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MCCB 3P 63A 50kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271382
$1,058.80 List price: $1,411.70
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Chint NM8N 63A 3P MCCB features 50kA breaking capacity, standard electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 250A Frame MCCB, 63A 3P Electronic MCCB, Moulded Case Circuit Breaker, Switchboard Main Circuit Breaker

Technical Specifications
  • Rated Current: 63A
  • Number of Poles: 3P
  • Frame Size: 250A
  • Breaking Capacity: 50kA at 380/400/415V AC
  • Release Type: EM standard electronic trip unit
  • Rated Operational Voltage: 380/400/415V AC, up to 690V AC
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Operating Frequency: 50/60Hz
  • Mounting: Fixed, front or rear connection; DIN-rail mounting with adapter
  • Operating Temperature: -25°C to +70°C for standard electronic release
  • Standard Product Design: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • Three-pole protection for three-phase distribution systems
  • 50kA short-circuit breaking capacity at common low-voltage supply ratings
  • 250A frame accommodates a broad range of electronic trip ratings
  • Standard electronic trip unit provides accurate overload and short-circuit protection
  • Suitable for switchboard mains and sub-mains protection
  • Can be installed with top or bottom line entry
  • Modular accessory system supports auxiliary and signalling functions
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Confirm fault level, discrimination, cable ratings and local approval requirements before installation.
Applications
  • Main switchboard protection
  • Sub-main circuit protection
  • Commercial and industrial power distribution
  • Three-phase building services
  • Motor control and distribution boards where the selected electronic protection settings are suitable
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Electrical installation and switchboard integration should comply with AS/NZS 3000 and applicable local regulatory requirements
Environmental Benefits
  • Long service life reduces replacement frequency and associated material waste
  • Copper and aluminium conductors used with the breaker are recyclable at end of service life
  • Electronic protection can support accurate fault isolation and reduce damage to downstream electrical equipment
  • Product documentation includes RoHS-related declarations for the NM8N series
Warranty Information

CHINT warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus purchased through authorised sales channels, subject to the applicable sales contract and exclusions for improper installation, misuse or unauthorised modification.

Available Now

Available through authorised CHINT distributors in Australia.

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