sinGle-Phase transformers
sinGle-Phase transformers
other transformers
www.meth.it
three-Phase
Single-phase transformers
with vertical connectors
TRANSFORMERS
Single-phase UL transformers class 2
Single-phase transformers
with fast-on terminals
AC/DC multi volgetages power supplier
16
METH s.a.s. reserves the right to make changes without notice
METH s.a.s. reserves the right to make changes without notice
17
three-Phase transformers
three-Phase transformers
three-phase industrial control transformers
Ul-csa marked up to 25 kVa
three-phase industrial control transformers
Ul-csa marked up to 25 kVa
T3TULF-T3TUL
T3TULF-T3TUL
General data
rated input voltage
100-600 V
rated output voltage
10-600 V
rated power
from 100 to 25000 VA
insulation class
class F
temperature class
class F
ambient temperature
Ta=40°C
Protection degree
IP 00
test voltage
4,2 KV/1’
terminals
terminal blocks or bars
Technical data T3TULF - T3TUL
CODE
APPROVALS
INSULATION CLASS
KVA
Applications
Three-phase transformers UL-CSA marked suitable for any industrial application.
T3TULF - T3TUL
UP TO 10 KVA
RATED POWER
In particular:
up to 5kVA: UL-CSA Listed marked
from 5kVA to 25kVA: UL-CSA – Recognized component marked
Construction is accordance with the following standards
Standards
Ul 5085 1 and 2 – low voltage transformers
csa 222 no 66
Certifications
T3TULF-0,1…
T3TULF-0,16…
T3TULF-0,25…
T3TULF-0,4…
T3TULF-0,5…
T3TULF-0,75…
T3TULF-1…
T3TULF-1,5…
T3TULF-2…
T3TULF-2,5…
T3TULF-3…
T3TULF-4…
T3TULF-5…
T3TUL-6…
T3TUL-7…
T3TUL-8…
T3TUL-9…
T3TUL-10…
T3TUL-15…
T3TUL-20…
T3TUL-25…
0,1
0,16
0,25
0,4
0,5
0,75
1
1,5
2
2,5
3
4
5
6
7
8
9
10
15
20
25
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
DIMENSIONS (mm)
WEIGHT
A
B
C
D
E
Kg
120
120
151
151
180
180
240
240
240
240
300
300
300
360
360
360
360
360
420
420
480
75
85
95
110
120
140
145
155
170
185
160
170
190
170
180
190
200
210
250
270
270
110
110
150
150
190
190
260
260
260
260
315
315
315
365
365
365
365
365
420
420
450
100
100
125
125
150
150
200
200
200
200
250
250
250
300
300
300
300
300
375
375
440
50
60
60
75
72
92
80
90
100
115
91
101
121
106
116
126
136
146
150
172
180
2,1
2,8
3,8
5,5
6,7
10,9
15
17,6
24,8
28,1
33
39
49
58
62
66
69
75
89
110
125
FIG.
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 2
(listed) file e169331 vol. 2-sec. 1-2
(recognized) file e169331 vol.1 sec. 2
insulation system : file 215141 vol.1
Electrical data
RATED POWER
T3TULF
T3TUL
11-25 KVA
B
C
B
C
T3TUL
E
D
E
A
fig. 1
18
METH s.a.s. reserves the right to make changes without notice
D
A
fig. 2
LOSSES (W)
EFFICIENCY 75°
Ucc %
INRUSH CURRENT
KVA
no-load
load (75°C)
total
%
Ucc X
Ucc R 75°
Ucc tot
x In
0,1
0,16
0,25
0,4
0,5
0,75
1
1,5
2
2,5
3
4
5
6
7
8
9
10
15
20
25
5
6,5
7,5
11,5
15
22,5
25,8
30
37,5
46
47
58
76
84
100
110
122
135
192
140
160
15
19,5
24
38
26,5
30
42
64,5
102
114
129
186
169
300
285
355
384
387
440
570
720
20
26
31,5
49,5
41,5
52,5
67,8
94,5
139,5
160
176
244
245
384
385
465
506
522
632
710
880
83
85,8
88,4
88,6
92,2
93,3
93,6
93,9
93,4
93,9
94,3
94,2
95,3
94
94,7
94,5
94,7
95,06
96,22
96,78
96,6
1,46
1,7
1,68
2,77
4,3
3,17
2,6
2,88
13,5
10,9
9
8,8
5,1
3,9
4
4,2
4,8
4,4
4,2
4,5
3,4
5,2
4,4
4,5
4,3
4,55
3,6
3,1
4
24
25
26
28
28
29
20
18
18
16
16
16
18
15
17
16
16
16
18
19
18
METH s.a.s. reserves the right to make changes without notice
19
three-Phase transformers
three-Phase transformers
low-voltage three-phase isolating
and safety transformers up to 40kVa
low-voltage three-phase isolating
and safety transformers up to 40kVa
T3T
T3T
General data
rated input voltage
100-600 V
rated output voltage
24-600 V
up to 25 k VA (safety transformers)
rated power
T3T
UP TO 10 KVA
Technical data T3T
up to 40 kVA (isolating transformers)
CODE
insulation class
class F
temperature class
class F
ambient temperature
Ta=40°C
Protection degree
