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JBTM1LC(Z) MCCB Moulded Case Circuit Breaker (residual current operated)


JBTM1LC (Z) residual current operation circuit breaker is a comprehensive and intelligent protector with communication functions, it gathers functions of residual current relay, contactor, molded case protector in one body and has current protection, short circuit protection, overvoltage and undervoltage protection, phase loss protection, leakage protection, automatic reclosing.


Applicable Environment

· Ambient temperature - 5 °C ~ + 40 °C, relative humidity ≤ 50%;

· The relative air temperature installation site shall be free of conductive dust, corrosive gas, flammable and explosive gas, rain and snow;

· The altitude shall not exceed 2000m;

The intensity of the external magnetic field of the installation site in any direction shall not exceed 5 times of the geomagnetic field.


Model Explanation


Product Categories

Based on the number of poles of the product, there are: 3P+N, 4P;

Based on rated current: 125A, 250A, 400A, 630A, 800A;

Based on the setting current, it is divided into:

JBTM1LC(Z)-125: 50A、63A、 80A、 100A、 125A ;

JBTM1LC(Z)-250: 100A、125A、 140A、 160A、 180A、 200A、 225A、 250A ;

JBTM1LC(Z)-400: 160A、180A、200A、225A、 250A、 315A、 350A、 400A ;

JBTM1LC(Z)-630: 250A、315A、 350A、 400A、500A、 630A ;

JBTM1LC(Z)-800: 400A、500A、 600A、 700A、 800A ;