Home / Product / Moulded Case Circuit Breaker
Application:
JM1 series 4pole mould case circuit breaker is new developed and manufactured by adopting international advanced technology.It is a supplied with rated insulation voltage 800V and used for circuit of AC 50HZ,rated operating voltage AC 400V or below rated operation current up to 800A for infrequent changing over and starting of the motors. Equipped with the protection devices for over-current,short circuit and under voltage,the products is capable of preventing damage of circuits and supplying units.The product confirms to IEC60947-2 standard.
Specification:
Type | Pole | Rated current (A) | Rated insulation voltage (V) | Rated operation voltage (V) | Arcing-over Distance (mm) | Ultimate short-circuit Breaking capacity (KA) | Service short-circuit Breaking capacity (KA) | Operation performance | Utilization category |
| JM1-63L | 4P | 6,10,16,20,25 32,40,50,63 | 660 | 380 | 0 | 25 | 18 | 1500 | 8500 |
| JM1-63M | 660 | 380 | 0 | 50 | 35 | 1500 | 8500 | ||
| JM1-100L | 4P | 10,16,20,25,32,40,50,63,80,100 | 660 | 380 | 0 | 35 | 22 | 1500 | 8500 |
| JM1-100M | 660 | 380 | ≤50 | 50 | 35 | 1500 | 8500 | ||
| JM1-100H | 660 | 380 | ≤50 | 85 | 50 | 1000 | 7000 | ||
| JM1-225L | 4P | 100, 125, 160, 180, 200, 225 | 660 | 380 | ≤50 | 35 | 22 | 1000 | 7000 |
| JM1-225M | 660 | 380 | ≤50 | 50 | 35 | 1000 | 7000 | ||
| JM1-225H | 660 | 380 | ≤50 | 85 | 50 | 1000 | 7000 | ||
| JM1-400L | 4P | 225, 250, 315, 350, 400 | 660 | 380 | ≤50 | 50 | 35 | 1000 | 4000 |
| JM1-400M | 660 | 380 | ≤50 | 65 | 42 | 1000 | 4000 | ||
| JM1-400H | 660 | 380 | ≤50 | 65 | 42 | 1000 | 4000 | ||
| JM1-630L | 4P | 400, 500, 630 | 660 | 380 | ≤100 | 50 | 35 | 1000 | 4000 |
| JM1-630M | 660 | 380 | ≤100 | 65 | 42 | 1000 | 4000 | ||
| JM1-630H | 660 | 380 | ≤100 | 65 | 65 | 1000 | 4000 | ||
| JM1-800M | 4P | 630, 700, 800 | 660 | 380 | ≤100 | 75 | 50 | 1000 | 4000 |
| JM1-800H | 660 | 380 | ≤100 | 100 | 65 | 1000 | 4000 | ||
| JM1-1250M | 4P | 1000, 1250 | 660 | 380 | ≤100 | 100 | 65 | 1000 | 4000 |
| JM1-1250H | 660 | 380 | ≤100 | 125 | 75 | 1000 | 4000 | ||
| JM1-1600M | 4P | 1600 | 660 | 380 | ≤100 | 150 | 80 | 1000 | 4000 |
Note:
1.The MCCB has L; M; H types according to their rated limit short-circuit breaking capacity.
2.The MCCB is advantageous for its compact body, high breaking capacity(some even on flying arc), short arc-casting.
3.The MCCB has function of insulation wit its mark
4.The product complies with IEC60947-2, GB14048.2. Type code & signification
5.N-P type from 4-P has 3 types: A type: N-P without current tripper(normally open);
6.B type: N-P without current tripper working together with other 3P;
7.C type: N-P without current tripper working together with other 3P;
8.No code for distribution type breakers, 2 for motor-protection type;
9.No-code for distribution type breakers, 2 for motor-protection type;
We take pride in our customer service and aim to provide 5-star support. If you have any questions about our products, feel free to call or email us.
The company mainly produces AC contactors, motor protectors and thermal relays.All products have passed the CE safety certification, and some have passed the CB certification.