IP 00
standard vector group
Dyn11 (others upon request)
test voltage
4,2 KV/1’
terminals
terminal blocks or bars
RATED POWER
INSULATION CLASS
KVA
Applications
Three-phase transformers suitable for any industrial application where it is required
the separation between the load and the net. Construction is accordance with the
following standards
Standards
cei-en 61558; p. 2-4 – isolating transformers
cei-en 61558; p. 2-6 – safety transformers
iec 61558; 2-4; 2-6
T3T-0,1…
T3T-0,16…
T3T-0,25…
T3T-0,4…
T3T-0,5…
T3T-0,75…
T3T-1…
T3T-1,5…
T3T-2…
T3T-2,5…
T3T-3…
T3T-4…
T3T-5…
T3T-6…
T3T-7…
T3T-8…
T3T-9…
T3T-10…
T3T-15…
T3T-20…
T3T-25…
T3T-30…
T3T-40…
0,1
0,16
0,25
0,4
0,5
0,75
1
1,5
2
2,5
3
4
5
6
7
8
9
10
15
20
25
30
40
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
DIMENSIONS (mm)
WEIGHT
A
B
C
D
E
Kg
120
120
151
151
180
180
240
240
240
240
300
300
300
360
360
360
360
360
420
420
480
480
480
75
85
95
110
120
140
145
155
170
185
160
170
190
170
180
190
200
210
250
270
270
280
315
110
110
150
150
190
190
260
260
260
260
315
315
315
365
365
365
365
365
420
420
450
450
450
100
100
125
125
150
150
200
200
200
200
250
250
250
300
300
300
300
300
375
375
440
440
440
50
60
60
75
72
92
80
90
100
115
91
101
121
106
116
126
136
146
150
172
180
190
220
2,1
2,8
3,8
5,5
6,7
10,9
15
17,6
24,8
28,1
33
39
49
58
62
66
69
75
89
110
125
145
178
FIG.
BOX
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
…-1
…-1
…-1
…-2
…-2
…-2
…-2
…-2
..-3
…-3
…-4
…-4
…-4
Electrical data
RATED POWER
T3T
11-40 KVA
B
C
B
C
STEEL ENCLOSURE
for three-phase transformers
pag. 32
E
D
E
A
fig. 1
20
METH s.a.s. reserves the right to make changes without notice
D
A
fig. 2
LOSSES (W)
EFFICIENCY 75°
Ucc %
INRUSH CURRENT
KVA
no-load
load (75°C)
total
%
Ucc X
Ucc R 75°
Ucc tot
x In
0,1
0,16
0,25
0,4
0,5
0,75
1
1,5
2
2,5
3
4
5
6
7
8
9
10
15
20
25
30
40
5
6,5
7,5
11,5
15
22,5
25,8
30
37,5
46
47
58
76
84
100
110
122
135
192
140
160
190
235
15
19,5
24
38
26,5
30
42
64,5
102
114
129
186
169
300
285
355
384
387
440
570
720
800
950
20
26
31,5
49,5
41,5
52,5
67,8
94,5
139,5
160
176
244
245
384
385
465
506
522
632
710
880
990
1185
83
85,8
88,4
88,6
92,2
93,3
93,6
93,9
93,4
93,9
94,3
94,2
95,3
94
94,7
94,5
94,7
95,06
96,22
96,78
96,6
96,81
97,12
1,46
1,7
1,68
2,77
2,18
1,98
4,3
3,17
2,6
2,88
2,67
2,38
13,5
10,9
9
8,8
5,1
3,9
4
4,2
4,8
4,4
4,2
4,5
3,4
5,2
4,4
4,5
4,3
4,55
3,6
3,1
4
3,45
3,1
24
25
26
24
22
25
20
18
17
15
15
15
16
14
15
15
15
16
16
16
18
17
15
METH s.a.s. reserves the right to make changes without notice
21
three-Phase transformers
three-Phase transformers
low-voltage dry-type three-phase
power transformers up to 630kVa
low-voltage dry-type three-phase
power transformers up to 630kVa
T3T
T3T
General data
rated input voltage
up to 1000 V
rated output voltage
up to 1000 V
rated power
41 to 630 kVA
insulation class
class F
temperature class
class F
ambient temperature
Ta=40°C
Protection degree
IP 00
standard vector group
Dyn11 (others upon request)
test voltage
3 KV/1’
terminals
terminal blocks or bars
Technical data T3T
CODE
KVA
Applications
T3T
UP TO 80 KVA
RATED POWER INSULATION CLASS
Three-phase transformers suitable for any industrial application where it is required
the isolation or voltage variation between the load and the net. Construction is
accordance with the following standards
50
60
80
100
125
160
200
250
315
400
500
630
T3T-50…
T3T-60…
T3T-80…
T3T-100…
T3T-125…
T3T-160…
T3T-200…
T3T-250…
T3T-315…
T3T-400…
T3T-500…
T3T-630…
F
F
F
F
F
F
F
F
F
F
F
F
DIMENSIONS (mm)
WEIGHT
A
B
C
D
E
Kg
600
600
600
600
720
720
720
720
720
960
960
960
350
360
390
420
420
460
480
510
550
630
680
730
600
600
600
600
740
740
740
740
740
920
920
920
540
540
540
540
660
660
660
660
660
-
250
260
290
320
300
340
360
380
430
-
220
230
280
330
390
510
570
660
780
1090
1335
1575
FIG.
