFORMER WITH REMOVABLE BUS BAR
WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
0.6%
CATALOG RATED ACCURACY
MODEL RATIO NUMBER BURDEN
CLASS
AB51Y
AB51Y
500:5
500:5
121YKP
276YKP
0.5
0.5
0.3%
ACCURACY
CLASS
20-199 AMPS 200-2000 AMPS
20-199 AMPS 200-2000 AMPS
30C
55C
RATING RATING
FACTOR FACTOR FIGURE
4.0
4.0
Specifications Subject to Change Without Notice.
3.0
3.0
6
5
BAR
WEIGHT
4 Hole
10lbs.
Slotted Hole 10lbs.
19
TYPE AB WITH REMOVABLE BUS BAR WITH STUD TYPE SECONDARY TERMINALS
Aluminum 1'' High Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AB11
AB11
AB21
AB31
AB41
AB61
AB81
AB101
AB121
AB151
AB201
AB301
AB401
100
100
200
300
400
600
800
1000
1200
1500
2000
3000
4000
124KH
122KH
105KH
106KH
107KH
108KH
109KH
134KH
135KH
136KH
137KH
138KH
139KH
0.1
0.2
0.5
0.5
0.5
0.5
0.5
0.5
1.8
1.8
1.8
1.8
1.8
4.0
4.0
4.0
2.0
4.0
2.0
2.0
2.0
1.5
1.5
1.5
1.33
1.0
4.0
4.0
4.0
1.5
3.0
1.5
1.5
1.5
1.1
1.1
1.1
1.0
0.7
4
3
4
4
7
7
7
8
8
11
12
14
14
11lbs.
15lbs.
13lbs.
13lbs.
11lbs.
10lbs.
10lbs.
10lbs.
10lbs.
12lbs.
18lbs.
20lbs.
21lbs.
4.0/2.0
2.0/2.0
2.0/2.0
2.0/1.5
1.5/1.33
1.5/1.0
3.0/1.5
1.5/1.5
1.5/1.5
1.5/1.1
1.1/1.0
1.1/0.7
4
7
7
12
14
14
13lbs.
11lbs.
11lbs.
18lbs.
21lbs.
21lbs.
DUAL RATIO
AB2/41
AB3/61
AB4/81
AB10/201
AB15/301
AB20/401
200/400
300/600
400/800
1000/2000
1500/3000
2000/4000
113KH
114KH
115KH
143KH
144KH
145KH
0.5/0.5
0.5/0.5
0.5/0.5
0.5/1.8
1.8/1.8
1.8/1.8
TYPE AB WITH REMOVABLE BUS BAR WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AB11
AB11
AB21
AB31
AB41
AB61
AB81
AB101
AB121
AB151
AB201
AB301
AB401
100
100
200
300
400
600
800
1000
1200
1500
2000
3000
4000
124KP
122KP
105KP
106KP
107KP
108KP
109KP
134KP
135KP
136KP
137KP
138KP
139KP
0.1
0.2
0.5
0.5
0.5
0.5
0.5
0.5
1.8
1.8
1.8
1.8
1.8
4.0
4.0
4.0
2.0
4.0
2.0
2.0
2.0
1.5
1.5
1.5
1.33
1.0
4.0
4.0
4.0
1.5
3.0
1.5
1.5
1.5
1.1
1.1
1.1
1.0
0.7
2
1
2
2
5
5
5
6
6
9
10
13
13
11lbs.
15lbs.
13lbs.
13lbs.
11lbs.
10lbs.
10lbs.
10lbs.
10lbs.
12lbs.
18lbs.
20lbs.
21lbs.
200/400
300/600
400/800
1000/2000
1500/3000
2000/4000
113KP
114KP
115KP
143KP
144KP
145KP
0.5/0.5
0.5/0.5
0.5/0.5
0.5/1.8
1.8/1.8
1.8/1.8
4.0/2.0
2.0/2.0
2.0/2.0
2.0/1.5
1.5/1.33
1.5/1.0
3.0/1.5
1.5/1.5
1.5/1.5
1.5/1.1
1.1/1.0
1.1/0.7
2
5
5
10
13
13
13lbs.
