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We offer fantastic energy in high quality and enhancement,merchandising,profits and promoting and procedure for MCB and Switch, We’ve got won a good reputation among overseas and domestic clients. Adhering to the management tenet of “credit oriented, customer first, high efficiency and mature services”, we warmly welcome friends from all walks of life to cooperate with us.
We offer fantastic energy in high quality and enhancement,merchandising,profits and promoting and procedure for Hot sale L7 Series Miniature Circuit Breaker Knb6-63 10ka MCB 1p 2p 3p 4p 6-63A with Ce CB Semko Sirim IEC/En60898, With a wide range, good quality, realistic charges and stylish designs,Our products and solutions are widely recognized and trusted by users and can fulfill continuously changing economic and social needs.
Hot sale MCB and Switch, We’ve got won a good reputation among overseas and domestic clients. Adhering to the management tenet of “credit oriented, customer first, high efficiency and mature services”, we warmly welcome friends from all walks of life to cooperate with us.
Model No.
Product Categories
Rated voltage: 230V/400V (unipolar 230V, two-pole, three-pole and four-pole 400V);
Main technical data
The overcurrent release characteristics of the circuit breaker under normal installation conditions and reference ambient temperature (30-35)℃ are in accordance with the provisions of Table 1.
The main technical performance indicators of the circuit breaker are shown in Tables 1 and 2.
| No. | Tripping type | Rated current In | Test current A | Approximate time | Expected result | Starting state | |||
| 1 | C、D | All values | 1.13In | t≤1h | does not decouple | cold state | |||
| 2 | C、D | All values | 1.45In | t≤1h | decouple | immediately after the serial number 1 test | |||
| 3 | C、D | ≤32A | 2.55In | 1s＜t＜60s | decouple | cold state | |||
| 32A＜In≤63A | 1s＜t＜120s | ||||||||
| 4 | C | 5In | t≤0.1s | does not decouple | cold state | ||||
| D | 10In | ||||||||
| 5 | C | All values | 10In | t≤0.1s | decouple | cold state | |||
| D | 20In | decouple | |||||||
| Tripping type | Rated current A | Rated short-circuit breaking capacity A | COSφ | ||||||
| C、D | 1≤In≤63 | 10 000 | 0.45~0.50 | ||||||
Shape and installation dimensions
