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RESIDUAL CURRENT TRANSFORMER OF CIRCUIT BREAKER

RESIDUAL CURRENT TRANSFORMER OF CIRCUIT BREAKER

Product features

◆ Core piercing structure, flame retardant epoxy resin casting, good stability.
◆ High magnetic conductivity nickel steel or nanocrystalline, good linearity and high sensitivity
◆ Excellent balance characteristics and strong anti electromagnetic interference ability

Scope of application

Electrical fire monitoring, fire prevention and leakage system, intelligent power system, small current grounding system, electromagnetic relay protection, microcomputer protection, intelligent power, environmental protection monitoring, etc.

Product Material

Shell

ABS, Flame retardant grade 94-V0
Skeleton

PBT
Iron core

Nickel or nanocrystalline
Internal structure

Environment friendly epoxy resin casting

Inquiry

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Product overview

Circular through type current transformer is mainly used in cable circuit environment. It has simple structure, small volume and flexible application. According to the specifications of the cable used in the main circuit, there are a variety of through hole diameters. The through hole diameter of this series of products ranges from 30mm to 200mm, and the main circuit current includes 63A to 2000a. This series of products can meet the technical requirements of grade 0.2, grade 0.5 and grade 1; At the same time, it can also meet the strict requirements of the new national standard for balance characteristics. The unbalanced current output value can be better than 30mA, 10mA, 5mA, or even 3mA, which greatly reduces the false alarm caused by the magnetic field interference of the main circuit current and provides sufficient guarantee for the reliability of the equipment. Excellent and advanced production process. This product complies with the standards GB 14287.2-2005, GB 14287.2-2014 and IEC 60364-4-42.

Electrical parameters		Mechanical parameters
Working frequency	50~400Hz	Shell	ABS,Flame retardant grade 94-V0
Rated input	10mA~5A	Skeleton	PBT
Measuring range	10％ln~130％ln	Iron core	Nickel or nanocrystalline
Rated output	0~1V(A or)0~1A/100mA	Internal structure	Environment friend epoxy resin casting
Ratio difference	≤±0.1％	Construction plan	Screw fixation
Phase difference	≤±10 point	Working temperature	-12℃~+45℃
Dielectric strength	2.5KV/7mA/1min	Ambient humidity	≤85％
Insulation resistance	DC500V/1000MΩ/min	Connection mode	Terminal type/shielded strand 1.5m