www.joyetv.com

250A Single Pole Korea Compact Design MCCB

146

250A Single Pole Korea Compact Design MCCB

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…