PKM1 moulded case circuit breaker is suitable for short circuit and overload protection for circuit of AC 690V, 50/60Hz, rated current from 6 to 800A for infrequent breaking and starting of the motor. It is conform with IEC60947-2.
Parameters
| Model | Rated current (A) | Number of poles | Rated Insulation voltage(V) | Rated operating voltage(V) | Arcing distance (mm) | Ultimate short circuit breaking capacity(kA) | Service short circuit breaking capacity(kA) | Operation performance | |
| Load | Unload | ||||||||
| PKM1-63L | 6, 10, 16, 20, 25, 32, 40, 50, 63 | 2P, 3P, 4P | 500 | 380, 400, 415 | ≤ 50 | 25 | 18 | 1500 | 8500 |
| PKM1-63M | ≤ 50 | 50 | 35 | ||||||
| PKM1-100L | 10, 16, 20, 25, 32, 40, 50, 63, 80, 100 | 800 | 380, 400, 415, 690 | ≤ 50 | 35 | 22 | |||
| PKM1-100M | ≤ 50 | 50 | 35 | ||||||
| PKM1-100H | ≤ 50 | 85 | 50 | ||||||
| PKM1-225L | 100, 125, 160, 180, 200 | ≤ 50 | 35 | 22 | 1000 | 7000 | |||
| PKM1-225M | ≤ 50 | 50 | 35 | ||||||
| PKM1-225H | ≤ 50 | 85 | 50 | ||||||
| PKM1-400L | 225, 250, 315, 350, 400 | 3P, 4P | ≤ 50 | 50 | 35 | 1000 | 4000 | ||
| PKM1-400M | ≤ 50 | 65 | 42 | ||||||
| PKM1-400H | ≤ 50 | 100 | 65 | ||||||
| PKM1-630L | 400, 500, 600 | ≤ 100 | 50 | 35 | |||||
| PKM1-630M | ≤ 100 | 65 | 42 | ||||||
| PKM1-630H | ≤ 100 | 100 | 65 | ||||||
| PKM1-800M | 630, 700, 800 | ≤ 100 | 65 | 42 | |||||
| PKM1-800H | ≤ 100 | 100 | |||||||
