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MCCB 3P 63A 36kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271372
$926.40 List price: $1,235.20
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Chint NM8N 63A 3P MCCB features 36kA breaking capacity, standard electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 250AF MCCB, 63A Electronic Moulded Case Circuit Breaker, 3-Pole MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Rated Current: 63A
  • Number of Poles: 3P
  • Frame Size: 250A
  • Breaking Capacity: 36kA at AC 380/400/415V
  • Trip Unit: Basic electronic type for power distribution
  • Rated Operational Voltage: 220–690V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Adjustable Long-Time Protection: 0.4–1.0 x In
  • Adjustable Short-Time Protection: 1.5–10 x In
  • Adjustable Instantaneous Protection: 2–12 x In
  • Installation: Fixed mounting with front or rear connection options
  • Mechanical Life: Up to 15,000 operating cycles
  • Electrical Life: Up to 6,000 cycles at AC 415V and rated current
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • 36kA short-circuit breaking capacity at common low-voltage operating voltages
  • Electronic protection with adjustable long-time, short-time and instantaneous settings
  • Three-pole configuration for three-phase distribution systems
  • 250A frame accommodates the 63A rated current electronic trip unit
  • Suitable for overload and short-circuit protection
  • Can be used for isolation where the installation design permits
  • Suitable for switchboard mains, sub-mains and industrial distribution applications
  • Optional CHINT accessories are available, including auxiliary, alarm, shunt-trip and undervoltage-release devices
Professional Installation Requirements
  • Installation, adjustment and commissioning must be performed by a licensed electrician in accordance with applicable Australian wiring rules, switchboard requirements and the manufacturer's instructions. Verify fault levels, discrimination, cable protection, tightening torque and Australian conformity requirements before energisation.
Applications
  • Switchboard mains protection
  • Sub-mains protection
  • Industrial low-voltage distribution boards
  • Commercial electrical distribution systems
  • Three-phase feeder and load protection
  • Equipment requiring adjustable electronic overcurrent protection
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand product standard for low-voltage circuit-breakers; confirm product-specific RCM and EESS requirements before installation in Australia
Environmental Benefits
  • Durable moulded-case construction can support extended service life and reduce replacement waste
  • Metal conductors and hardware are recyclable at end of service life
  • Electronic protection settings can support accurate coordination and reduce unnecessary equipment replacement
  • CHINT publishes RoHS documentation for the NM8N series
Warranty Information

CHINT's general warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable contract and warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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