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Home  /  Terminals & Bars  / 

CHINT NXHB-125 Switch Disconnector

CHINT NXHB-125 Switch Disconnector

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Category: Terminals & Bars
Brand: CHINT
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Description
Shipping & delivery

CHINT NXHB-125 Switch Disconnector,
is designe for reliable isolation and control in low-voltage distribution systems up to 125A.
Complying with IEC60947-3, it provides safe manual disconnection for electrical circuits under load,
ensuring both operational safety and maintenance convenience. Built with compact modular design, high dielectric strength,
and robust mechanical endurance, the NXHB-125 is ideal for residential, commercial, and industrial power applications requiring dependable isolation performance.

  • Standard Compliance: IEC60947-3
  • Certifications: CE, RoHS
  • Function: Electrical isolation and manual disconnection under load
  • Rated Current (Ie): 20A, 32A, 40A, 63A, 80A, 100A, 125A
  • Rated Operational Voltage (Ue):
    • 240V~ for 1P models
    • 415V~ for 2P, 3P, and 4P models
  • Rated Insulation Voltage (Ui): 500V
  • Rated Impulse Withstand Voltage (Uimp): 6kV
  • Rated Short-Time Withstand Current (Icw): 12Ie (1s power-on time)
  • Rated Short-Circuit Making Capacity (Icm): 20Ie (0.1s power-on time)
  • Rated Making and Breaking Capacity: 3Ie, 1.05Ue, COSΦ = 0.65
  • Utilization Category: AC-22A, AC-21B
  • Mechanical Life: 10,000 cycles
  • Electrical Life: 3,000 cycles
  • Pollution Degree: Class II
  • Installation Category: II / III
  • Mounting Method: TH35-7.5 steel rail (DIN rail)
  • Mounting Inclination: ≤5° from vertical plane
  • Wiring Method: Screw clamp terminals
  • Tightening Torque:
    • 2.0 N·m (20A–63A)
    • 3.5 N·m (80A–125A)
  • Degree of Protection:
    • IP20 (direct mounting)
    • IP40 (when installed in distribution box)
  • Number of Poles: 1P, 2P, 3P, 4P
  • Frame Size: 125A frame
  • Typical Dimensions:
    • Width: 18 mm per pole
    • Height: 80 mm
    • Depth: 76.3–78 mm depending on configuration
  • Available Configurations:
    • 1P: AC240V, 20–125A
    • 2P: AC415V, 20–125A
    • 3P: AC415V, 20–125A
    • 4P: AC415V, 20–125A

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