CHINT NB3L-40 Residual Current Operated Circuit Breaker,
- Function: Combined overload, short-circuit, and residual current protection
- Standards Compliance: IEC/EN 61009-1
- Rated Voltage (Ue): 400/415 V AC
- Rated Current (In): 6 A, 10 A, 13 A, 16 A, 20 A, 25 A, 32 A, 40 A
- Poles: 3P+N
- Rated Frequency: 50/60 Hz
- Tripping Curves:
- B Curve: For resistive circuits and long cables
- C Curve: For mixed resistive/inductive loads
- D Curve: For high-inductive loads with high inrush current
- Rated Residual Operating Current (IΔn): 30 mA, 100 mA, 300 mA
- Leakage Type: Type A and AC (pulsed DC and AC sensitivity)
- Rated Short-circuit Capacity (Icn): 10 kA
- Rated Residual Making/Breaking Capacity (IΔm): 6,000 A
- Insulation Voltage (Ui): 500 V
- Rated Impulse Withstand Voltage (Uimp): 4 kV
- Dielectric Test Voltage: 2 kV for 1 minute
- Mechanical Life: 10,000 operations
- Electrical Life: 4,000 operations
- Break Time Under IΔn: ≤ 0.1 s
- Ambient Operating Temperature: –5 °C to +40 °C (average ≤ 35 °C)
- Storage Temperature: –25 °C to +70 °C
- Temperature Derating Reference: 30 °C; coefficient reduces to 0.80 at 70 °C
- Pollution Degree: 2
- Protection Degree: IP20
- Mounting Type: DIN rail EN 60715 (35 mm)
- Connection Type: Cable, U-type busbar, or pin-type busbar (top/bottom)
- Terminal Capacity:
- Cable: up to 25 mm² (AWG 18–3)
- Busbar: 10 mm² (AWG 18–8)
- Tightening Torque: 2 N·m (≈ 18 in·lbs)
- Certifications: CE, CB, KEMA, RoHS