11lbs.
11lbs.
18lbs.
21lbs.
21lbs.
DUAL RATIO
AB2/41
AB3/61
AB4/81
AB10/201
AB15/301
AB20/401
20
Specifications Subject to Change Without Notice.
TYPE AB WITH REMOVABLE BUS BAR WITH STUD TYPE SECONDARY TERMINALS
Aluminum 1'' High Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AB11
AB11
AB21
AB31
AB41
AB61
AB81
AB101
AB121
AB151
AB201
AB301
AB401
100
100
200
300
400
600
800
1000
1200
1500
2000
3000
4000
124KHP
122KHP
105KHP
106KHP
107KHP
108KHP
109KHP
134KHP
135KHP
136KHP
137KHP
138KHP
139KHP
0.1
0.2
0.5
0.5
0.5
0.5
0.5
0.5
1.8
1.8
1.8
1.8
1.8
4.0
4.0
4.0
2.0
4.0
2.0
2.0
2.0
1.5
1.5
1.5
1.33
1.0
4.0
4.0
4.0
1.5
3.0
1.5
1.5
1.5
1.1
1.1
1.1
1.0
0.7
4
3
4
4
7
7
7
8
8
11
12
14
14
11lbs.
15lbs.
13lbs.
13lbs.
11lbs.
10lbs.
10lbs.
10lbs.
10lbs.
12lbs.
18lbs.
20lbs.
21lbs.
4.0/2.0
2.0/2.0
2.0/2.0
2.0/1.5
1.5/1.33
1.5/1.0
3.0/1.5
1.5/1.5
1.5/1.5
1.5/1.1
1.1/1.0
1.1/0.1
4
7
7
12
14
14
13lbs.
11lbs.
11lbs.
18lbs.
21lbs.
21lbs.
DUAL RATIO
AB2/41
AB3/61
AB4/81
AB10/201
AB15/301
AB20/401
200/400
300/600
400/800
1000/2000
1500/3000
2000/4000
113KHP
114KHP
115KHP
143KHP
144KHP
145KHP
0.5/0.5
0.5/0.5
0.5/0.5
0.5/1.8
1.8/1.8
1.8/1.8
Specifications Subject to Change Without Notice.
21
TYPE AB
22
TYPE AB
1/2”
1/2”
23
TYPE AB
24
TYPE AB
25
GEC Durham Industries, Inc.
TYPE AP
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS FOR USE IN PAD MOUNTED
DISTRIBUTION TRANSFORMERS
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover
Retained shorting device
Pressure type secondary terminals
“Grabber” for stabilizing unit on a bus bar
Certified test record with each transformer
Meet ANSI, NEMA AND EEI standards
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
85C
RATING
FACTOR
AP2
AP2
APN2
APNE2
AP3
AP4
APN4
AP5
AP6
AP8
AP10
AP12
AP15
AP20
AP30
AP40
200
200
200
200
300
400
400
500
600
800
1000
1200
1500
2000
3000
4000
601
601A
601N
601NE
602
603
603N
604
605
606
607
608
609
610
611
612
0.1
0.1
0.2
0.2
0.2
0.2
0.5
0.5
0.5
0.5
0.5
0.9
1.8
1.8
1.8
1.8
3.0
4.0
3.0
4.0
3.0
4.0
4.0
3.0
3.0
3.0
2.0
2.0
2.0
1.5
1.33
1.0
3.0
4.0
3.0
4.0
3.0
4.0
4.0
3.0
3.0
3.0
2.0
2.0
2.0
1.5
1.33
1.0
3.0
4.0
3.0
4.0
3.0
4.0
4.0
3.0
3.0
2.5
2.0
2.0
2.0
1.5
1.33
1.0
FIGURE 1
DIMENSION
A
WEIGHT
2''
2''
2-1/2''
2-1/2''
2''
2''
2''
2''
2''
2''
2''
2''
2''
2''
2''
2-1/2''
7lbs.
