143 Solid-Core Current Transformers

Model# 143 600V

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Insulation Class0.6kV, 10kV BIL Full Wave

Revenue Grade only available in:200:5A and above

WeightApproximately 60 lbs

Amps0-50 thru 0-6000A

Frequency50-400Hz

Standard5A

Detailed Model Specifications

Click below to see available detailed specifications

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5 AMP Secondary Models

Catalog Number	Input Amps	Output Amps	Relay Class	B0.1	B0.2	B0.5	B0.9	B1.8	Secondary Winding Resistance(Ω@75°C)	@30°C	@55°C
143-500	50A	5A	C20	4.8	4.8	-	-	-	0.014	2.0	2.0
143-750	75A	5A	C20	2.4	2.4	-	-	-	0.042	2.0	2.0
143-101	100A	5A	C20	1.2	2.4	4.8	4.8	-	0.056	2.0	2.0
143-151	150A	5A	C50	0.6	0.6	1.2	2.4	4.8	0.121	2.0	2.0
143-201	200A	5A	C50	0.3	0.3	0.6	1.2	2.4	0.161	2.0	2.0
143-251	250A	5A	C50	0.3	0.3	0.6	1.2	2.4	0.175	2.0	2.0
143-301	300A	5A	C100	0.3	0.3	0.3	0.6	1.2	0.241	2.0	2.0
143-401	400A	5A	C100	0.3	0.3	0.3	0.3	0.6	0.322	2.0	2.0
143-501	500A	5A	C100	0.3	0.3	0.3	0.6	0.6	0.441	2.0	2.0
143-601	600A	5A	C200	0.3	0.3	0.3	0.3	0.3	0.530	2.0	1.5
143-751	750A	5A	C200	0.3	0.3	0.3	0.3	0.3	0.662	2.0	1.5
143-801	800A	5A	C200	0.3	0.3	0.3	0.3	0.3	0.706	2.0	1.5
143-102	1000A	5A	C200	0.3	0.3	0.3	0.3	0.3	0.883	1.5	1.33
143-122	1200A	5A	C400	0.3	0.3	0.3	0.3	0.3	1.059	1.5	1.0
143-152	1500A	5A	C400	0.3	0.3	0.3	0.3	0.3	1.324	1.5	1.0
143-162	1600A	5A	C400	0.3	0.3	0.3	0.3	0.3	1.413	1.33	1.0
143-202	2000A	5A	C400	0.3	0.3	0.3	0.3	0.3	1.678	1.33	1.0
143-252	2500A	5A	C400	0.3	0.3	0.3	0.3	0.3	2.097	1.0	0.8
143-302	3000A	5A	C800	0.3	0.3	0.3	0.3	0.3	2.516	1.0	0.8
143-322	3200A	5A	C800	0.3	0.3	0.3	0.3	0.3	2.684	1.0	0.8
143-352	3500A	5A	C800	0.3	0.3	0.3	0.3	0.3	2.936	1.0	0.8
143-402	4000A	5A	C800	0.3	0.3	0.3	0.3	0.3	3.355	1.0	0.6
143-502	5000A	5A	C800	0.3	0.3	0.3	0.3	0.3	3.983	1.0	0.6
143-602	6000A	5A	C800	0.3	0.3	0.3	0.3	0.3	4.780	0.8	0.6

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