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MCCB 4P 63A 36kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271377
$1,852.80 List price: $2,470.40
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Chint NM8N 63A 4P MCCB features 36kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: CHINT NM8N-250C EM 4P MCCB, 63A 4-Pole Electronic Moulded Case Circuit Breaker, 250A Frame MCCB

Technical Specifications
  • Rated Current: 63A
  • Number of Poles: 4P
  • Frame Size: 250A
  • Breaking Capacity: 36kA at AC 380/400/415V
  • Trip Unit: Standard electronic type EM
  • Protection Functions: Long-time overload, short-time short circuit, instantaneous short circuit and earth fault
  • Neutral Protection: Adjustable neutral line protection
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Rated Operational Voltage: AC 380/400/415V, 440V, 500V and 660/690V
  • Utilisation Category: A
  • Connection Type: Fixed, front or rear connection options
  • Mechanical Life: Up to 15,000 operating cycles
  • Electrical Life: Up to 6,000 operating cycles at AC 415V
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • Four-pole protection for three-phase plus neutral switchboard circuits
  • 250A frame accepts a 63A electronic trip rating
  • 36kA ultimate short-circuit breaking capacity at common low-voltage operating voltages
  • Electronic trip unit provides adjustable overload, short-time, instantaneous and earth-fault protection
  • Adjustable neutral protection for the fourth pole
  • Real-time current display and adjustable protection parameters
  • Suitable for vertical or horizontal mounting
  • Supports front or rear electrical connection configurations
Professional Installation Requirements
  • Installation, configuration and testing must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Confirm fault levels, conductor ratings, trip settings and local certification before commissioning.
Applications
  • Main incoming protection in commercial switchboards
  • Industrial distribution boards
  • Three-phase distribution circuits with neutral conductors
  • HVAC, building services and machinery switchboards
  • Overload and short-circuit protection for low-voltage AC distribution systems
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • CHINT documentation identifies the NM8N series with IEC/EN 60947-2 compliance; verify the specific unit's Australian certification and RCM status before installation
Environmental Benefits
  • RoHS-related product documentation is available for the NM8N series, supporting restriction of hazardous substances in manufacture
  • Adjustable electronic protection can help reduce nuisance tripping and unnecessary equipment replacement
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
Warranty Information

CHINT's general warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable contract and exclusions including improper installation, misuse and unauthorised modification.

Available Now

Available through authorised CHINT distributors in Australia.

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