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MCCB 3P 630A 150kA Standard Electronic 630A Frame NM8N Chint

BRAND: CABAC
SKU: 269494
$3,288.70 List price: $4,385.00
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Chint NM8N 630A 3P MCCB features 150kA breaking capacity, standard electronic trip unit and a 630A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: NM8N-630R EM MCCB, 630A Electronic Moulded Case Circuit Breaker, 3-Phase MCCB

Technical Specifications
  • Device Type: Moulded case circuit breaker
  • Poles: 3P
  • Frame Size: 630A
  • Rated Current: 630A at 40°C
  • Trip Unit: Standard electronic release, EM type
  • Breaking Capacity: 150kA Icu and 150kA Ics
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V
  • Rated Impulse withstand Voltage: 12kV
  • Frequency: 50/60Hz
  • Overload Current Adjustment: 0.4–1.0 x In
  • Instantaneous Trip Adjustment: OFF or 2–12 x In
  • Short-Time Trip Adjustment: OFF or 1.5–10 x Ir
  • Operating Temperature: -40°C to +70°C
  • Ingress Protection: IP40
  • Mechanical Life: 15,000 operations
  • Electrical Life: 1,500 operations
  • Installation: Fixed mounting with front or rear connection options
  • Dimensions (H x L x W): 255mm x 113mm x 140mm
  • Weight: 6 kg
Key Features
  • 150kA high short-circuit breaking capacity
  • Three-pole configuration for three-phase power distribution
  • Standard electronic trip unit for adjustable overload and short-circuit protection
  • 630A frame and rated current configuration
  • Suitable for switchboard mains and sub-mains protection
  • Supports front or rear connections and vertical or horizontal mounting
  • Electronic trip settings allow improved protection coordination
  • Compatible with CHINT NM8N accessories and auxiliary devices
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and applicable switchboard requirements. Confirm fault levels, cable ratings, discrimination and protection settings before energisation.
Applications
  • Main switchboard incoming protection
  • Sub-main circuit protection
  • Commercial and industrial distribution boards
  • Three-phase power distribution systems
  • Data centre and infrastructure power systems
  • Motor and equipment feeder protection where correctly coordinated
  • Low-voltage switchboards requiring high fault-level protection
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • AS/NZS 3000:2018 for electrical installation requirements
Environmental Benefits
  • Electronic trip adjustment can support more accurate protection coordination and reduce unnecessary equipment replacement after nuisance trips
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Metallic conductive components are suitable for recovery and recycling at end of service life
  • Designed for use in efficient low-voltage power distribution and protection systems
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 contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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