BOX
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
…-5
…-5
…-5
…-5
…-6
…-6
…-6
…-6
…-6
…-7
…-7
…-7
Standards
cei-en 60076
iec 60076
Upon request
The transformers could be customized with different voltages, regulations, taps,
different enclosures, wheels for movement, vibration absorbers, electrostatic screen
between primary and secondary, temperature control unit with 3PT100 probes
inserted
Electrical data
RATED POWER
T3T
81-630 KVA
B
C
B
STEEL ENCLOSURE
for three-phase transformers
pag. 32
E
D
E
A
fig. 1
22
METH s.a.s. reserves the right to make changes without notice
C
D
LOSSES (W)
EFFICIENCY 75°
Ucc %
INRUSH CURRENT
KVA
no-load
load (75°C)
total
%
Ucc X
Ucc R 75°
Ucc tot
x In
50
60
80
100
125
160
200
250
315
400
500
630
245
265
340
430
400
520
560
670
840
1120
1340
1650
1300
1600
1900
2200
2400
2800
3100
3500
4000
5060
5565
6780
1545
1865
2240
2630
2800
3320
3660
4170
4840
6180
6905
8430
97
96,99
97,28
97,44
97,81
97,97
98,2
98,36
98,49
98,5
98,6
98,7
4,32
4,4
4,39
3,75
4,23
3,03
3,46
3,47
3,52
6,37
5,34
4,86
2,6
2,67
2,38
2,2
1,92
1,75
1,55
1,4
1,27
1,27
1,12
1,08
5,05
5,15
5
4,35
4,65
3,5
6,8
3,75
3,75
6,5
5,5
5
18
15
15
16
14
14
14
13
14
15
15
16
A
fig. 2
METH s.a.s. reserves the right to make changes without notice
23
three-Phase transformers
three-Phase transformers
low-voltage dry-type three-phase power transformers
with protection degree iP55
loW-losses three-phase slim-line transformers
eco desiGn
T3X
T3SL
General data
General data
rated input voltage
up to 1000 V
standard input voltage
230 V
rated output voltage
up to 1000 V
standard output voltage
400 V
rated power
10 to 200 kVA
rated power
from 6,3 to 30 kVA
insulation class
class F
insulation class
class F
temperature class
class F
temperature class
class B
ambient temperature
Ta=40°C
standard ambient temperature
Ta=40°C
Protection degree
with enclosure IP55
Protection degree
IP20
standard vector group
Dyn11 (others upon request)
standard vector group
YNd11 (others upon request)
test voltage
3 KV/1’
inrush current
≤10 x In
terminals
terminal blocks or bars
test voltage
4,2 KV/1’
terminals
terminal blocks
Applications
Three-phase transformers suitable for any industrial application where the protection
T3X
Applications
T3SL
degree IP55 is required. The enclosure is pre-galvanized steel painted with polyester
Three-phase transformers designed for maximum utilization of the transformer design.
resin for external
They have very low losses and inrush current, high efficiency and very compact
construction in order to save space and reduce energy consumption
Standards
cei-en 60076
Standards
iec 60076
en 61558, p.2-4 and directive 2009/125/ec
C
for higher power please contact meth
A
B
C
Technical data T3X
CODE
Electrical data
RATED POWER INSULATION CLASS
KVA
T3X-10…
T3X-15…
T3X-20…
T3X-25…
T3X-30…
T3X-40…
T3X-50…
T3X-60…
T3X-80…
T3X-100…
T3X-125…
T3X-160…
T3X-200…
24
10
15
20
25
30
40
50
60
80
100
125
160
200
F
F
F
F
F
F
F
F
F
F
F
F
F
DIMENSIONS (mm)
WEIGHT
A
B
C
Kg
750
750
850
850
850
1000
1000
1000
1000
1200
1200
1200
1200
650
650
700
700
700
850
850
850
850
1000
1000
1000
1000
850
850
950
950
950
1100
1100
1100
1100
1300
1300
1300
1360
200
220
240
270
290
320
345
380
460
610
680
770
990
METH s.a.s. reserves the right to make changes without notice
LOSSES (W)
no-load load (75°C)
150
170
190
250
280
300
350
420
500
550
600
700
900
200
280
350
410
460
650
850
1000
1250
1300
1500
1800
2000
EFFICIENCY 75° Ucc X Ucc R 75° Ucc tot INRUSH CURRENT
total
%
%
%
%
x In
350
450
540
660
740
950
1200
1420
1750
1850
2100
2500
2900
96,6
97
97,3
97,4
97,5
97,6
97,6
97,6
97,8
98,1
98,3
98,4
98,5
1,67
1,16
1,65
1,32
1,28
2,99
2,72
2,25
2,2
2,14
2,08
2,24
2,19
2
1,87
1,75
1,64
1,54
1,63
1,7
1,67
1,57
1,3
1,2
1,13
1
2,6
2,2
2,4
2,1
2
3,4
3,2
2,8
2,7
2,5
2,4
2,5
2,4
21
19
20
17
18
15
14
14
13
11
10
10
9
A
B
Technical data T3SL
