KNB6-125 Miniature Circuit Breaker
Inquire NowDescription
KNB6-125 Miniature Circuit Breaker is designed to offer robust protection against overloads and short circuits while maintaining a sleek appearance and efficient structure. With a breaking capacity that ensures safety and reliability, this circuit breaker is ideal for usage in AC lines with a frequency of 50/60Hz and a rated working voltage of 240V/415V. It is available in multiple current ratings, including 63A, 80A, 100A, and 125A, making it versatile for various electrical applications.
This circuit breaker is easy to install on standard DIN rails, providing convenience and accessibility for users. It meets the IEC 60947-2 standards, ensuring compliance and reliability.
Specifications
| Attribute | Value |
|---|---|
| Frame Class | 125A |
| Rated Working Voltage | 240V/415V |
| Rated Frequency | 50/60Hz |
| Rated Working Current | 63A, 80A, 100A, 125A |
| Ultimate Short-Circuit Breaking Capacity | 10KA |
| Operative Short-Circuit Breaking Capacity | 7.5KA |
| Release Type | B, C, D |
| Poles | 1, 2, 3, 4P |
| Mechanical Life | 20000 operations |
| Electric Life | 2000 operations |
Additional Information
| Sequence NO. | Release | Test Current I/In | Start State | Tripping Time | Expected Result |
|---|---|---|---|---|---|
| 1 | C | 1.05In | Cold state | t≤2h | Not tripping |
| 2 | C | 1.3In | Start right after the serial NO. 1 test | t＜2h | Tripping |
| 3 | C | 2.55In | Cold state | 1s| Tripping |
|
| 4 | C | 5In | Cold state | t≤0.1s | Not Tripping |
| 5 | C | 10In | Cold state | t＜0.1s | Tripping |
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