7lbs.
9lbs.
9lbs.
7lbs.
7lbs.
7lbs.
7lbs.
7lbs.
7lbs.
7lbs.
7lbs.
7lbs.
7lbs.
7lbs.
9lbs.
EXTENDED RANGE TRANSFORMERS WITH
PRESSURE TYPE SECONDARY TERMINALS
CATALOG RATED
MODEL RATIO NUMBER BURDEN
AP2Y 200:5
AP5Y 500:5
AP15Y 1500:5
601Y
604Y
609Y
0.1
0.5
0.5
0.6%
ACCURACY
CLASS
0.3%
ACCURACY
CLASS
30C
55C
85C
RATING RATING RATING
FACTOR FACTOR FACTOR FIG 1 WEIGHT
8-79 AMPS
80-800 AMPS
20-199 AMPS 200-2000 AMPS
60-599 AMPS 600-3000 AMPS
Specifications Subject to Change Without Notice.
26
4.0
4.0
2.0
4.0
4.0
2.0
4.0
4.0
2.0
1
1
1
9lbs.
7lbs.
7lbs.
TYPE AP
27
GEC Durham Industries, Inc.
TYPE AD
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS LARGE TYPE I
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover
Retained shorting device
Certified test record with each transformer
Meet ANSI, NEMA AND EEI standards
TYPE AD WITH STUD TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
AD2
AD4
AD6
AD8
AD10
AD12
AD15
AD20
AD30
AD40
200
400
600
800
1000
1200
1500
2000
3000
4000
552E
554E
555E
556E
562E
557E
558E
559E
560E
561E
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
4.0
4.0
3.0
2.0
2.0
2.0
3.0
2.0
1.5
1.5
4.0
3.0
2.4
1.5
1.5
1.5
2.4
1.5
1.1
1.1
1
1
1
1
1
1
1
1
1
1
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
3.0/2.0
2.0/2.0
2.0/2.0
2.0/1.5
2.0/1.5
2.4/1.5
1.5/1.5
1.5/1.5
1.5/1.0
1.5/1.0
1
1
1
1
1
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
0.2
0.2
0.5
0.5
0.5
0.9
0.9
1.8
1.8
1.8
DUAL RATIO
AD6/12
AD8/16
AD10/20
AD15/30
AD20/40
600/1200
800/1600
1000/2000
1500/3000
2000/4000
564E
565E
571E
572E
573E
0.5/0.9
0.5/0.9
0.5/1.8
0.9/1.8
1.8/1.8
EXTENDED RANGE CURRENT TRANSFORMERS
WITH PRESSURE TYPE SECONDARY TERMINALS
Aluminum Low Mounting Base Included
MODEL RATIO
CATALOG RATED
NUMBER BURDEN
AD10Y 1000:5
562YMP
0.5
0.6%
ACCURACY
CLASS
0.3%
ACCURACY
CLASS
30C
RATING
FACTOR
40-399 AMPS
400-4000 AMPS
4.0
Specifications Subject to Change Without Notice.
28
55C
RATING
FACTOR FIGURE WEIGHT
3.0
2
17lbs.
