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MCCB 3P 350A 36kA Thermal Magnetic 400A Frame NM8N Chint

BRAND: CABAC
SKU: 268937
$1,786.60 List price: $2,382.20
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Chint NM8N 350A 3P MCCB features 36kA breaking capacity, thermal-magnetic trip unit and a 400A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Thermal-Magnetic Circuit Breaker, Main Switch Circuit Breaker

Technical Specifications
  • Rated Current: 350 A
  • Frame Size: 400 A
  • Number of Poles: 3P
  • Breaking Capacity: 36 kA at 380/400/415 V AC
  • Trip Unit: Adjustable thermal-magnetic type
  • Thermal Current Adjustment: 0.7–1.0 x In
  • Magnetic Current Adjustment: 5–10 x In
  • Rated Operational Voltage: 380/415 V AC
  • Maximum Operational Voltage: 690 V AC
  • Insulation Voltage: 1000 V AC
  • Impulse Withstand Voltage: 8 kV
  • Utilisation Category: Category A
  • Ingress Protection: IP00; up to IP40 with terminal covers
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 255mm x 113mm x 140mm
  • Weight: 5.735 kg
Key Features
  • Three-pole protection for three-phase electrical distribution systems
  • 400A frame with a 350A adjustable thermal-magnetic trip unit
  • 36kA ultimate breaking capacity at common low-voltage distribution voltages
  • Adjustable overload and instantaneous short-circuit protection
  • Suitable for switchboard mains, sub-mains and industrial distribution applications
  • Can be fitted with compatible accessories for expanded switchboard functionality
Professional Installation Requirements
  • Installation, adjustment and commissioning must be performed by a licensed electrical professional in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Verify local approval and RCM requirements before installation.
Applications
  • Switchboard mains protection
  • Sub-main circuit protection
  • Industrial power distribution boards
  • Commercial electrical switchboards
  • Motor control centres and power distribution assemblies
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 — applicable Australian/New Zealand standard for low-voltage circuit-breakers
  • AS/NZS 3000:2018 — installation requirements for Australian and New Zealand electrical installations
Environmental Benefits
  • RoHS declarations are available for the NM8N product family, supporting restriction of hazardous substances in electrical equipment
  • Durable moulded-case construction can extend service life and reduce replacement waste
  • Metal components, including copper and steel conductors, can be recovered through appropriate electrical equipment recycling streams
Warranty Information

CHINT's general warranty policy covers other low-voltage apparatus for 27 months from the date of manufacture when supplied through authorised sales channels, subject to the applicable contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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