We constantly execute our spirit of ”Innovation bringing progress, Highly-quality making sure subsistence, Administration advertising advantage, Credit rating attracting consumers for Hot-selling DC Miniature Circuit Breaker MCB L7, In a word, when you choose us, you choose a ideal existence. Welcome to visit our factory and welcome your get! For even further inquiries, remember to usually do not hesitate to make contact with us.
We constantly execute our spirit of ”Innovation bringing progress, Highly-quality making sure subsistence, Administration advertising advantage, Credit rating attracting consumers for MCB L7 and 6ka 10ka, The products has a good reputation with competitive price, unique creation, leading the industry trends. The company insists on the principle of win-win idea, has establishedglobal sales network and after-sales service network.
We constantly execute our spirit of ”Innovation bringing progress, Highly-quality making sure subsistence, Administration advertising advantage, Credit rating attracting consumers for Hot-selling DC Miniature Circuit Breaker MCB L7, In a word, when you choose us, you choose a ideal existence. Welcome to visit our factory and welcome your get! For even further inquiries, remember to usually do not hesitate to make contact with us.
Hot-selling MCB L7 and 6ka 10ka, The products has a good reputation with competitive price, unique creation, leading the industry trends. The company insists on the principle of win-win idea, has establishedglobal sales network and after-sales service network.
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