Flex-Core's 120 Series 600V Solid-Core Current Transformers

Model# 120 600V

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Terminals: Brass Studs No. 8-32 UNC with one flat washer, lock washer and regular nut.
Mounting Bracket: P/N 0221B00185
Manufactured to meet the requirements of ANSI/IEEE C57.13
UL Recognized
Window I.D. – 5.75″
Relaying and Metering Applications

Insulation Class0.6kV, 10kV BIL Full Wave

Relay Class

WeightApproximately 9 Lbs

Amps0-200 thru 0-4000A

Frequency50-400Hz

Standard5A

Detailed Model Specifications

Click below to see available detailed specifications

While these tables work on mobile devices, they are best viewed on a desktop computer.

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
120-201	200A	5A	--	1.2	1.2	2.4	4.8	4.8	0.053	2.0	2.0
120-301	300A	5A	C10	0.3	0.6	1.2	2.4	2.4	0.063	2.0	2.0
120-401	400A	5A	C10	0.3	0.3	0.6	1.2	2.4	0.080	2.0	2.0
110-501	500A	5A	C20	0.3	0.3	0.6	0.6	1.2	0.137	2.0	2.0
120-601	600A	5A	C20	0.3	0.3	0.3	0.6	0.6	0.165	2.0	2.0
120-801	800A	5A	C20	0.3	0.3	0.3	0.3	0.6	0.220	2.0	1.5
120-102	1000A	5A	C20	0.3	0.3	0.3	0.3	0.6	0.309	1.5	1.5
120-122	1200A	5A	C50	0.3	0.3	0.3	0.3	0.3	0.371	1.5	1.53
120-152	1500A	5A	C50	0.3	0.3	0.3	0.3	0.3	0.464	1.5	1.0
120-162	1600A	5A	C50	0.3	0.3	0.3	0.3	0.3	0.494	1.33	1.0
120-202	2000A	5A	C50	0.3	0.3	0.3	0.3	0.3	0.592	1.33	1.0
120-252	2500A	5A	C50	0.3	0.3	0.3	0.3	0.3	0.740	1.0	0.8
120-302	3000A	5A	C50	0.3	0.3	0.3	0.3	0.3	0.888	1.0	0.8
120-352	3500A	5A	C50	0.3	0.3	0.3	0.3	0.3	0.964	1.0	0.8
120-402	4000A	5A	C50	0.3	0.3	0.3	0.3	0.3	1.102	1.0	0.8

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