Yueqing Longchen Electrical Co.Ltd.
UCB Type circuit breaker mccb
Product overview：
UCB is one of the products developed and manufactured by adopting international advanced technology. MCCB is supplied with rated insulating voltage 550V and 800V and used for circuit of AC 50/60Hz, rated operating voltage AC 660V(or below), rated operating current up to 630A for infrequent changing over and starting of the motors. The electrical molded case circuit breaker MCCB conforms to IEC60947-2 standard.
Type | Poles | Rated Current In (A) | Ultimate Short Circuit Breaking Capacity(kA), Icu | Uimp(kV) Rated Impulse Withstand Voltage | |||||
Ue(AC 50/60Hz) | Ui(V) | ||||||||
220/240V | 380/415V | 440/460V | 480/500V | 600/660V | |||||
UAB 100C | 2P | 63,100,160,200,225,250,320,400,630 | 10 | 7.5/5 | 5 | 2.5 | 2.5 | 690 | 6 |
UAB 100C | 3P | 63,100,160,200,225,250,320,400,630 | 10 | 7.5/5 | 5 | 2.5 | 2.5 | 690 | 6 |
Type | Poles | Rated Current In (A) | Ultimate Short Circuit Breaking Capacity(kA), Icu | Uimp(kV) Rated Impulse Withstand Voltage | |||||||
Ue(DC) | Ue(AC 50/60Hz) | Ui(V) | |||||||||
125V | 250V | 220/240V | 380/415V | 440/460V | 480/500V | 600/660V | |||||
UCB 100R | 3P | 100,125,150,175,200,225,250 | 20 | 14 | 50 | 30/25 | 25 | 14 | 10 | 690 | 6 |
UCB 100R | 4P | 100,125,150,175,200,225,250 | 20 | 14 | 50 | 30/25 | 25 | 14 | 10 | 690 | 6 |
UCB 250H | 3P | 100,125,150,175,200,225,250 | 40 | 25 | 85 | 42 | 42 | 30 | 20 | 690 | 6 |
UCB 250H | 4P | 100,125,150,175,200,225,250 | 40 | 25 | 85 | 42 | 42 | 30 | 20 | 690 | 6 |
