Function and use
Operate outside the box, safe and worry-free
Detailed description
Parameters:
Rated operating current: 1-63A
Rated breaking capacity: 6kA
Rated impulse withstand voltage: 6kV
Using ambient temperature: -35°C~+70°C
Advantages/core functions:
01 Excellent performance
Stronger breaking, higher voltage resistance, safety and reliability, stable power consumption
02 Flexible and easy to use
Innovative design of explosion-proof handle to achieve safe operation outside the box
Optimize the internal structure of the components and the quick closing mechanism to increase safety
Detailed parameters
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| Parameter classification | Parameter items | Parameter value |
|---|
| Product model | | NBS-63/NFB |
| Rated current In(A) | | 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 |
| Rated voltage Ue(V) | | AC230/400(1P)
AC230(1P+N)
AC400(2P, 3P, 3P+N, 4P) |
| Rated frequency (Hz) | | 50 |
| Number of poles | | 1P, 1P+N, 2P, 3P, 3P+N, 4P |
| Mechanical life (times) | | 4000 |
| Electrical life (times) | | 4000< /td> |
| Rated short-circuit breaking capacity Icn(A) | | 6000 |
| Operating short-circuit breaking capacity Ics(A) | | 6000 |
| Rated insulation voltage Ui(V) | | 500 |
| Rated impulse withstand voltage Uimp(kV) | | 4 |
| Dielectric test voltage | | 2000 (50Hz, 1 minute) |
| Vibration resistance (IEC/EN 60068-2-6) | | Where there is no obvious vibration and impact |
| Connecting terminals | Most Minimum connectable conductor cross-sectional area (mm²) | 1 |
| Maximum connectable conductor cross-sectional area (mm²) | 25 |
| Standard connection torque (N·m) | 2.0 |
| Maximum withstandable torque (N·m) | 2.5 |
| Wire insertion depth (mm) | 13 |
| Reference temperature (℃) | | 30 |
| Working ambient temperature (℃) | | -35~+70 |
| Storage ambient temperature (℃) | < /td> | -35~+85 |
| Applicable altitude (m) | | ≤2000 |
| Tripping form | | Thermal magnetic tripping |
| Instant tripping type | Type B (3ln~5ln) | ■ |
| Type C (5ln~10ln) | ■ |
| Type D (10ln~16ln) | ■ |
| Cable entry method | | Both up and down |
| Installation method | | TH35-7.5 standard guide rail |
| Pollution level | | 2 |
| Protection level | Direct installation | IP20 |
| < /td> | Installed in distribution box | IP40 |
| Assembly accessories | | AX-B5, AL-B5, SHT-B5, OVT-B5, UVT-B5, OUVT-B5 |
