Application
KNB1-63 series
Miniature Circuit Breaker is nice in appearance, reasonable in structure, sound in feature and high in breaking capacity. Installed with standard din rail, it is convenient and easy in usage. It is mainly used in the line of AC 50/60Hz, rated working voltage to 240V/415V, and rated current to 63A as protection against overload and short-circuit. It can be used as infrequent on-and-off operation and changeover.
It complies with standard of GB10963 and IEC/EN60898.
Miniature Circuit Breaker
Electronics Miniature Circuits Breaker
Automatic Miniature Circuit Breaker
Mini Circuit Breaker
MCB
Sequence
NO . | Release | Test
current I/In | Start state | Tripping
time | Expected
restlt |
| 1 | B,C,D | 1.13In | Cold state | t≤1h | Not tripping |
| 2 | B,C,D | 1.45In | Start right after
the serial NO .
1 test | t<1h | Tripping |
| 3 | B,C,D | 2.55In | Cold state | 1s | Tripping | |
| 4 | B
C
D | 3In
5In
10In | Cold state | t≤0.1s | Not tripping |
| 5 | B
C
D | 5In
10In
20In | Cold state | t<0.1s | Tripping |
| Frame class | 63A |
| Rated working voltage | 240V/415V |
| Rated frequency | 50/60Hz |
| Rated working current | 1,3,6,10,16,20,25,32,40,50,63A |
| Making and breaking capacity | 6000A(6~40A),4500A(50,63A) |
| Release type | B,C,D |
| Poles | 1,2,3,4P |
| Mechanical life | 20000 |
| Electric life | 4000
|
Product Categories : Miniature Circuit Breaker > KNB1-63 Miniature Circuit Breaker
Inquiry Basket ( 
Scan to visit