CODE
T3SL-6,3…
T3SL-10…
T3SL-12,5…
T3SL-16…
T3SL-18…
T3SL-20…
T3SL-25…
T3SL-30…
Electrical data
RATED POWER
DIMENSIONS (mm)
WEIGHT
KVA
A
B
C
Kg
6,3
10
12,5
16
18
20
25
30
640
640
640
640
640
790
790
790
220
220
220
220
220
240
240
240
800
800
800
800
800
1050
1050
1050
115
135
150
175
195
205
230
245
LOSSES (W)
no-load load (75°C)
31
40
48
64
64
60
83
88
153
240
295
315
385
514
495
620
I sec
EFFICIENCY 75°
Ucc X
A
%
%
Ucc R 75° INRUSH CURRENT
%
x In
9,1
14,4
18,1
23,1
26
29
36,1
43,3
97,1
97,2
97,3
97,7
97,8
97,2
97,7
97,7
2,72
3,48
2,14
1,77
2,56
4,54
3,64
3,7
2,8
2,73
2,7
2,3
2,2
2,9
2,3
2,3
7
7
9
10
9
7
8
8
METH s.a.s. reserves the right to make changes without notice
25
three-Phase transformers
three-Phase transformers
low-voltage isolating three-phase transformers
for “renewable energies” class B
isolating three-phase transformers
for “renewable energies” class B
T3T-FTV
T3T-FTV
B
C
C
B
General data
T3T-FTV
UP TO 60 KVA
standard input voltage
400 V
standard output voltage
400 V
rated power
from 10 to 250 kVA
insulation class
class F
temperature class
class B
standard ambient temperature
Ta=40°C
Protection degree
IP 00
standard vector group
YNyn0 (others upon request)
test voltage
3 KV/1’
terminals
terminal blocks or bars
iP21 - iP23 or iP55 protection degree available. See pag. 32
Applications
Three-phase transformers with low losses and high performance suitable for
galvanic separation in photovoltaic plants or other renewable energies. Construction
is accordance with the following standards
Standards
cei-en 60076
iec 60076
E
D
fig. 1
STEEL ENCLOSURE
for three-phase transformers
pag. 32
26
METH s.a.s. reserves the right to make changes without notice
D
A
fig. 2
Technical data T3T-FTV
CODE
RATED POWER INSULATION CLASS
KVA
T3T10FTV
T3T15FTV
T3T20FTV
T3T25FTV
T3T30FTV
T3T40FTV
T3T50FTV
T3T60FTV
T3T70FTV
T3T80FTV
T3T90FTV
T3T100FTV
T3T125FTV
T3T135FTV
T3T150FTV
T3T170FTV
T3T200FTV
T3T250FTV
10
15
20
25
30
40
50
60
70
80
90
100
125
135
150
170
200
250
Electrical data T3T-FTV
61-250 KVA
E
A
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
DIMENSIONS (mm)
WEIGHT
A
B
C
D
E
Kg
420
420
480
480
480
600
600
600
600
600
600
720
720
720
720
720
720
720
210
240
260
280
300
350
360
380
390
420
450
420
430
440
460
480
500
550
390
390
450
450
450
600
600
600
600
600
600
740
740
740
740
740
740
740
375
375
440
440
440
540
540
540
540
540
540
660
660
660
660
660
660
660
160
190
200
220
240
250
260
280
290
320
350
300
310
320
340
360
380
430
90
120
140
160
190
220
230
260
280
330
390
390
425
465
510
565
640
775
FIG.
BOX
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
fig. 2
…-3
…-3
…-4
…-4
…-4
…-5
…-5
…-5
…-5
…-5
…-5
…-6
…-6
…-6
…-6
…-6
…-6
…-6
Data reffered to 400/400 V
RATED POWER
EFFICIENCY
Ucc
INRUSH CURRENT
KVA
no-load
LOSSES (W)
load (75°C)
total
%
%
x In
10
15
20
25
30
40
50
60
70
80
90
100
125
135
150
170
200
250
80
105
130
150
180
175
190
225
240
290
360
380
430
455
510
565
655
815
345
415
530
655
680
1060
1285
115
1335
15005
1360
1780
2080
2220
2140
2390
2470
2970
425
520
660
805
860
1235
1475
340
1575
15295
1720
2160
2510
2675
2650
2955
3125
3785
95,94
96,66
96,84
96,89
97,23
97,01
97,15
97,76
97,8
97,81
98,13
97,89
98,04
98,06
98,27
98,29
98,46
98,51
3,66
3,13
3,37
3,29
2,88
5,78
4,09
3,29
3,4
3,22
2,63
4,04
4,14
4,18
3,54
3,31
3,23
2,79
17
16
15
15
15
14
12
13
12
14
15
12
10
10
10
9
9
10
METH s.a.s. reserves the right to make changes without notice
27
three-Phase
aUtotransformers
three-Phase transformers
low-voltage three-phase autotransformers
AT3
REACTORS
General data
Meth sas manufactures a wide range of single- and three-phase reactors.
Three-phase autotransformers are electrical machine with one single common wiring
where primary and secondary are not galvanically separated. They have smaller
construction compared to the same isolating transformers.
