Ningbo NEP

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	Zero Phase Transformer

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Model Number

Zero Phase Transformer

zero-phase CT Transformer

Features of zero phase current transformer
﹡High sensitivity;
﹡Close to zero load shift and zero phase shift;
﹡Excellent balance characteristics;
﹡Perfect temperature stability；
﹡Small change for output voltage after passing the heavy current IDC；
﹡A variety of configuration and output characteristics。
Applications
· Residual current circuit breaker
· Earth leakage protection switch
· Leakage circuit protection breaker
· Leakage circuit protection plug (Appliance Leakage Circuit Interrupter -ALCI)

zero phase current transformer

Series No.		Rated Current (A)	Outline Standard sizes(mm)							Electrical Properties
			Outline Standard sizes(mm)							Output Voltage	Test Conditions
			A	B	C	D	E	F	G	Vo(mv)	Iin(mA)	RL(Ω)
1	ZCT201	30	16	5.9	6.5	18.5	5.7	45±3	4±1	3.5~4.0	5	1000
2	ZCT203	30,50	21	9.5	7.3	23.5	6.1	45±3	4±1	17min	25	1000
3	ZCT206	50,60,75,100	26	12.4	10	29.8	5.9	55±3	4±1	6.0~6.5	22.5	270
4	ZCT207	100,125	30	15.5	10	32.2	6.1	55±3	4±1	6.0~6.5	22.5	270
6	ZCT209	30	17.2	7	7	19.1	5.7	65±3	4±1	17~25	22.5	1000
7	ZCT210	30	17	6.8	7.8	19.5	6.1	45±3	4±1	6.0~6.5	22.5	270
8	ZCT211	30	25.4	10.6	8	28.3	6	70±3	3±1	10~12.5	20	680
9	ZCT212	100	23.5	11	8	26.5	6	70±3	3±1	10~12.5	20	680

zero phase Current Transformer: ZCT202,4,5,8,13

Series No.		Rated Current (A)	Electrical Properties
			Output Volatge	Test Conditions
			Vo(mv)	Iin(mA)	RL(Ω)
1	ZCT202	30	5.1~6.0	8	750
2	ZCT204	30	170min	100	--
3	ZCT205	50	11~15.5	8	4700
4	ZCT208	30	8.0~9.4	22.5	250
5	ZCT213	50	300min	25	4700

zero-phase Transformer: 516,526,505,506,533,519,520,508

Features
﹡High sensitivity；
﹡Steady and reliable output voltage；
﹡PCB mounting；
﹡A variety configuration and output characteristics。
Applications
· Residual current circuit breaker
· Earth Leakage protection switch
· Leakage circuit protection Breaker
· Leakage circuit protection plug (Appliance Leakage Circuit Interrupter -ALCI) zero phase transformer

Series No.		Rated Current (A)	Electrical Properties
			Output Volatge	Test Conditions
			Vo(mv)	Iin(mA)	RL(Ω)
1	ZCT516	30	17min	22.5	1000
2	ZCT526	30	W1：60~70 W2：10~18	30	—
3	ZCT505	30	17~21	22.5	1000
4	ZCT506	30	270~340mH	10KHZ	1V
5	ZCT533	30	270~340mH	10KHZ	1V
6	ZCT519	30,50	17min	25	1000
7	ZCT520	50,60,75	6.0~6.5	22.5	270
8	ZCT508	30,50	400	20	__

zero-phase Transformer: 501,514,513,515,503,511,529,534

Series No.		Rated Current (A)	Electrical Properties
			Output Volatge	Test Conditions
			Vo(mv)	Iin(mA)	RL(Ω)
1	ZCT501	30	6.5~7.5	11.25	1000
2	ZCT514	30	3.0-3.4	20	150
3	ZCT513	30	3.0-3.4	20	150
4	ZCT515	30	3.0-3.4	20	150
5	ZCT503	30	≥7.5	11.25	1000
6	ZCT511	20	5.1min	22	68
7	ZCT529	30	5.65~7.75	11	360
8	ZCT534	30	6.3~6.8	25	200