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Isolator Switch Disconnector 3P 125A DIN Rail NH4 Chint

BRAND: CABAC
SKU: 398034
$82.40 List price: $109.90
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Chint NH4-125 switch disconnector features 3P 125A isolation to IEC/EN 60947-3 and DIN rail mount. Ideal for main switch and isolation duty.

Alternatively Known As: 3-Pole Isolator Switch, Main Switch Isolator, DIN Rail Switch-Disconnector

Technical Specifications
  • Device Type: Switch disconnector and isolator
  • Number of Poles: 3P
  • Rated Current: 125A
  • Rated Operational Voltage: 400/415V AC
  • Rated Frequency: 50/60Hz
  • Utilisation Category: AC-22A
  • Rated Insulation Voltage: 500V
  • Rated Impulse Withstand Voltage: 4kV
  • Rated Short-Time Withstand Current: 1,500A for 1 second
  • Rated Short-Circuit Making Capacity: 2,500A for 0.1 seconds
  • Electrical Life: 1,500 operations
  • Mechanical Life: 8,500 operations
  • Protection Rating: IP20
  • Terminal Capacity: Up to 35mm² cable
  • Terminal Tightening Torque: 2.5N·m
  • Connection: Top or bottom entry
  • Mounting: TH35-7.5 DIN rail or panel mount
  • Compatibility: CHINT NB series MCBs and RCBOs
  • Overcurrent Protection: Not provided; separate circuit protection is required
  • Dimensions (H x L x W): 86.4mm x 77mm x 54mm
  • Weight: 0.264 kg
Key Features
  • Provides manual isolation and load switching for three-phase circuits
  • 125A rating for main switch and distribution applications
  • DIN rail mounting in modular distribution boards
  • Suitable for 400/415V AC systems
  • AC-22A utilisation category for mixed resistive and inductive loads
  • Top or bottom cable connection
  • Accepts cable, pin-type busbar and U-type busbar connections
  • Clear isolation function in the open position
  • Compact 3-module design
  • SAA/RCM certification scope includes the NH4-125 3P 125A model
Professional Installation Requirements
  • Installation and connection to mains electrical systems must be performed by a licensed electrician in accordance with AS/NZS 3000 and applicable local requirements. This switch disconnector does not provide automatic overload or short-circuit protection.
Applications
  • Main switch isolation in residential distribution boards
  • Three-phase commercial and industrial distribution panels
  • Isolation of downstream circuits for maintenance and servicing
  • Low-voltage control and power distribution systems
Standards & Compliance
  • AS 60947.3:2023 certification for low-voltage switches, disconnectors and switch-disconnectors
  • SAA/RCM certification scope includes CHINT NH4-125 3P 125A
  • Installation to comply with AS/NZS 3000 Wiring Rules
Environmental Benefits
  • RoHS documentation is available for the NH4 switch disconnector range, restricting specified hazardous substances
  • Long mechanical service life can reduce replacement frequency and associated product waste
  • Metal and thermoplastic components can be separated for appropriate recycling at end of service life
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to contract terms and exclusions.

Available Now

Available through authorised CHINT distributors in Australia.

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