Typical applications are speed control for Fans, Starting of big three-phase Electric
Motors, ...
Autotransformers do not protect from earth failure. Their special feature is that the
nearer are the values of the input and output voltage, the more cost effective are
Autotransformers.
The sizing power could be calculated by the following formula:
AT3
Pa = Pnom (1-
V1
)
V2
main aPPlications of reactors
R3F
three-Phase Pfc filter reactors
The insertion of capacitors banks in presence of
harmonics causes a current absorption harmful for
life time of capacitors.
Reactors connected in series with the capacitors
guarantee:
•Reduction of harmonics
•Reduction of current and consequent reduction
of capacitor overheating
•Increase of capacitors life time
where:
Pa = power (Va)
Pnom = rated power (Va)
V1 = low voltage (V)
V2 = high voltage(V)
Example:
Pnom = 100 kVa
V1 = 480 V
V2 = 380 V
Pa = 100 x (1-
380
480
) = 21 kVa
It is clear that autotransformers should be calculated and designed every time,
A1
B2
Drive
Motor
C1
C2
• Windings in copper wire class 200°C or Alluminium
• Windings in copper wire class 200°C
• Magnetic cores from steel with reduced losses and necessary cuts.
• Double impregnation with Polyester resin for safety fixing and with oven dried
varnish for protection against external agents.
A1
• Terminals: up to 20A with terminal
boardA2IP20 – up to 90A, with lug terminals,
Drive
Motor
over 90A with copper
B1
B2
• Insulation system approved by UL-CSA class F – File E215141
C1
C2
• EN 61558 , p.2-20
• IEC 61558
• UL 5085, p.1-2
A1
determine the correct electrical sizing.
B1
A1
C1
B1
A2
CAP 1
B2
A2
C2
B2
C1
C2
Drive
Motor
CAP 2
CAP 3
cei-en 61558; p. 2-13
With R3L choke
A1
METH s.a.s. reserves the right to make changes without notice
Inverter Drives not only can damage the motor.
Harmonics can penetrate into the electrical net
and cause some problems to other electronic or
electrical equipment.
Installing a choke between the drive and the
electrical net allows to:
•Reduce the harmonics, improving waveform
linearity
•Reduce interferences in the electrical net
•Increase the life time of semiconductors
reactors constrUction and materials
Standards
28
Inverter Drives produce big quantity of harmful
harmonics, which can damage of motor insulation
and shorten its life time.
Installing a choke between the drive and the motor
allows to:
•Reduce the harmonics, improving waveform
linearity
•Increase the life time of semiconductors
•Reduce the motor operating temperature
•Reduce the audible equipment noise
•Limit the short circuit current
R3L/R
three-Phase smoothinG reactors
for VariaBle sPeed driVes
(Grid side)
A2
B1
based on customer requests, since the input and output voltages are critical to
www.meth.it
R3L/M
three-Phase smoothinG reactors
for VariaBle sPeed driVes
(motor side)
Drive
Without R3L reactor
A2
B1
B2
C1
C2
Motor
CAP 1
A1
A1 A2
A2
B1
B1
B2
B2
C1
C1 C2
C2
DriveCAP
2
Motor
CAP 3
METH s.a.s. reserves the right to make changes without notice
29
reactors
reactors
three-phase filter reactors
three-phase reactors
R3F
R3L/M-R3L/R
B
B
B
C
C
C
E
E
D
D
A
fig. 1
E
D
A
fig. 2
A
fig. 3
MOTOR SIDE ∆V 2% Isat = 1,5 In 400V 50Hz
Electrical data R3F
CODE
R3F7/2,5
R3F14/2,5
R3F5/2,5
RATED
POWER
Electrical data R3L/M
Technical data
RATED
RATED
VOLTAGE FREQUENCY
kVAR
V
Hz
2,5
5
10
12,5
15
20
25
30
50
60
75
100
2,5
5
10
12,5
15
20
25
30
50
60
75
100
2,5
5
10
12,5
15
20
25
30
50
60
75
100
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
P
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
14%
14%
14%
14%
14%
14%
14%
14%
14%
14%
14%
14%
5,67%
5,67%
5,67%
5,67%
5,67%
5,67%
5,67%
5,67%
5,67%
5,67%
5,67%
5,67%
BLOCKING
INDUCTANCE
FREQUENCY
RATED
CURRENT
DIMENSIONS (mm)
WEIGHT
Hz
mH
A
A
B
C
Kg
189
189
189
189
189
189
189
189
189
189
189
189
134
134
134
134
134
134
134
134
134
134
134
134
210
210
210
210
210
210
210
210
210
210
210
210
14,258
7,129
3,564
2,852
2,376
1,782
1,426
1,188
0,713
0,594
0,475
0,356
28,364
14,182
7,091
5,673
4,727
3,545
2,836
2,364
1,418
1,182
0,945
0,709
11,549
5,774
2,887
2,31
1,925
1,444
1,155
0,962
0,577
0,481
0,385
0,289
4,1
8,3
16,6
20,7
24,9
33,2
41,5
49,8
83
99,5
124,4
165,9
4,1
8,3
16,6
20,7
24,9
33,2
41,5
49,8
83
99,5
124,4
165,9
4,1
8,3
16,6
20,7
24,9
33,2
41,5
49,8
83
99,5
124,4
165,9
150
180
180
180
240
240
240
240
300
300
360
360
180
180
240
240
240
300
300
300
360
360
420
420
150
150
180
180
180
240
240
240
300
300
300
360
80
90
110
120
120
130
140
155
160
180
180
200
90
110
130
140
155
150
160
170
200
210
220
240
80
105
100
110
120
120
130
140
150
160
170
180
130
160
160
160
210
210
210
210
260
260
310
310
160
160
210
210
210
260
260
260
310
310
370
370
130
130
160
160
160
210
210
220
260
260
260
310
4
6
10
12
14
15
18
22
28
39
44
59
6
10
15
18
22
25
30
34
57
64
67
90
4
5,8
8
10
12
13
15
17
24
29
35
49
CONDUCTOR
Cu
Cu
Cu
Cu
Al
Al
Al
Al
Al
Al
Al
Al
Cu
Cu
Al
Al
Al
Al
Al
Al
Al
Al
Al
Al
Cu
Cu
Cu
Cu
Cu
Al
Al
Al
Al
Al
Al
Al
FIG.
