Our advancement depends over the highly developed devices, excellent talents and continually strengthened technology forces for 18 Years Factory AC DC 1p 2p 3p 4p 10ka Miniature Circuit Breaker MCB, We persistently acquire our enterprise spirit “quality lives the organization, credit assures cooperation and continue to keep the motto inside our minds: buyers very first.
Our advancement depends over the highly developed devices, excellent talents and continually strengthened technology forces for MCB and Circuit Breaker MCB, We aspire to meet the demands of our customers globally. Our range of merchandise and services is continuously expanding to meet customers’ requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
Our advancement depends over the highly developed devices, excellent talents and continually strengthened technology forces for 38 Years Factory AC DC 1p 2p 3p 4p 10ka Miniature Circuit Breaker MCB, We persistently acquire our enterprise spirit “quality lives the organization, credit assures cooperation and continue to keep the motto inside our minds: buyers very first.
38 Years Factory MCB and Circuit Breaker MCB, We aspire to meet the demands of our customers globally. Our range of merchandise and services is continuously expanding to meet customers’ requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
Model No.
Main technique parameter
Over-current releasing characteristics should confirm to table 1 when the circuit breaker is at normal installation condition and basic temperature of 30-35℃.
| No. | Tripping type | Rated current In | Test current A | Approximate time | Expected result | Starting state | |||
| 1 | C | All values | 1.13In | t≤1h | Not releasing | cold state | |||
| 2 | C | All values | 1.45In | t≤1h | Releasing | immediately after the serial number 1 test | |||
| 3 | C | ≤32A | 2.55In | 1s＜t＜60s | Releasing | cold state | |||
| 32A＜In≤63A | 1s＜t＜120s | ||||||||
| 4 | C | All values | 5In(AC) | t≤0.1s | Not releasing | cold state | |||
| 7In(DC) | |||||||||
| 5 | C | All values | 10In(AC) | t≤0.1s | Releasing | cold state | |||
| 15In(DC) | |||||||||
| Tripping type | Rated current A | Rated short-circuit breaking capacity A | Time constant T | ||||||
| C | 1≤In≤63 | 6 000 | 4ms | ||||||
Shape and installation dimensions
