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Switch Disconnector 250A 3P 690V NH40 Chint

BRAND: CABAC
SKU: 393277
$373.60 List price: $498.20
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Chint NH40 switch disconnector features 250A 3P rating, up to 690V AC to IEC/EN 60947-3. Ideal for manual isolation of supply in industrial switchboards.

Alternatively Known As: Manual isolator switch, load-break switch, low-voltage switch disconnector

Technical Specifications
  • Rated Current: 250A
  • Number of Poles: 3P
  • Rated Operational Voltage: Up to 690V AC
  • Rated Direct-Current Voltage: Up to 440V DC
  • Frequency: 50Hz
  • Rated Insulation Voltage: 800V
  • Utilisation Category at 400V AC: AC-21B 250A, AC-22B 250A, AC-23A 250A
  • Utilisation Category at 690V AC: AC-21B 250A, AC-22B 160A, AC-23A 80A
  • Operating Mechanism: Direct rotary handle
  • Product Code: NH40-250/3
  • Manufacturer Standard: IEC/EN 60947-3
  • Dimensions (H x L x W): 145mm x 180mm x 170mm
  • Weight: 2 kg
Key Features
  • Provides manual connection, disconnection and electrical isolation
  • Three-pole configuration for three-phase industrial distribution systems
  • Suitable for industrial switchboards and low-voltage power distribution
  • Designed for frequent switching and isolation in the 125A to 630A range
  • Direct rotary handle operation
  • Suitable for systems up to 690V AC and 440V DC
  • Available in standard and externally operated handle configurations within the NH40 series
Professional Installation Requirements
  • Installation, wiring and commissioning must be performed by a licensed electrician in accordance with AS 60947.3:2018, AS/NZS 3000 and applicable local electrical regulations. Isolate and verify the supply before installation or maintenance.
Applications
  • Industrial switchboards
  • Three-phase power distribution
  • Manual isolation of electrical supplies
  • Commercial and industrial machinery isolation
  • Low-voltage distribution panels
Standards & Compliance
  • IEC/EN 60947-3 stated by the manufacturer
  • AS 60947.3:2018 is the applicable Australian standard for switches, disconnectors and switch-disconnectors; confirm local product approval and installation requirements before use
Environmental Benefits
  • Durable electromechanical construction can extend service life and reduce replacement waste
  • Metal components such as copper and steel are recyclable at end of service life
  • Supports safe isolation and maintenance of electrical systems, helping extend the useful life of connected equipment
Warranty Information

CHINT low-voltage apparatus is covered for 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable sales contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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