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Switch Disconnector 400A 3P 690V NH40 Chint

BRAND: CABAC
SKU: 393279
$571.50 List price: $761.90
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Chint NH40 switch disconnector features 400A 3P rating, up to 690V AC to IEC/EN 60947-3. Ideal for manual isolation of supply in industrial switchboards.

Alternatively Known As: 400A 3P Isolator, Load Break Switch, Manual Switch Disconnector

Technical Specifications
  • Rated Current: 400 A
  • Number of Poles: 3P
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage: Up to 1000 V
  • Rated Frequency: 50 Hz
  • Utilisation Categories: AC-21B, AC-22B and AC-23A
  • Operating Mechanism: Direct rotary handle
  • Connection Type: Bolted terminal connection
  • Protection Rating: IP20
  • Operating Force: Approximately 65–100 N
  • Compliance: IEC/EN 60947-3
  • Dimensions (H x L x W): 240mm x 195mm x 230mm
  • Weight: 5.1 kg
Key Features
  • Manual connection, disconnection and supply isolation
  • Suitable for industrial distribution systems and switchboards
  • Three-pole configuration for three-phase circuits
  • Supports resistive, mixed resistive and inductive loads
  • AC-23A utilisation category supports suitable motor-load switching applications
  • Panel-mounted construction with direct rotary handle
  • Compact modular design with optional handle and accessory configurations
Professional Installation Requirements
  • Installation and commissioning must be performed by a licensed electrical contractor. The device is intended for integration into a suitably designed and verified switchboard, with installation carried out in accordance with AS/NZS 3000, AS/NZS 61439 and the manufacturer's instructions.
Applications
  • Main isolation in industrial switchboards
  • Three-phase power distribution systems
  • Industrial control panels
  • Motor control and supply isolation circuits
  • Commercial and industrial electrical maintenance isolation
Standards & Compliance
  • AS 60947.3:2018 for low-voltage switches, disconnectors and switch-disconnectors
  • AS/NZS 3000 requirements apply to the electrical installation
  • AS/NZS 61439.1 and AS/NZS 61439.2 apply to the completed low-voltage switchboard assembly
Environmental Benefits
  • Metal components can be recovered and recycled at end of service life
  • Durable switchgear construction can reduce replacement frequency and material waste
  • Manual isolation does not consume standby energy when the device is in the open or closed state
Warranty Information

CHINT's general warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold 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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