TYPE AD WITH STUD TYPE SECONDARY TERMINALS
2-Piece Stainless Steel Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AD2
AD4
AD6
AD8
AD10
AD12
AD15
AD20
AD30
AD40
200
400
600
800
1000
1200
1500
2000
3000
4000
552M
554M
555M
556M
562M
557M
558M
559M
560M
561M
0.2
0.2
0.5
0.5
0.5
0.9
0.9
1.8
1.8
1.8
4.0
4.0
3.0
2.0
2.0
2.0
3.0
2.0
1.5
1.5
4.0
3.0
2.4
1.5
1.5
1.5
2.4
1.5
1.1
1.1
2
2
2
2
2
2
2
2
2
2
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
3.0/2.0
2.0/2.0
2.0/2.0
2.0/1.5
2.0/1.5
2.4/1.5
1.5/1.5
1.5/1.5
1.5/1.0
1.5/1.0
2
2
2
2
2
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
DUAL RATIO
AD6/12
AD8/16
AD10/20
AD15/30
AD20/40
600/1200
800/1600
1000/2000
1500/3000
2000/4000
564M
565M
571M
572M
573M
0.5/0.9
0.5/0.9
0.5/1.8
0.9/1.8
1.8/1.8
TYPE AD WITH PRESSURE TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
AD2
AD4
AD6
AD8
AD10
AD12
AD15
AD20
AD30
AD40
200
400
600
800
1000
1200
1500
2000
3000
4000
552EP
554EP
555EP
556EP
562EP
557EP
558EP
559EP
560EP
561EP
0.2
0.2
0.5
0.5
0.5
0.9
0.9
1.8
1.8
1.8
4.0
4.0
3.0
2.0
2.0
2.0
3.0
2.0
1.5
1.5
4.0
3.0
2.4
1.5
1.5
1.5
2.4
1.5
1.1
1.1
1
1
1
1
1
1
1
1
1
1
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
3.0/2.0
2.0/2.0
2.0/2.0
2.0/1.5
2.0/1.5
2.4/1.5
1.5/1.5
1.5/1.5
1.5/1.0
1.5/1.0
1
1
1
1
1
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
DUAL RATIO
AD6/12
AD8/16
AD10/20
AD15/30
AD20/40
600/1200
800/1600
1000/2000
1500/3000
2000/4000
564EP
565EP
571EP
572EP
573EP
0.5/0.9
0.5/0.9
0.5/1.8
0.9/1.8
1.8/1.8
Specifications Subject to Change Without Notice.
29
TYPE AD WITH PRESSURE TYPE SECONDARY TERMINALS
2-Piece Stainless Steel Mounting Base Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
AD2
AD4
AD6
AD8
AD10
AD12
AD15
AD20
AD30
AD40
200
400
600
800
1000
1200
1500
2000
3000
4000
552MP
554MP
555MP
556MP
562MP
557MP
558MP
559MP
560MP
561MP
0.2
0.2
0.5
0.5
0.5
0.9
0.9
1.8
1.8
1.8
4.0
4.0
3.0
2.0
2.0
2.0
3.0
2.0
1.5
1.5
4.0
3.0
2.4
1.5
1.5
1.5
2.4
1.5
1.1
1.1
2
2
2
2
2
2
2
2
2
2
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
3.0/2.0
2.0/2.0
2.0/2.0
2.0/1.5
2.0/1.5
2.4/1.5
1.5/1.5
1.5/1.5
1.5/1.0
1.5/1.0
2
2
2
2
2
17lbs.
17lbs.
17lbs.
17lbs.
17lbs.
WEIGHT
DUAL RATIO
AD6/12
AD8/16
AD10/20
AD15/30
AD20/40
30
600/1200
800/1600
1000/2000
1500/3000
2000/4000
564MP
565MP
571MP
572MP
573MP
0.5/0.9
0.5/0.9
0.5/1.8
0.9/1.8
1.8/1.8
Specifications Subject to Change Without Notice.
TYPE AD
31
GEC Durham Industries, Inc.
TYPE ACL
INSTRUMENT CURRENT TRANSFORMER
600 VOLT CLASS LARGE TYPE II
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover
Retained shorting device
Certified test record with each transformer
Meet ANSI, NEMA AND EEI standards
TYPE ACL WITH STUD TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
ACL8
ACL10
ACL12
ACL15
ACL20
ACL30
ACL40
800
1000
1200
1500
2000
3000
4000
528
529
530
531
532
533
534
0.5
0.5
0.9
0.9
1.8
1.8
1.8
3.0
3.0
3.0
3.0
2.0
2.0
1.5
2.4
2.4
2.4
2.4
1.5
1.5
1.1
1
1
1
1
1
1
1
24lbs.
24lbs.
24lbs.
24lbs.
24lbs.
24lbs.
24lbs.
3.0/2.0
3.0/2.0
2.0/1.5
2.4/1.5
2.4/1.5
1.5/1.1
1
1
1
24lbs.
