250A 4P Compact Design Thermal Adjustable MCCB IEC60947-2

MCCB TRM SERIES Standard TRM series circuit breaker and auxiliaries comply with the following international standard: 1.IEC/EN 60947-1 Low-voltage switchgear and controlgear-part 1: General rules; 2.IEC/EN 60947-2 Low-voltage switchgear and controlgear-part 2: Circuit breakers; TRM series MCCB(Standard use environment for TRM series MCCB) 1. Ambient temperature: Within the range of -5ºC--+55ºC(However, when the temperature exceed 40ºC,it should be considered to reduce the capacity to use); 2. Relative humidity: Within the range of 45%--85%; 3. Altitude: 2000m or less(However, if it exceeds 1000m, atmosphere correction through humidity test and withstand voltage test can be considered); 4. Atmosphere where excessive steam, oil steam, smoke, dust, salt and other corrosive materials do not exist; Classification: According to the poles:                                        &nbs…

MCCB TRM Series Mini Safety Breaker RCBO Earth Leakage Breaker ELCB