Zero sequence (residual) current transformer (closed type)

Product overview

Features

•low cost

•The iron core is wound from a high-permeability magnetic material with no air gap, and the secondary winding is evenly wound with low magnetic leakage.

•A variety of external structure size

•A variety of specifications to choose from

Purpose

•Current and voltage monitoring, fire-proof leakage system, small current grounding system

•Electromagnetic relay protection device, microcomputer protection device

Focus

Product advantages

Exquisite appearance; small size; light weight; high precision; good consistency; moisture-proof and shock-proof

Detailed parameters

Description

•Shell material: engineering plastic, flame retardant grade 94-V0. Frequency: 50-2000 Hz

•Working temperature: -20°C-+50° C

•Working voltage: 600Vac • Dielectric strength: 2500Vac/min

•Impulse voltage: 5000V (1.2/50JJS standard lightning wave)

•Environmental protection: compliance with RoSH environmental protection requirements

•Accuracy grade: in line with 0.2, 0.5, 1.0

Model	Zero sequence current	Transformation ratio	Accuracy level	Allowable phase current	Load	Inner diameter-length-width-height (mm)
ZM-LX19	10mA~10A	1000:1 2000:1	0.2,0.5	＜50A	＜500	19-38-38-17
ZM-LX25	10mA~10A		0.2,0.5	＜50A	＜500	25-51-46-18
ZM-LX40	10mA~10A		0.2,0.5	＜100A	＜500	40-73-90-22
ZM-LX45	10mA~10A		0.2,0.5	＜160A	＜500	45-85-76.5-25.5
ZM-LX60	10mA~10A		0.5,1.0	＜200A	＜500	60-95-94.5-23
ZM-LX75	10mA~10A		0.5,1.0	＜300A	＜500	75-137-126.5-22
ZM-LX80	10mA~10A		0.5,1.0	＜460A	＜500	80-130-126.5-28
ZM-LX100	10mA~10A		0.5,1.0	＜630A	＜500	100-139-147-25

Model	A	B	C	D	E	F	G
ZM-LX19	38	17	38	19	/	/	/
ZM-LX25	51	18	46	25	3	44.5	4
ZM-LX40	73	22	90	40	/	55	5.5
ZM-LX45	85	25.5	76.5	45	4	64.5	4.5
ZM-LX60	95	23	94.5	60	4	73.5	4.5
ZM-LX75	137	22	126.5	75	6	117	4.5
ZM-LX80	130	28	126.5	80	6	104.5	4.5
ZM-LX100	139	25	147	100	6	123	5

Product Center

Sanyou has been deeply engaged in relay industry for 13 years.