The ZHECHI Electric® Molded Case Circuit Breaker / Molded Case Circuit Breaker MCCB made in China is an industrial circuit breaker newly developed by ZHECHI according to the international standard.
The ZHECHI Electric® Molded Case Circuit Breaker / Molded Case Circuit Breaker MCCB is an industrial circuit breaker newly developed by ZHECHI according to the international standard.
It is used in circuits with rated voltage below 690V,rated working current up to 400A for infrequent transformation and infrequent starting of motors.
| Frame Size | 250 | Rated impluse withstand voltage Uimp (kV) | 8 |
| Model | SGM3 DC-250 | Breaking capacity level | H |
| Number of poles | 3,4 | Rated ultimate short-circuit breaking capacity lcu(kA) | 40 |
| Rated current(A) In |
16,20,25,32,40,50, 63,80,100,125,140, 160,180,200, 225,250 |
Rated service short-circuit breaking capacity lcs(kA) | 20 |
| Rated operation voltage Ue(V) | DC750,DC1000,DC1500 | Isolation applicability | Yes |
| Standard | IEC60947-2 |
Mechanical Endurance Electrical Endurance |
5000 10000 |
| Reference temperature | 40ºC/50ºC | Arcing distance | ≤50 |
| Rated insulation voltage Ui (V) | 1000 |
Dimensions 3P mm(L*W* H) 4P |
165*107*103 |
| 165*142*103 |
