CHINT NB8LE-63M Residual Current Operated Circuit Breaker,
integrates residual current and over-current protection in one compact unit,
providing comprehensive safety for modern electrical systems. Designe for residential,
commercial, and industrial applications, it effectively protects against earth leakage,
overload, and short circuits. The NB8LE-63M features electronic detection, high breaking capacity,
and quick disconnection for user safety. Built to IEC/EN 61009-1, it ensures precise protection performance,
easy DIN-rail installation, and reliable operation across various voltage and load conditions.
- Function: Combined protection against overload, short circuit, and earth leakage
- Standard Compliance: IEC/EN 61009-1
- Poles: 1P+N, 2P, 3P+N, 4P
- Rated Current (In): 6 A, 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A
- Rated Voltage (Ue):
- 1P+N / 2P: 230/240 V~
- 3P+N / 4P: 400/415 V~
- Rated Frequency: 50/60 Hz
- Rated Breaking Capacity (Icn): 10 kA
- Rated Residual Operating Current (IΔn): 30 mA, 100 mA, 300 mA
- Tripping Characteristics: B, C, D curves
- Type of Residual Current: Type AC and Type A (for sinusoidal and pulsating DC currents)
- Insulation Voltage (Ui): 500 V
- Rated Impulse Withstand Voltage (Uimp): 4 kV
- Dielectric Test Voltage: 2.5 kV for 1 minute
- Mechanical Life: ≥ 20,000 operations
- Electrical Life: ≥ 10,000 operations
- Operating Temperature: –5 °C to +40 °C (average ≤ 35 °C)
- Storage Temperature: –25 °C to +70 °C
- Mounting Type: DIN-rail 35 mm
- Connection Capacity: 1–25 mm² (rigid conductor)
- Tightening Torque: 2.5 N·m
- Degree of Protection: IP20
- Auxiliary Accessories: Compatible with auxiliary contact, shunt release, and under-voltage release modules
- Installation Position: Vertical (standard)
- Dimensions (1P+N):
- Width: 36 mm
- Height: 80 mm
- Depth: 76 mm
