CHINT NXBLE-125G Residual Current Operated Circuit Breaker,
combines overload, short-circuit, and residual current protection in one device for AC 230/400V 50Hz systems.
it is Designe for residential, commercial, and industrial power distribution, it ensures safe isolation and automatic disconnection in fault conditions. Built to comply with IEC61009-1, this high-capacity RCBO offers a breaking capacity up to 10kA, excellent electrical endurance, and compact modular construction for easy DIN rail installation.
- Compliant Standards: IEC61009-1
- Certifications: CE, RoHS
- Functions: Overload protection, short-circuit protection, isolation, residual current operation
- Rated Current (In): 63A, 80A, 100A (1P+N, 2P, 3P, 3P+N, 4P); 125A (1P+N, 2P)
- Rated Residual Operating Current (IΔn): 0.03A, 0.05A, 0.075A, 0.1A, 0.3A
- Leakage Protection Type: AC type
- Rated Voltage (Ue):
- 230V AC for 1P+N, 2P
- 400V AC for 3P, 3P+N, 4P
- Rated Frequency: 50Hz
- Tripping Curve: B, C, D types
- Number of Poles: 1P+N, 2P, 3P, 3P+N, 4P
- Mechanical Life: 20,000 operations
- Electrical Life: 6,000 cycles (In ≤ 100A), 4,000 cycles (In > 100A)
- Rated Short-Circuit Breaking Capacity (Icn): 10,000A
- Short-Circuit Breaking Capacity (Ics): 7,500A
- Rated Impulse Withstand Voltage (Uimp): 4kV
- Dielectric Test Voltage: 2000V (1 min, power frequency)
- Operating Temperature Range: –35°C to +70°C
- Storage Temperature Range: –35°C to +85°C
- Applicable Altitude: ≤2000 m
- Mounting Method: TH35-7.5 DIN rail
- Pollution Degree: Class II
- Protection Degree:
- IP20 (direct mounting)
- IP40 (when installed inside a distribution box)
- Terminal Capacity: 16–50 mm²; tightening torque 3.5 N·m
- Dimensions (mm):
- 1P+N: L = 54.0, H = 75.5
- 2P: L = 81.2, H = 78.5
- 3P: L = 108.0, H = 78.5
- 4P: L = 135.0, H = 78.5

