China Wholesale Mcb Breaker Manufacturer – JCM9LR – Jonchn

Type and meaning

Features

◆Integrated and intelligent residual current circuit breaker integrating three types of residual current protection relay, leakage circuit breaker and electronic moldedd case circuit breaker; Using high-performance 32-bit microprocessor, real-time signal processing and intelligent control;
◆Support Chinese liquid product display, friendly man-machine interface and easy operation;
This product has the functions of remote remote signaling, remote measurement, remote adjustment and remote control;
◆This product has special waveform function;
◆Comply with DL/T20, communication protocol of residual current circuit breaker;
◆In line with GB140482, GB/T32902 and other standards:
◆Comply with the two enterprise standards of the State Electricity Corporation “Q/GDW1972 Technical Specification for Low-voltage Circuit Breakers for Distributed Photovoltaic Grid-connected”;
◆Comply with the State Grid Enterprise Standard “Q/GDVW11289, Technical Specification for Lightning Protection of Residual Current Operated Protectors”

Normal working conditions

◆Ambient temperature -5℃-+40℃ (can be customized for super ambient temperature);；
◆When the average minimum temperature of the wettest month with relative air humidity does not exceed 25°C, the monthly average maximum relative humidity of the month does not exceed 90%, and the well filter can detect condensation on the product surface due to temperature changes.
◆The altitude does not exceed 2000 meters;；
◆Pollution degree class 3；
◆Installation category III；
◆The external magnetic field of the installation site shall not exceed 5 times of the earth’s magnetic field in any direction。