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 3
fig. 3
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 3
fig. 3
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 3
fig. 3
CODE
R3L/15-M
R3L/20-M
R3L/30-M
R3L/50-M
R3L/75-M
R3L/100-M
R3L/125-M
R3L/150-M
R3L/200-M
R3L/250-M
R3L/300-M
R3L/350-M
R3L/400-M
R3L/500-M
Technical data
RATED
VOLTAGE
cdt
INDUCTANCE
RATED
CURRENT
V
%
mH
A
400
400
400
400
400
400
400
400
400
400
400
400
400
400
2
2
2
2
2
2
2
2
2
2
2
2
2
2
0,981
0,735
0,49
0,294
0,196
0,147
0,118
0,098
0,074
0,059
0,049
0,042
0,037
0,029
15
20
30
50
75
100
125
150
200
250
300
350
400
500
Isat/In
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
DIMENSIONS (mm)
WEIGHT
CONDUCTOR
FIG.
4
5
6
8
10
12
14
16
19
24
28
29
34
42
Cu
Cu
Cu
Al
Al
Al
Al
Al
Al
Al
Al
Al
Al
Al
fig. 1
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 2
fig. 3
fig. 3
fig. 3
fig. 3
fig. 3
fig. 3
fig. 3
WEIGHT
CONDUCTOR
FIG.
Cu
Cu
Cu
Al
Al
Al
Al
Al
Al
Al
Al
Al
Al
Al
fig. 1
fig. 1
fig. 1
fig. 1
fig. 2
fig. 2
fig. 2
fig. 2
fig. 3
fig. 3
fig. 3
fig. 3
fig. 3
fig. 3
A
B
C
Kg
150
150
180
180
180
240
240
240
240
300
300
300
300
360
60
65
60
70
80
80
90
100
110
100
110
120
130
130
138
138
165
165
165
165
220
220
220
280
280
280
280
330
GRID SIDE ∆V 2% Isat = 1,5 In 400V 50Hz
Electrical data R3L/R
CODE
R3L/15-R
R3L/20-R
R3L/30-R
R3L/50-R
R3L/75-R
R3L/100-R
R3L/125-R
R3L/150-R
R3L/200-R
R3L/250-R
R3L/300-R
R3L/350-R
R3L/400-R
R3L/500-R
Technical data
RATED
CURRENT
RATED
VOLTAGE
cdt
V
%
mH
A
400
400
400
400
400
400
400
400
400
400
400
400
400
400
4
4
4
4
4
4
4
4
4
4
4
4
4
4
1,961
1,471
0,981
0,588
0,392
0,294
0,235
0,196
0,147
0,118
0,098
0,084
0,074
0,059
15
20
30
50
75
100
125
150
200
250
300
350
400
500
INDUCTANCE
Isat/In
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
1,5
DIMENSIONS (mm)
A
B
C
Kg
180
180
180
240
240
240
300
300
300
300
360
360
360
360
90
100
110
120
130
140
150
160
170
180
190
200
230
240
155
155
155
210
210
210
260
260
260
260
310
310
350
350
6
8
10
12
15
18
24
29
34
40
49
57
62
68
reactors with isat=2 in or isat=3 in are also available. Please contact meth.
30
METH s.a.s. reserves the right to make changes without notice
METH s.a.s. reserves the right to make changes without notice
31
BoX
technical
sinGle-Phase transformers
technical notes
NOTES
steel enclosUre for three-Phase transformers
Indications: the following
Technical data
C
A
B
BOX 1-2
BOX-3
BOX-4
BOX-5
BOX-6
BOX-7
DIMENSIONS (mm)
WEIGHT
A
B
C
Kg
580
640
740
860
1100
1600
500
550
650
750
950
1000
500
560
700
820
1040
1400
40
50
60
90
110
150
summarize here the main definitions set down in EN 61558.1 and part 2 standard. Other standards which we refer to are: CEI
14-5, 14-8, EN 60076-1 (power transformers), UL 5085-1-2-3.
Transformers
isolating transformer: suitable for limiting risks caused by contact between the earth and the live parts that can give an electric
shock if the isolation is broken or damaged.