24lbs.
24lbs.
DUAL RATIO
ACL10/20
ACL15/30
ACL20/40
32
1000/2000
1500/3000
2000/4000
541
542
543
0.5/1.8
0.9/1.8
1.8/1.8
Specifications Subject to Change Without Notice.
GEC Durham Industries, Inc.
TYPE ACL WITH PRESSURE TYPE SECONDARY TERMINALS
Mounting Base Not Included
MODEL
PRIMARY
AMPS
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
RATING
FACTOR
55C
RATING
FACTOR
FIGURE
WEIGHT
ACL8
ACL10
ACL12
ACL15
ACL20
ACL30
ACL40
800
1000
1200
1500
2000
3000
4000
528P
529P
530P
531P
532P
533P
534P
0.5
0.5
0.9
0.9
1.8
1.8
1.8
3.0
3.0
3.0
3.0
2.0
2.0
1.5
2.4
2.4
2.4
2.4
1.5
1.5
1.1
1
1
1
1
1
1
1
24lbs.
24lbs.
24lbs.
24lbs.
24lbs.
24lbs.
24lbs.
3.0/2.0
3.0/2.0
2.0/1.5
2.4/1.5
2.4/1.5
1.5/1.1
1
1
1
24lbs.
24lbs.
24lbs.
DUAL RATIO
ACL10/20
ACL15/30
ACL20/40
1000/2000
1500/3000
2000/4000
541P
542P
543P
0.5/1.8
0.9/1.8
1.8/1.8
Specifications Subject to Change Without Notice.
33
TYPE ACL
34
GEC Durham Industries, Inc.
TYPE DB and DA
INSTRUMENT VOLTAGE TRANSFORMER
600 VOLT CLASS
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover
Pressure type secondary terminals
Certified test record with each transformer
Meet ANSI, NEMA AND EEI standards
TYPE DB 500 VOLT AMPERES
Stainless Steel Mounting Base Included
PRIMARY SECONDARY
MODEL VOLTAGE
VOLTAGE
RATIO
DB1
DB2
DB3
DB2.4
DB2.5
DB4
120
240
480
288
300
480
120
120
240
120
120
120
1:1
2:1
2:1
2.4:1
2.5:1
4:1
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
CONTINUOUS
THERMAL RATING
WEIGHT
1051
1052
1066
1053
1054
1055
W,X,M
W,X,M
W,X,M
W,X,M
W,X,M
W,X,M
500 VOLT AMPERES
500 VOLT AMPERES
500 VOLT AMPERES
500 VOLT AMPERES
500 VOLT AMPERES
500 VOLT AMPERES
14lbs
14lbs
14lbs
14lbs
14lbs
14lbs
TYPE DA 750 VOLT AMPERES
Stainless Steel Mounting Base Included
PRIMARY SECONDARY
MODEL VOLTAGE
VOLTAGE
RATIO
DA1
DA2
DA2.4
DA2.5
DA4
120
240
288
300
480
120
120
120
120
120
1:1
2:1
2.4:1
2.5:1
4:1
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C
CONTINUOUS
THERMAL RATING
WEIGHT
1001
1002
1003
1004
1005
W,X,M,Y
W,X,M,Y
W,X,M,Y
W,X,M,Y
W,X,M,Y
750 VOLT AMPERES
750 VOLT AMPERES
750 VOLT AMPERES
750 VOLT AMPERES
750 VOLT AMPERES
20lbs
20lbs
20lbs
20lbs
20lbs
Specifications Subject to Change Without Notice.
35
TYPE DB
TYPE DA
36
GEC Durham Industries, Inc.
