Split Core Current Transformer
CR3100 Series
The CR3100 Series Split Core Current Transformer is
designed to provide a low cost method to monitoring electrical current. A unique hinge and locking snap allows attachment without interrupting the current-carrying wire. High
secondary turn will develop signals up to 10.0 VAC across a
burden resistor.
CR3110-3000
Current Transformers
CR3109-1500
F
Applications
Portable Instruments
Sub-Metering
Monitor Motor Loads
Features
Small Size
Low Cost
High Secondary Turns
Secure Locking Hinge
CR3111-3000
CR3113-2000
Specifications
Maximum Continuous Primary Current
Insulation Voltage
Storage Temp.
Operating Temp.
PART NUMBERS
CR3109 - 1500
CR3110 - 3000
CR3111 - 3000
CR3113 - 2000
30 AMP
75 AMP
100 AMP
150 AMP
4 X Ir
3500 Vac/1min
-45°C thru +85°C
-40°C thru +65 °C
Regulatory Agencies
SPLIT CORE CURRENT TRANSFORMERS
Part Number
CR3109-1500
CR3110-3000
CR3111-3000
CR3113-2000
Imax
30
75
100
150
Vmax RMS
5
15
19
16
DCR Ω
187
440
390
58
Te (typ.)
1510
3100
3150
2125
Frequency
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
20 - 1 KHz
CR3110-3000 ONLY
Ir = Maximum Input Current to be linearly sensed
Vmax = Maximum Voltage (Saturation) CT will develop
Te = Effective turns ratio including losses (All Specifications tested at 60 Hz)
I
DCR
R
OUTLINE DRAWING
A
B
D
C
E
VL = Vmax -
I x DCR
Te
V=
V
IxR
Te
For best linearity, choose R such that V < 0.8 VL
F
VL
Part Number
CR3109-1500
CR3110-3000
CR3111-3000
CR3113-2000
The Professional
Energy Monitoring
Company
M N TI
ISO 9001:2008 Quality Management System
A
B
C
D
E
F
0.76 0.19 1.24 6.10 0.82 0.20
(19.2) (4.90) (31.5) (1.55) (20.8) (5.08)
1.00 0.40 1.57 5.91 1.04 0.24
(25.5) (10.2) (40.0) (150) (26.5) (6.10)
1.24 0.62 1.77 6.10 1.22 0.20
(31.4) (15.7) (45.0) (155) (31.0) (5.08)
2.68 0.98 2.56 118 0.72 0.20
(68.7) (24.9) (65.0) (3000) (18.4) (5.08)
I
3500 Scarlet Oak Blvd. St. Louis MO USA 63122 V: 636-343-8518 F: 636-343-5119
Web: http://www.crmagnetics.com
102
E-mail: sales@crmagnetics.com
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