Primary voltage: 1000V max - Secondary voltage: 500V no-load - Frequency: 500Hz max –Rated power: 25kVA if singlephase, max. 40kVA if three-phase. Type of isolating: double or reinforced.
IP23
Charateristics
-
5/10 pre-galvanized steel painted with polyester resin
eye bolts for lifting. From size 23-3 also bottom housing for fork lift or trans pallet lifting
2 output plastic cable glands on the same side
enclosure color: RAL7032
www.meth.it
CODE
technical information are a guideline for the correct use of transformers in various voltage fields.
The differences in the construction of the transformers are determined by the installation and equipment requirements. We
safety transformer: isolating transformer suitable for feed circuits of low safety voltage. Primary voltage: 1000V max - Secondary voltage: 50V max. no-load - frequency 500Hz – Rated power: 10kVA if single-phase , max. 16kVA if three-phase. Type of
isolating: double or reinforced.
Protection Class: the equipment has built-in safety to protect against dangerous electrical currents.
class i: all the metallic parts accessible from the transformer are insulated from the voltage parts by basic insulation and added
Technical data
CODE
C
B
A
BOX21-1
BOX21-2
BOX21-3
BOX21-4
BOX21-5
BOX21-6
safety measures consisting of a safety conductor within the electrical system of the installation.
DIMENSIONS (mm)
WEIGHT
A
B
C
Kg
400
530
640
700
800
1040
410
480
520
540
700
1000
550
580
650
650
800
1150
25
30
35
45
55
80
class ii: all the metallic parts accessible from the transformers are separated from the voltage parts with double or reinforced
isolating. The transformer must not be connected to the earth.
Insulation Class: normal types of insulation materials:
A (105 ° C) -E (120 ° C) -B (130 ° C) -F (155 ° C) -H (180 ° C)
Rated Ambient Temperature: this is the temperature surrounding the transformer. If not otherwise specified, the rated
ambient temperature is 40°C. Particular care should be taken when the temperature is higher. It should not exceed the values
laid down in the table below. The core power must be adapted to approximately the values given below:
IP21
Charateristics
-
epoxy resin painted steel
internal eye bolts or bottom housing for fork lift or trans pallet lifting
2 output plastic cable glands on the same side
enclosure color: RAL7032
Technical data
CODE
C
BOX54-A
BOX54-B
BOX54-C
BOX54-D
Charateristics
WEIGHT
B
C
Kg
750
850
1000
1200
650
700
850
1000
850
950
1100
1300
65
75
90
110
METH s.a.s. reserves the right to make changes without notice
1
50 ° C
0.92
60 ° C
0.84
70 ° C
0.75
Over-temperature: this is the temperature which is verified in the transformer when it is working normally. In particular, in
the windings, depending on the type of isolating materials and the rated ambient temperature, the following values must not be
exceeded:
Maximum excessive temperatures for winding with ta=40°C
A=60 °C - E=75 °C - B=80 °C - F=100 °C - H=125 ° C
-
pre-galvanized steel painted with polyester resin for external
eye bolts for lifting
2 output plastic cable glands on the same side
enclosure color: RAL7035
note: enclosures iP21 and iP55 available upon request. minimum order quantities may apply.
32
Rated power x factor
40 ° C
A
B
IP55
DIMENSIONS (mm)
A
Rated Ambient Temperature
Rated Input Voltage: network voltage feed of the transformer. Unless otherwise agreed, the maximum limit displayed is a
value of 1.1 times the rated input voltage, as long as it does not cause damage to the continuous running of the transformer.
METH s.a.s. reserves the right to make changes without notice
33
technical notes
technical notes
No-load Current: this is the input current of the no-load transformer with rated input voltage and frequency. The value of the no-load current is mainly
• Transformer short-circuit proof with specific construction: this is a transformer which comes with a protective device inside which opens the primary
effected by the properties of the used magnetic core laminations and can oscillate, even between transformers from the same production due to practical
or secondary circuit or reduces the current in case of short circuit (e.g. PTC, bi-metal).
effects. An oscillation of - 10%/+20% with respect to the rated value is acceptable.
• Transformer short-circuit proof not with specific construction: this is a transformer which, in the absence of protective devices, in case of short circuit,
does not exceed the temperature limits (e.g. small transformer with high internal resistance).
Input Winding (Primary): particular attention should be paid if, rather than only one input voltage, additional voltage inputs are required. In this case
• Fail-safe transformer: this is a transformer which after abnormal use, stops working without placing the user at risk
an increase of the core power is necessary. For example:
(e.g. transformer with thermo-fuse included).
Input voltage
Rated power x factor= scaling of the core power
1 section
2 sections
230
1
1
230+400
1.23
1.52
230+500
1.26
1.49
400+440
1.06
1.12
400+440+500
1.12
1.25
De-rating Tables: the working conditions of rated power (Pn) are referred to the following parameters:
• Continuos service
• Frequency: 50Hz…60Hz
• Protection degree: IP00
• Installation up to 1000m a.s.l.
• Ambient temperature: ta=40°C
Other conditions are allowed according to the following tables:
Rated Output Voltage: this is the output voltage of the transformer at rated frequency, rated input voltage, with a rated output current at a rated power
factor (=1). This is obtained when the transformer is running in continuous service conditions with a rated ambient temperature. If not otherwise agreed, a
tolerance of ±5% is acceptable. For short-circuit proof transformers it is ±10% for construction.