TYPE DF
INSTRUMENT VOLTAGE TRANSFORMER
600 VOLT CLASS
STANDARD FEATURES:
60 Hertz, 600 VAC, 10KV Bil.
Clear sealable secondary terminal cover
Pressure type secondary terminals
Certified test record with each transformer
Meet ANSI, NEMA AND EEI standards
TYPE DF 300 VOLT AMPERES WITH STUD SECONDARY TERMINALS
Stainless Steel Mounting Base Included
MODEL
PRIMARY
AMPS
DF1
DF2
DF2.4
DF2.5
DF4
120
240
288
300
480
SECONDARY
VOLTAGE
120
120
120
120
120
RATIO
1:1
2:1
2.4:1
2.5:1
4:1
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C CONTINUOUS
THERMAL
RATING
WEIGHT
1071
1072
1073
1074
1076
W
W
W
W
W
300 VOLT AMPERES
300 VOLT AMPERES
300 VOLT AMPERES
300 VOLT AMPERES
300 VOLT AMPERES
8lbs.
8lbs.
8lbs.
8lbs.
8lbs.
TYPE DF 300 VOLT AMPERES WITH PRESSURE SECONDARY TERMINALS
Stainless Steel Mounting Base Included
MODEL
PRIMARY
AMPS
DF1
DF2
DF2.4
DF2.5
DF4
120
240
288
300
480
SECONDARY
VOLTAGE
120
120
120
120
120
RATIO
CATALOG
NUMBER
BURDEN
0.3 ACCURACY
CLASS
30C CONTINUOUS
THERMAL
RATING
WEIGHT
1:1
2:1
2.4:1
2.5:1
4:1
1071P
1072P
1073P
1074P
1076P
W
W
W
W
W
300 VOLT AMPERES
300 VOLT AMPERES
300 VOLT AMPERES
300 VOLT AMPERES
300 VOLT AMPERES
8lbs.
8lbs.
8lbs.
8lbs.
8lbs.
Specifications Subject to Change Without Notice.
37
TYPE DF
38
GEC Durham Industries, Inc.
Transformer Brackets
ALC - 27A
CHANNEL
ALD - 21A
TOP HAT
Fig. 2
Fig. 1
ALT - 16A
ANGLE
Fig. 3
PART NO.
TOP HAT MOUNTING BRACKET
MATERIAL
ALD-12A
1 Position “Top Hat” Mounting Bracket
1/4'' x 3'' Aluminum
ALD-14A
2 Position “Top Hat” Mounting Bracket
1/4'' x 3'' Aluminum
ALD-21A
3 Position “Top Hat” Mounting Bracket
1/4'' x 3'' Aluminum
ALD-28A
4 Position “Top Hat” Mounting Bracket
1/4'' x 3'' Aluminum
ALD-34A
5 Position “Top Hat” Mounting Bracket
1/4'' x 3'' Aluminum
PART NO.
CHANNEL MOUNTING BRACKET
MATERIAL
ALC-10A
1 Position “Channel” Mounting Bracket
1/8'' Aluminum
ALC-20A
2 Position “Channel” Mounting Bracket
1/8'' Aluminum
ALC-27A
3 Position “Channel” Mounting Bracket
1/8'' Aluminum
ALC-33A
4 Position “Channel” Mounting Bracket
1/8'' Aluminum
ALC-40A
5 Position “Channel” Mounting Bracket
1/8'' Aluminum
PART NO.
CHANNEL MOUNTING BRACKET
MATERIAL
ALT-16A
3 Position “Angle” Mounting Bracket
Aluminum
39
TRANSFORMER
BRACKETS
40
CURRENT TRANFORMERS
Ratio---------:5
Type
Bar
Ratio---------:1
12" Length
14" Length
Window diameter in inches _____
Thermal Rating Factor @ 30⁰ C
1.0
2.0
2.0
0.5
4.0
0.9
1.8
No
Shorting Device
Switch
Base
300VA
750VA
Burden @ 0.3% Accuracy
Furnished with Cap (over terminals)
Yes
Continuous Thermal Rating Factor @ 30⁰ C
500VA
Burden @ 0.3% Accuracy
1.0
VOLTAGE TRANSFORMERS
W (12.5 VA)
X (25 VA)
M (35 VA)
Y (75 VA)
Clip
Furnished With Cap (over terminals)
Standard
None
Options
Contact factory for special options
Provision to add base (applies only to AP’s)
requested
Low Base
Aluminum
Stainless Steel
Terminals
Stud Type
Pressure Type (post)
NOTES:________________________________
______________________________________
______________________________________
______________________________________
______________________________________
______________________________________
______________________________________
Options
Conduit Box Furnished on unit
Extra Potential Lug (bar units)
Other, Contact Factory for Special Option
Requested
41
42
43
44
GEC Durham Industries, Inc.
