KNB1-32 Miniature Circuit Breaker
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The KNB1-32 Miniature Circuit Breaker is designed with a sleek appearance and robust functionality. Its structure is well-engineered, ensuring reliability and high breaking capacity. This circuit breaker is easy to install on a standard din rail, making it user-friendly. It operates on AC 50/60Hz with a rated working voltage of 240V and a rated current of up to 32A, offering protection against overload and short-circuit conditions. Additionally, it can function for infrequent on-and-off operations and changeovers, complying with GB10963 and IEC/EN60898 standards.
Specifications
| Attribute | Value |
|---|---|
| Frame class | 32A |
| Rated working voltage | 240V |
| Rated frequency | 50/60Hz |
| Rated working current | 1, 3, 6, 10, 16, 20, 25, 32A |
| Making and breaking capacity | 3000A |
| Release type | C |
| Poles | 1P+N |
| Mechanical life | 8000 |
| Electric life | 4000 |
Additional Information
| Sequence NO. | Release | Test current I/In | Start state | Tripping time | Expected result |
|---|---|---|---|---|---|
| 1 | C | 1.13In | Cold state | t < 1h | Not tripping |
| 2 | C | 1.45In | Start right after the serial NO. 1 test | t < 1h | Tripping |
| 3 | C | 2.55In | Cold state | 1s < t < 60s | Tripping |
| 4 | C | 5In | Cold state | t < 0.1s | Not Tripping |
| 5 | C | 10In | Cold state | t < 0.1s | Tripping |
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