Shop for CHINT NB4LE Residual Current Operated Circuit Breaker (Electronic)

CHINT NB4LE Residual Current Operated Circuit Breaker (Electronic),

delivers advance residual current, overload, and short-circuit protection in one compact design.
Engineere to meet IEC/EN 61009-1 standards, it ensures high reliability and user safety in residential and commercial circuits.
With rated currents up to 40A, sensitivity levels of 30mA and 100mA, and Type A or F detection,
the NB4LE series offers fast fault response and enhanced immunity to nuisance tripping, ensuring continuous power and dependable performance.

Standard Compliance: IEC/EN 61009-1
Rated Current (In): 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A
Rated Voltage (Ue): 230/240V AC
Rated Residual Operating Current (IΔn): 30mA or 100mA
Type of RCD:
- TypeA–Detects AC and pulsating DC residual currents
- TypeF–Detects mixed frequencies, resistant to DC up to 10mA, reduced nuisance tripping
Tripping Curves:
- B Curve: Resistive or long cable protection (3–5In)
- C Curve: Inductive/resistive loads (5–10In)
- BK/CK Curves: Enhanced protection with precise thermal-magnetic operation
Rated Short-circuit Breaking Capacity (Icn): 10kA
Rated Residual Making and Breaking Capacity (IΔm): 3kA
Rated Frequency: 50/60Hz
Dielectric Test Voltage: 2kV for 1 minute
Rated Impulse Withstand Voltage (Uimp): 4kV
Rated Insulation Voltage (Ui): 500V
Poles: 2P
Operating Temperature: −25°C to +70°C
Storage Temperature: −25°C to +70°C
Pollution Degree: 2
Mechanical Life: 10,000 operations
Electrical Life: 4,000 operations
Protection Degree: IP20
Mounting: DIN Rail EN 60715 (35mm)
Connection: Bottom electrical feeding
Terminal Capacity: 18–3 AWG (up to 25mm² cable)
Tightening Torque: 2 N·m (18 in-lbs)
Temperature Derating Reference: 30°C (coefficient: 1.0)
Dimensions (mm):
- Height: 86
- Width: 36
- Depth: 78.1
Certifications: CE, CB