Functional purposes
1 Comply with standard GB/T 10963.1, IEC 60898-1
Detailed parameters
| Parameter classification | Parameter item | Parameter value |
|---|
| Rated current | 1n | 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A. |
| Rated working voltage | Ue | 230V~(1P, 1P+N), 400V~(2P~4P, 3P+N). |
| Rated insulation voltage | Ui | 500V. |
| Frequency | | 50Hz. |
| Instant tripping characteristics | | B, C, D. |
| Number of poles | | 1P, 1P+N, 2P, 3P, 3P+N, 4P. |
| Mechanical life | | 20,000 times. |
| Electrical life | | 10,000 times. |
| Rated short-circuit breaking capacity | Icn | 10000A. |
| Operating short-circuit breaking capacity | Ics | 7500A. |
| Rated impulse withstand voltage | Uimp | 4kV. |
| Power consumption per pole of circuit breaker | | See Table 1. |
| Parameter classification | Parameter item | Parameter value |
| Rated current In(A) | Maximum power consumption per pole (W) | |
| 1n ≤ 10 | | 3 |
| 10 < 1n ≤ 16 | | 3.5 |
| 16 < 1n ≤ 25 | | 4.5 |
| 25 < 1n ≤ 32 | | 6 |
| 32 < 1n ≤ 40 | | 7.5 |
| 40 < 1n ≤ 50 | | 9 |
| 50 < 1n ≤ 63 | | 13 |
| Parameter classification | Parameter item | Parameter value |
| Product model | | NXB-63H |
| Multiple products arranged side by side Installation derating coefficient (recommended value) | ≤3 units | (0.9~0.95)1n |
| 4~6 units | (0.80~0.86)1n |
| 7~9 units | (0.76 ~0.78)1n |
| >9 units | 0.761n |
| Rated current correction coefficient for high altitude use (recommended value) | ≤2000m | 1n |
| 3000m | 0.961n |
| 4000m | 0.941n |
| 5000m | 0.921n |
