Instrument Transformer, Div of GE CTM-0C, JAR-0C Catalog Page
600 Volt Current Transformer
Model CTM-0C SINGLE BAR
APPLICATION
Designed for indoor service. Suitable for operating meters,
relays and control devices.
WEIGHT
(approximate) ..........7 lbs
DIMENSIONS
Height ......4.78”
Width ......9.38”
Depth ......3.75”
REFERENCE DRAWINGS (Outlines)
50-400A ......0121C42881
500-1200A ......0121C42882
INSULATION LEVEL
0.6kV; BIL 10kV full wave
FREQUENCY
60 Hz
* For these models please contact factory for availability and approval number from CCAC for revenue metering application.
CTM-0C SINGLE BAR DATA TABLE
Current Ratio
(Amps)
Pri : Sec
IEEE Accuracy Class
60 Hz Burden
Continuous Thermal
Current
Rating Factor
Approval
Number from
CCAC
Catalog Number
B0.1 to B0.9
@ 30oC Amb.
5:5* 0.3 1.5 - 430-001
10:5* 0.3 1.5 - 430-002
15:5* 0.3 1.5 - 430-003
20:5* 0.3 1.5 - 430-004
25:5* 0.3 1.5 - 430-005
30:5* 0.3 1.5 - 430-006
40:5* 0.3 1.5 - 430-007
50:5 0.3 1.5 T172-1 430-008
60:5 0.3 1.5 T172-1 430-009
75:5 0.3 1.5 T172-1 430-010
100:5 0.3 1.5 T172-1 430-011
150:5 0.3 1.5 T172-1 430-012
200:5 0.3 1.5 T172-1 430-013
250:5 0.3 1.5 T172-1 430-014
300:5 0.3 1.5 T172-1 430-015
400:5 0.3 1.5 T172 430-016
500:5* 0.3 1.5 - 430-017
600:5* 0.3 1.5 - 430-018
800:5* 0.3 1.5 - 430-019
1000:5* 0.3 1.2 - 430-020
1200:5* 0.3 1.0 - 430-021
APPLICATION
Designed for indoor service. Suitable for
operating meters, relays and control devices.
WEIGHT
(approximate) ..........9 lbs
DIMENSIONS
Height ......4.56”
Width ......9.37”
Depth ......4.62”
REFERENCE DRAWINGS (Outlines)
50-400A ......0121C42883
500-1200A ......0121C42884
INSULATION LEVEL
0.6kV; BIL 10kV full wave
FREQUENCY
60 Hz
CTM-0C DOUBLE BAR DATA TABLE
Current Ratio
(Amps)
Pri : Sec
IEEE Accuracy Class
60 Hz Burden
Continuous Thermal
Current
Rating Factor
Approval
Number from
CCAC
Catalog Number
B0.1 to B0.2
@ 30oC Amb.
50/50:5 0.3 1.5 T-156 440-001
100/100:5 0.3 1.5 T-156 440-002
150/150:5 0.3 1.5 T-156 440-003
200/200:5 0.3 1.5 T-156 440-004
300/300:5 0.3 1.5 T-156 440-005
400/400:5 0.3 1.5 T-156 440-006
500/500:5 0.3 1.5 T-286 440-007
600/600:5 0.3 1.5 T-286 440-008
800/800:5 0.3 1.5 T-286 440-009
1000/1000:5* 0.3 1.2 - 440-010
1200/1200:5* 0.3 1.0 - 440-011
Model CTM-0C DOUBLE BAR
3 Wire Double Bar
* For these models please contact factory for availability and approval number from CCAC for revenue metering application.
Model JAR-0C Auxiliary CT
ψ Refer to factory
φ Common ratios are listed in the data table; other ratios are available, consult factory.
* Up to six secondary currents can be totalized. Equal or unequal line current transformers can be summed with
these transformers. Consult factory with the ratios of the line current transformers to be totali
zed.
APPLICATION
Designed for indoor service; for connection in the secondary circuit of a main current transformer to change the
effective ratio seen by meters and relays. It’s accuracy is
suitable for use with totalizing meters and relays. It is
designed for use on circuits not exceeding 600V to ground.
REGULATORY AGENCY APPROVALS
UL Recognized ...........File E93779
WEIGHT (approximate)
Transformer ......................10 lbs
DIMENSIONS
Height ......5.44”
Width ......5.29”
Depth ......5.29”
REFERENCE DRAWINGS
Outline ........0121C33696
INSULATION LEVEL
Because it is used in the secondary circuit of another transformer, it has no voltage rating. These transformers receive
a 60Hz, 2.5 kV high potential factory test between each
winding and between the windings and ground.
FREQUENCY
50-60 Hz
JAR-0C DATA TABLE
Continuous Thermal Current Rating Factor 1.5 @ 30oC Ambient, 1.1 @ 55oC Ambient
IEEE Meter Accuracy Classification, 60 Hz All Models 0.3 at B0.1 and B0.2
Current Ratio
(in Amps)
Pri:Sec φ
Internal Burden
(Short-Circuit
Impedance)
VA at Rated Current
Catalog
Number
Current Ratio
(in Amps)
Pri:Sec φ
Internal Burden
(Short -Circuit
Impedance)
VA at Rated Current
Catalog
Number
5:0.100 6.0 750X101126 5:6.250
ψ
750X101369
5:0.200 5.7 750X101120 5:7.500 7.3 750X101010
5:0.250 6.8 750X101118 5:8.000 7.7 750X101009
5:0.500 7.0 750X101106 5:10.000 8.5 750X101003
5:0.625 7.2 750X101101 5:12.500 8.9 750X101002
5:1.000 7.8 750X101088 5:15.000 10.7 750X101001
5:1.250 7.8 750X101082 1.000:5 6.8 750X101029
5:1.667 7.8 750X101067 1.667:5 9.0 750X101026
5:2.000 7.8 750X101060 2.500:5 8.2 750X101024
5:2.395 7.8 750X101056 2.875:5 7.0 750X101330
5:2.500 7.3 750X101054 7.500:5 9.1 750X101019
5:2.890 7.1 750X101051 10.000:5 8.5 750X101015
5:3.000 7.8 750X101049 0.500:1
ψ
750X101308
5:3.330 7.5 750X101042 0.923:1
ψ
750X101335
5:3.750 8.0 750X101038 4.000:10 8.3 750X101004
5:4.000 8.5 750X101036
5&5:5 *
8.2 750X101133
5:5.000 8.5 750X101020 5&5&5&5:5 * 8.2 750X101131
5:5.330 8.5 750X101309 5&5&5&5&5&5 * 8.2 750X101129
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