Available Optional Features
Feature
Suffix on Catalog No.
Aluminum Long Base
Stainless Steel Low Base (Slotted)
Stainless Steel Low Base
Stainless Steel Long Base
Stainless Steel Extra Long Base
Angle Type Aluminum Mounting Brackets
(2) Potential Terminals
14-1/2" Bar Length
Special Bar Configurations
Non-metalic Conduit Box
Crucifrom Window
For Padmount Style Only
Without bus bar adapters
Ability to Mount a Base
Stainless Steel Base
Extended Rating Factors
Available on Models
L
MSR
M
LS
XLS
F
Q
C
X
TCW, TFW, TCB, TAB, AB
TCW, TFW, TCB, TAB, AB
TCW, TFW, TCB, TAB, AB
TCW, TFW, TCB, TAB, AB
AB
AD, ACL
TCB, TAB, AB
AB
AB
TCW, TFW, TCB, TAB, AB, AD, ACL
AD, ACL
W
GB
S
E
AP
AP
AP
AP
CROSS REFERENCE GUIDE
Current Transformers
TYPE
Transformer
Class
Astra
ABB
Associated
G.E.
Schlumberger
Miniature
Miniature
Miniature Bar
Miniature Bar
Intermediate
Large-Type I
Large-Type II
Pad Mount
TCW
TFW
TAB
TCB
AB
AD
ACL
AP
CSF
CSH
CBH
CBT
CMF
CLC/RLC
CLE
CMV
HA-678
HA-781
NA
NA
WEO-601
DEH-705
CEH-636
GM-713
JCR-O
JCW-O
JCM-O
JCT-O
JAK-O
JAD-O
JCD-O
JAB-O
R6SA
R6S
R6B
R6BA
R6M
R6L
NA
R6P
Voltage Transformers
TYPE
Transformer
Class
Astra
ABB
Associated
G.E.
Schlumberger
300 Volt Amps
500 Volt Amps
750 Volt Amps
DF
DB
DA
PPW
PPM
PPI
NA
CL-707
NA
NA
JVA-O
JVP-1
T5R
T6R
T7R5
45
GEC�Durham�Industries,�Inc.
www.gecdurham.com
ELIMINATOR
Extended�Range Transformers
Features:
Maintain�the�0.3% ANSI Accuracy�down�to�40%�instead�of�100%
Maintain�the�0.6% Accuracy�down�to�4%�instead�of�the ANSI�10%
Meter the�light�loads�with�greater accuracy
Eliminate�Billing�Multiplier errors
Eliminate�stocking�several�Ratio’s�of�CT’s�with�one�CT
All Astra Transformers�rated�for indoor or outdoor
NEW 200:5�CT’s!
Billing�Multiplier
Standard�40�on�200:5’s
AB21Y
Model
AB2Y
AB2Y
AB2Y
AB2Y
AB21Y
AB21Y
AB21Y
AB21Y
AB5Y
AB51Y
AB51Y
46
AB2Y
0.6%
0.3%
Accuracy Accuracy Rating
Rating
Class
Class
Catalog
Rated
Factor
Factor
Amps.
Ratio
30C
Number Burden Amps.
