CHINT NXBLE-63Y Residual Current Operated Circuit Breaker

CHINT NXBLE-63Y Residual Current Operated Circuit Breaker,
combines residual current, overload, and short-circuit protection in one compact device.
it is Designe for AC 230V and 400V systems, it offers enhanced safety for residential, commercial,
and light industrial applications. With rated currents up to 63A, 6kA breaking capacity,
and Type C and D tripping curves, this model ensures reliable operation, precise fault detection, and long electrical life, compliant with IEC61009-1 standards.

• Standards Compliance: IEC61009-1
• Certification: CE
• Main Functions: Overload protection, short-circuit protection, residual current protection
• Rated Current (In): 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
• Rated Residual Operating Current (IΔn): 0.01A, 0.03A, 0.1A, 0.3A
• Rated Voltage (Ue):
  • 1P+N / 2P: AC230V
  • 3P / 3P+N / 4P: AC400V
• Rated Frequency: 50Hz
• Tripping Characteristics: Type C, Type D thermal-magnetic release
• Number of Poles: 1P+N, 2P, 3P, 3P+N, 4P
• Rated Short-Circuit Breaking Capacity (Icu): 6000A
• Rated Service Short-Circuit Capacity (Ics): 6000A
• Rated Impulse Withstand Voltage (Uimp): 4kV
• Mechanical Life: 20,000 cycles
• Electrical Life: 10,000 cycles
• Temperature Derating:
  • Maintains 100% rated current at 30°C
  • 95% at 50°C
  • 84–86% at 70°C
• Operating Temperature Range: –35°C to +70°C
• Mounting Type: 35mm DIN rail
• Dimensions (mm):
  • 1P+N / 2P: L 76.8 × W 36 × H 76.5 / H1 42.5
  • 3P / 3P+N: L 92.5 × W 72 × H 78 / H1 49.5
  • 4P: L 92.5 × W 90 × H 78 / H1 49.5
• Protection Degree: IP20
• Application: Residential, commercial, and industrial low-voltage networks