Zero sequence (residual) current transformer (open-close type)

Product overview

特点

•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 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

The following table shows our standard series of current transformers

Model	Primary Current	Secondary Current	Rated continuous thermal current	Main loop current	Transformation ratio	Precision class	load	Inner diameter-length-width-height (mm)
ZMCTLK-30	1A	0.5mA	2A	0~100A	2000:1	1.0	＜500	30-79-66-25
ZMCTLK-45	1A	0.5mA	2A	0~160A	2000:1	1.0	＜500	45-100-79-24
ZMCTLK-65	1A	0.5mA	2A	0~250A	2000:1	1.0	＜500	65-121-101-26
ZMCTLK-80	1A	0.5mA	2A	0~400A	2000:1	1.0	＜500	80-148-128-28
ZMCTLK-100	1A	0.5mA	2A	0~630A	2000:1	1.0	＜500	100-168-146-28

型号	A	B	C	D	E	F	G
ZMCTLK-30	79	25	66	30	3	69	5
ZMCTLK-45	100	24	79	45	5	85	5
ZMCTLK-65	121	26	101	65	5	109	6
ZMCTLK-80	148	28	128	80	6	124	6
ZMCTLK-100	168	28	146	100	6	152	6

Product Center

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