No-load Voltage: this is the secondary voltage of the transformer in no-load conditions, at primary voltage and rated frequency. This formula can be
found starting from:
voltage drop % =
No-load voltage – rated secondary
voltage
No-load voltage
x 100
EN 61558.1 standard gives the following values for isolation and safety of transformers:
Nominal % differences between secondary no-load and loaded voltage:
up to 10 VA
100
from 10VA to 25 VA
50
over 25 VA to 63 VA
20
over 63 VA to 250 VA
15
over 250 VA to 630 VA
10
over 630 VA
5
Note: for insulating transformers up to 63VA:20%
ALTITUDE:
y= % Pn
1,05
1
0,95
0,9
0,85
0,8
0,75
1 2 3 4 5 6
x=installation altitude (x 1000m a.s.l.)
AMBIENT TEMPERATURE:
y= % Pn
1,5
For control transformers in accordance with
EN 61558.1 part CEI 96-3 standard the max.
difference is 10%
Output Winding: it means that in case of derivation output, the current is calculated in reference to the highest voltage, if not differently specified. In case
1
0,5
0
0 10 20 30 40 50 60 70 80 x=ambient temperature in °C
of more windings, due to the quantity of isolation, it could be necessary to increase the core power.
Rated Power: this is the product of the rated secondary voltage for the rated secondary current. For three-phase transformers it is √3 times the product
of the rated secondary voltage for the rated secondary current. For more secondary windings it is the sum of the product of rated secondary voltage for the
rated secondary current of the circuits charged simultaneously.
Note: tables are in general. Upon request can be provided tables for the various types of transformers
Intermittent Service: the required power could be calculated for different intermettent services starting from the following parameters:
• rated power (Pn)
Autotransformer: this is a transformer with common input and output windings, without galvanic isolation between the windings. The relative power is
• working time (Ton)
given by the formula:
• resting time (Toff)
Papp= Pnom
V
(1- 1 )
V2
where Papp= power (VA) - Pnom= rated power (VA) - V1= low voltage (V) e V2= high voltage(V)
Short Circuit Resistance: here is the classification that the standard EN 61558.1 applies to short circuit proof transformers:
a) Transformer not inerenthly short-circuit proof: this is a transformer in which has been designed to resist extreme temperatures using a external protective
device not supplied with the transformer (e.g. external fuses).
Intermittent rated power Pint
Ton
x 1,1
Pint = Pnx√
Ton + Toff
For example: rated load = 500VA
Ton = 10’
Toff = 20’
Pint = 500 x√ 10 x 1,1
10+20
b) Short-circuit proof Transformer: this is a transformer in which the over- temperature can not exceed the limits specified when the transformer is short circuited,
and can function normally after the removal of the short circuit.
34
METH s.a.s. reserves the right to make changes without notice
350VA transformer is enough.
METH s.a.s. reserves the right to make changes without notice
35
technical notes
Protection Devices: as general rule the transformer should be protected against short-circuits on the primary, against over-loads on the secondary. In
both cases with delaying fuses (T) or with magneto-thermal switches with delayed tripping curve. Secondary protection calculation (against over-load) has
not problems: EN 61558-1 standards provide a tolerance of ±10%on the rated secondary current and in any case on the external label it is indicated the
fuse dimension. The primary protection calculation (against the short-circuit) is more difficult. It should be noted that a current peak (Ie) is generated at insertion
moment which is 20-30 times In for about 10ms without protection that will occur in case of short-circuit.
It is necessary to know the short-circuit current, considering also the farthest point of the line transformer-user.
Known data:
V2= transformer output voltage
Vcc= short-circuit voltage in % (see catalogue)
notes
Pn= transformer rated power
L= line length in meters
S= section of the conductor in m2
I2cc =
V2
V
2
Pn
2
x
Vcc (%)
100
+
0,036 x
S
I (m)
2
(mm )
In general it is enough to consider a protection calculated as 1,5-2,5xIn prim.
The table below is for single-phase transformers from 50VA to 1000VA with voltages 230-400/24V or 115V
Single-phase transformers - Protections with delaying fuses “T” serie
Pn
Input voltage
Output voltage
VA
230V
400V
24V
115V
50
0,50
0,315
2
0,40
75
0,80
0,40
3,15
0,63
100
1
0,63
4
1
150
1,50
0,80/1
6,3
1,25
200
2
1,25
8
1,6
250
2,50
1,6
10
2
300
3
1,6
12
2,5
400
3,15
2,5
15
3,15/4
500
4
3
25
4/5
630
5
4
-
5/6,3
800
6
5
-
8
1000
8
6,30
-
8/10
Meth s.a.s. di Lamon Silvio all rights reserved
36
METH s.a.s. reserves the right to make changes without notice
METH S.A.S. di Lamon Silvio
Via Fondovilla, 84/F - 36010 Carrè (VI) - Italy
tel +39.0445.891799 - fax +39.0445.891841
P.IVA 03071840247
e-mail: info@meth.it
International Sales: export@meth.it
www.meth.it
updating 04/14
catalogue 34