Function and Usage
External Operation, Safe and Secure
Detailed Description
Parameters:
Rated Working Current: 6-63A
Rated Breaking Capacity: 10kA
Rated Insulation Voltage: 500V
Operating Environmental Temperature: -35°C~+70°C
Advantages/Core Functions:
01 Excellent Performance
Stronger Breaking Capacity, Higher Withstand Voltage, Safe and Reliable, Stable Power Supply
02 Flexible and Easy to Use
Innovative Explosion-Proof Handle Design, Achieving Safe External Operation
Optimized Internal Component Structure, Quick Closing Mechanism Enhances Safety
Detailed Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| Product Model | | NB5LE-63HFB |
| Rated Current In(A) | | 6, 10, 16, 20, 25, 32, 32, 40, 50, 63 |
| Rated Voltage Ue(V) | | AC230(1P+N、2P)
AC400(3P、3P+N、4P) |
| Rated Frequency (Hz) | | 50 |
| Poles | | 1P+N, 2P, 3P, 3P+N, 4P |
| Mechanical Life (Times) | | 4000 |
| Electrical Life (Times) | | 4000 |
| Rated Breaking Capacity Icn(A) | | 10000 |
| Running Short Circuit Breaking Capacity Ics(A) | | 7500 |
| Rated Insulation Voltage Ui(V) | | 500 |
| Rated Impulse Withstand Voltage Uimp(kV) | | 4 |
| Rated Residual Current Action Current I△n(mA) | | 1 |
| Residual Current Protection Type | | AC Type, A Type |
| Tripping Device Action Type | | Electronic Type |
| Dielectric Test Voltage (V) | | 2000 (50Hz, 1 minute) |
| Vibration Resistance (IEC/EN 60068-2-6) | | No Obvious Vibration and Impact |
| Wiring Terminal | Minimum Wire Cross-sectional Area (mm²) | 1 |
| Maximum Wire Cross-sectional Area (mm²) | 25 |
| Standard Connection Torque (N·m) | 2.0 |
| Maximum Allowable Torque (N·m) | 2.5 |
| Wire Insertion Depth (mm) | 13 |
| Reference Temperature (℃) | | 30 |
| Working Environmental Temperature (℃) | | -35~+70 |
| Storage Environmental Temperature (℃) | | -35~+85 |
| Applicable Altitude (m) | | ≤2000 |
| Tripping Form | | Thermal Magnetic Tripping |
| Instantaneous Tripping Type | B Type (3ln~5ln) | ■ |
| C Type (5ln~10ln) | ■ |
| D Type (10ln~16ln) | ■ |
| Input Method | | Top Input |
| Installation Method | | TH35-7.5 Standard Rail |
| Pollution Level | | 2 |
| Protection Level | Direct Installation | IP20 |
| Installed in Distribution Box | IP40 |
| Modular Accessories | | AX-B5, AL-B5, SHT-B5, OVT-B5, UYT-B5, OUVT-B5 |
