45 Amp Current Sense Transformer

West Coast Magnetics' 602 series current sense transformers can accurately sense up to 45 Amps peak current. They feature excellent linearity in the frequency range of 125 kHz to 400 kHz. The 602 series current sense transformers are available in either a vertical or horizontal mount style and are designed to comply with safety agency requirements including UL, CSA, VDE and IEC standards.

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Design Constants

Size Code	Turns	Inductance min.(millihenries)	DCR (mΩnom)	V out (Volts)	I in (Amps)	Terminating Resistor (Ω)	Hypot
602-1	25	0.7	95	1	1	25	3750 VAC
602-2	50	2.7	260	1	1	50	3750 VAC
602-3	100	11.1	1000	1	1	100	3750 VAC
602-4	200	44.0	3300	1	1	200	3750 VAC
602-5	25	0.7	95	1	1	25	3750 VAC
602-6	50	2.7	260	1	1	50	3750 VAC
602-7	100	11.1	1000	1	1	100	3750 VAC
602-8	200	44.0	3300	1	1	200	3750 VAC

peak sense current

Peak Sense Current vs Frequency of Operation (Amps)

Size Code	25kHz	50kHz	100kHz	200kHz	400kHz
602-1	--	--	--	45	45
602-2	--	45	45	45	--
602-3	45	45	45	--	--
602-4	45	--	--	--	--
602-5	--	--	--	45	45
602-6	--	45	45	45	--
602-7	45	45	45	--	--
602-8	45	--	--	--	--

schematics

602-1, 602-2, 602-3, 602-4

click image to enlarge

Size/Code	L	W₁	W₂	H	D	X	Y	Z	l	d₁	d₂
602-1 602-2 602-3 602-4	.675/17.1	.800/20.3	.400/10.2	.800/20.3	NA	.500/12.7	.700/17.8	.350/8.9	.200/5.1	.031/.79	.125/3.2

602-5, 602-6, 602-7, 602-8

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Size/Code	L	W₁	W₂	H	D	X	Y	Z	l	d₁	d₂
602-5 602-6 602-7 602-8	.787/20.0	.661/16.8	.628/16.0	.410/10.4	.197/5.00	.492/12.5	NA	NA	.375/9.5	.031/.79	NA

Note: 602 - 5, 6, 7, 8 require single turn sense wire.

Note: All materials of construction minimum Class B 130 degrees C rated.

Dimensions: Inches/mm

notes

Notes: