| Product model | NXB-63 | |
| Compliant standards | IEC60898-1 | |
| Rated current (A) | 1~63 | |
| Rated voltage (V ~) | 240/415 | |
| Rated frequency (Hz) | 50/60 | |
| Number of poles | 1P, 1P+N, 2P, 3P, 3P+N, 4P | |
| Mechanical life (cycles) | 20000 | |
| Electrical life (cycles) | 10000 | |
| Rated short-circuit breaking capacity Icu (A) | 6000 | |
| Short-circuit breaking capacity Icu (A) | 6000 | |
| Rated impulse withstand voltage (1.2 / 50)(kV) | 4 | |
| Dielectric test voltage (V) | (Power frequency 1 minute) 2000 | |
| Anti-humid and heat properties (GB/T2423.4:55℃/90~96%,25℃/95~100%) | 28 cycles | |
| Terminals | Minimum cross section (mm²) | 1 |
| Maximum cross section (mm²) | 25 | |
| Standard connection torque (N·m) | 2 | |
| Maximum withstand torque (N m) | 2.5 | |
| Wire insertion depth (mm) | 12.5 | |
| Reference temperature for setting of thermal element (℃) | 30 | |
| Ambient temperature (℃) | -35~+70 | |
| Ambient storage temperature (℃) | -35~+85 | |
| Applicable altitude (m) | 5000 | |
|
Electromagnetic
trip type
|
Type B (3In ~ 5In) | ■ |
| Type C (5In ~ 10In) | ■ | |
| Type D (10In ~ 14In) | ■ | |
| Type C (6.4In ~ 9.6In) | ||
| Type D (9.6In~14.4In) | ||
|
Derating factor with multiple products side by
side
(recommended value)
|
≤3 | (0.9~0.95)In |
| 4 ~ 6 | (0.86~0.80)In | |
| 7 ~ 9 | (0.78~0.76)In | |
| >9 | 0.76In | |
| Temperature compensation coefficient (recommended value) |
Change for every 10℃ increase from the reference temp | -(0.03~0.05)In |
| Change for every 10℃ decrease from the reference temp | +(0.04~0.07)In | |
| Cable entry | Top or bottom entry | |
| Mounting | TH35-7.5-rail mounting | |
| Pollution degree | Pollution degree Ⅱ | |
| Protection degree | Direct mounting | IP20 |
| Mounted in the distribution box | IP40 | |
| Accessories that can be assembled | AX-X1, AL-X1, SHT-X1, OVT-X1, UVT-X1, OUVT-X1 |
|
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