Description
KNB1-63 Series Miniature Circuit Breaker is designed with an appealing aesthetic and robust functionality. This circuit breaker features a sound structure and high breaking capacity, ensuring safety in electrical applications. Ideal for AC lines operating at 50/60Hz with a rated working voltage of 240V/415V and a rated current of 63A, it provides reliable protection against overload and short-circuit situations. The MCB is conveniently mounted on a standard DIN rail, making installation effortless. It also complies with GB10963 and IEC/EN60898 standards, guaranteeing quality and safety.
Specifications
| Attribute | Details |
|---|---|
| Frame Class | 63A |
| Rated Working Voltage | 240V/415V |
| Rated Frequency | 50/60Hz |
| Rated Working Current | 1A, 3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Making and Breaking Capacity | 6000A (6~40A), 4500A (50A, 63A) |
| Release Type | B, C, D |
| Poles | 1, 2, 3, 4P |
| Mechanical Life | 20000 |
| Electric Life | 4000 |
Additional Information
| Sequence NO | Release Type | Test Current I/In | Start State | Tripping Time | Expected Result |
|---|---|---|---|---|---|
| 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 < t < 60s (In ≤ 32A) 1s < t < 120s (In > 32A) |
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 |
