● Application
This MCCB CMM1 series breaker is one of products developed and manufactured by adopting international advanced technology. It is supplied with rated insulation voltage 550V and 800V and used for circuit of AC 50/60Hz, rated operating voltage AC 400V (or below), rated operating current up to 1600A for infrequent changing over and starting of the motors. The products conforms to IEC60947-2 standard.
● Product Main Technical
Poles | 2P,3P,4P |
Rated current In | 100, 160, 180, 200, 225, 250A |
Rated insulating voltage Ui (V) | 690 |
Rated operating voltage Ue(V) | 400 |
Rated frequency | 50/60Hz |
Ultimate short circuit breaking capacity | 35KA |
Services short circuit breaking capacity | 22KA |
Arcing over distance (mm) | 0 |
Operation performance Load | 1000 |
Operation performance Unload | 7000 |
Utilization category | A |
● Overall & Installation Dimension(mm)
● Protection Characteristic
Rated current of release(A) | Thermodynamic release ( ambient temperature land +40°C & marine +45°C) | Operat current of magnetic release(A | |
1.05In(cold state) Inoperative time(h) | 1.30In(heat state) operative time (h) | ||
In≤63 | ≥1 | ˂1 | 5~10In+20% |
63˂In≤100 | ≥2 | ˂2 | 5~10In+20% |
100˂In≤630 | ≥2 | ˂2 | 5~10In+20% |
Rated | Thermodynamic release ( ambient temperature land +40°C & marine +45°C) | Operating | |||
current of | 1.0In(cold state) | 1.20In(heat state) | 1.50In(heat state) | 7.2In(cold state) | current of |
release(A) | non-trip time(h) | trip time (h) | trip time (h) | non-trip time(h) | magnetic release(A |
12.5≤In≤400 | ≥2 | ˂2 | ≤4min | 2s˂Tp≤10s | 12In+20% |
Low Voltage Circuit Breaker Low Voltage Component Safety Breaker