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Home  /  Terminals  /  Terminals & Bars  / 

CHINT NXBLE-125 Residual Current Operated Circuit Breaker (RCBO)

CHINT NXBLE-125 Residual Current Operated Circuit Breaker (RCBO)

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Category: Terminals & Bars
Brand: CHINT
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Description
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CHINT NXBLE-125 Residual Current Operated Circuit Breaker (RCBO),
offers comprehensive protection by combining overload, short-circuit,
and residual current protection in one device. Engineered for industrial,
commercial, and residential applications, it ensures reliable circuit isolation and human safety under fault conditions.
With a high breaking capacity of up to 10kA, rated current up to 125A,
and compliance with IEC/EN 60947-2, the NXBLE-125 delivers superior performance and durability in demanding low-voltage distribution systems.

  • Function: Protection against overload, short-circuit, and earth leakage faults
  • Standard Compliance: IEC/EN 60947-2
  • Rated Current (In): 63A, 80A, 100A, 125A
  • Rated Voltage (Ue):
    • 230V~ (1P+N, 2P)
    • 400V~ (3P, 3P+N, 4P)
  • Rated Frequency: 50/60Hz
  • Number of Poles: 1P+N, 2P, 3P, 3P+N, 4P
  • Tripping Characteristics:
    • C Curve (5–10In)
    • D Curve (10–16In)
  • Rated Residual Operating Current (IΔn): 0.03A, 0.05A, 0.075A, 0.1A, 0.3A
  • Type of Residual Current: AC Type
  • Rated Short-Circuit Breaking Capacity (Icu): 10kA
  • Rated Service Short-Circuit Capacity (Ics): 7.5kA
  • Rated Impulse Withstand Voltage (Uimp): 4kV
  • Rated Insulation Voltage (Ui): 500V
  • Rated Residual Making and Breaking Capacity (IΔm): 1000A
  • Electrical Life:
    • 6,000 operations (In ≤ 100A)
    • 4,000 operations (In > 100A)
  • Mechanical Life: 20,000 operations
  • Operating Temperature: −35°C to +70°C
  • Storage Temperature: −35°C to +85°C
  • Altitude: ≤2000m
  • Pollution Degree: II
  • Protection Degree:
    • IP20 (device only)
    • IP40 (when installed in distribution box)
  • Terminal Connection Type: Cable or busbar connection
  • Terminal Capacity: 16–50mm²
  • Tightening Torque: 3.5N·m
  • Mounting: DIN rail (TH35-7.5)
  • Connection: Top or bottom wiring supported
  • Dimensions (approx.): Height 86mm × Depth 76.5mm × Width (per pole) 18mm
  • Certifications: CE, RoHS

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