55C
200:5�������445YK��������0.2������������8-79��������80-800��������4.0������������3.0
200:5������445YKP
0.2������������8-79��������80-800��������4.0������������3.0
200:5�����445YKH�������0.2������������8-79��������80-800��������4.0������������3.0
200:5����445YKHP 0.2������������8-79��������80-800��������4.0������������3.0
200:5�������446YK��������0.2������������8-79��������80-800��������4.0������������3.0
200:5������446YKP
0.2������������8-79��������80-800��������4.0������������3.0
200:5�����446YKH�������0.2������������8-79��������80-800��������4.0������������3.0
200:5�����446KHP
0.2������������8-79��������80-800��������4.0������������3.0
500:5������120YKP
0.5����������20-199����200-2000������4.0������������3.0
500:5������276YKP
0.5����������20-199����200-2000������4.0������������3.0
500:5�����121YKP
0.5���������20-199����200-2000������4.0������������3.0
Specifications�subject�to�change�without�notice
Window
Drawing
Secondary
Bar
Fig.�#
Type Terminals CT Base
Window������Stud����������Low������������1
Window���Pressure�������Low������������1
Window������Stud���������High������������2
Window���Pressure������High������������2
Slotted�Bar
Stud����������Low�������������4
Slotted�Bar Pressure������Low
4
Slotted�Bar
Stud����������High������������5
Slotted�Bar Pressure������High������������5
Window����Pressure������Low�������������3
Slotted�Bar Pressure������Low
6
4�Hole�Bar Pressure�����Low�������������7
GEC�Durham�Industries,�Inc.
www.gecdurham.com
Padmount
Extended�Range Transformers
NEW 400:5�EXTENDED�RANGE�PADMOUNT CT
Our Standard�200:5,�300:5,�400:5,�500:5,�600:5,�1000:5,�1200:5,
1500:5,�2000:5,�3000:5�and�4000:5�units�retain�their Rating�Factors
at�the�High Temperatures�of�85�C
(1)�500:5 Astra�Padmount
Extended�Range�CT
Can�Eliminate
Stocking�Several�Standard�Padmount�CT’s
AP5Y
Model
AP2Y
AP4Y
AP5Y
AP15Y
Catalog
Number
Ratio
200:5������������601Y
400:5������������603Y
500:5������������604Y
1500:5������������609Y
0.6%
0.3%
Accuracy Accuracy
Class
Class
Amps.
Amps.
Rating
Rating
Rating
Drawing
Factor
Factor
Factor
Fig.�#
30C
55C
85C
0.1������������80-800�����������8-79���������������4.0����������������4.0���������������4.0�������������������8
0.2����������160-1600�������16-159�������������4.0����������������4.0���������������4.0�������������������8
0.5����������200-2000�������20-199�������������4.0����������������4.0���������������4.0�������������������8
0.5����������600-3000�������60-599�������������2.0����������������2.0���������������2.0�������������������8
Rated
Burden
Features:
Maintain�the�0.3% ANSI Accuracy�from�40%�to�400%�at�30C.
Maintain�the�0.6% Accuracy�down�to�4%�instead�of�the ANSI�10%
Meter the�light�loads�with�greater accuracy
Eliminate�Billing�Multiplier errors
Eliminate�stocking�several�Ratio’s�of�CT’s�with�one�CT
All Astra Transformers�rated�for indoor or outdoor
Large Type�1 Window
Extended�Range Transformers
Model
AD10Y
AD10Y
AD10Y
0.3%
0.6%
Accuracy Accuracy
Rated
Class
Class
Amps.
Burden Amps.
Rating Rating
Factor
Catalog
Factor Secondary Window Drawing
Fig.�#
30C
Ratio
Terminals
Size
55C
Number
1000:5�����562YMP
0.5���������400-4000�����40-399����������4.0��������������3.0����������Pressure�������5�5/8”������������9
1000:5������562YM����������0.5���������400-4000�����40-399����������4.0��������������3.0������������Stud�����������5�5/8”������������9
Specifications�subject�to�change�without�notice
47
GEC�Durham�Industries,�Inc.
www.gecdurham.com
Window Type
Figure�1
Figure�2
Figure�3
Bar Type
Figure�4
48
Figure�5
GEC�Durham�Industries,�Inc.
www.gecdurham.com
Bar Type
Figure�6
Figure�7
Large Type�1
Padmount Type
Figure�8
Figure�9
49