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Modular Contactor 25A 4NO Manual Override 220-240V NCH8 Chint

BRAND: CABAC
SKU: 257478
$105.80 List price: $141.00
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Chint NCH8 modular contactor features 25A rating, 4NO contacts, 220-240V AC coil with manual override, DIN rail mount. Ideal for lighting and heating loads.

Alternatively Known As: Manual modular contactor, DIN rail contactor, 4-pole contactor, lighting contactor, heating contactor

Technical Specifications
  • Rated Current AC-7a: 25 A
  • Rated Current AC-7b: 9 A
  • Main Contacts: 4 normally open contacts
  • Coil Voltage: 220-240 V AC
  • Coil Frequency: 50/60 Hz
  • Rated Operating Voltage: Up to 400 V AC
  • Rated Insulation Voltage: 500 V
  • Utilisation Categories: AC-7a and AC-7b
  • Manual Control: Off, Auto, On and maintained manual override positions
  • Mounting: TH35-7.5 DIN rail
  • Protection Rating: IP20
  • Electrical Life: Up to 80,000 operations
  • Mechanical Life: Up to 1,000,000 operations
  • Terminal Torque: 0.8 N.m control circuit and 3.5 N.m power circuit
  • Dimensions (H x L x W): 81.5mm x 73.5mm x 36mm
  • Weight: 0.5 kg
Key Features
  • 25 A modular AC contactor with four normally open contacts
  • 220-240 V AC electromagnetic coil suitable for Australian supply systems
  • Front-mounted manual override for testing, commissioning and maintenance
  • Three-position Off, Auto and On selector with maintained manual override function
  • Compact two-module DIN rail format
  • Suitable for lighting, heating, domestic appliances and low-inductive AC loads
  • Requires suitable short-circuit protection as the contactor is not designed to interrupt short-circuit current
Professional Installation Requirements
  • Installation and connection to mains-voltage circuits should be performed by a licensed electrician in accordance with AS/NZS 3000 and applicable state or territory electrical requirements. Provide suitable short-circuit protection and verify load suitability before commissioning.
Applications
  • Lighting circuit control
  • Electric heating and resistance loads
  • Domestic appliance switching
  • Building services control panels
  • Residential, commercial and light industrial automation systems
  • Remote or local control of low-inductive AC loads
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.4.1:2015 for electromechanical contactors and motor-starters
  • Electrical installation reference: AS/NZS 3000:2018 Wiring Rules
  • Manufacturer specification references IEC/EN 61095 and IEC/EN 60947-4-1
Environmental Benefits
  • Long mechanical life of up to 1,000,000 operations can reduce replacement frequency and product waste
  • Efficient switching and scheduled control of lighting and heating loads can support improved energy management
  • Metallic and polymer components may be recoverable through appropriate electrical equipment recycling streams
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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