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MCCB 3P 250A 100kA Standard Electronic 630A Frame NM8N Chint

BRAND: CABAC
SKU: 269486
$3,017.40 List price: $4,023.30
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Chint NM8N 250A 3P MCCB features 100kA breaking capacity, standard electronic trip unit and a 630A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Electronic MCCB, Main Circuit Breaker, Sub-Main Circuit Breaker

Technical Specifications
  • Frame Rating: 630A
  • Rated Current: 250A
  • Number of Poles: 3P
  • Trip Unit: Standard electronic release, EM type
  • Ultimate Breaking Capacity Icu: 100kA at 380–440V AC
  • Service Breaking Capacity Ics: 100kA at 380–440V AC
  • Rated Operational Voltage: Up to 690V AC
  • Rated Frequency: 50/60Hz
  • Ingress Protection: IP40
  • Pollution Degree: 3
  • Mechanical Durability: Up to 15,000 operations
  • Standard Product Compliance: IEC/EN 60947-1 and IEC/EN 60947-2
  • Dimensions (H x L x W): 250mm x 135mm x 140mm
  • Weight: 8.1 kg
Key Features
  • 630A frame with a 250A rated electronic trip unit
  • Three-pole configuration for three-phase power distribution
  • 100kA short-circuit breaking capacity at typical low-voltage distribution voltages
  • Standard electronic trip unit for adjustable overload and short-circuit protection
  • Suitable for switchboard mains and sub-mains protection
  • Supports coordination and selective protection in commercial and industrial installations
  • Fixed moulded-case construction with optional compatible accessories
Professional Installation Requirements
  • Installation, configuration and commissioning must be performed by a licensed electrical contractor in accordance with the manufacturer’s instructions, AS/NZS IEC 60947.2 and AS/NZS 3000. Verify fault levels, cable ratings, trip settings and discrimination before energisation.
Applications
  • Switchboard mains protection
  • Sub-main protection
  • Commercial and industrial power distribution
  • Industrial control panels
  • Building services distribution boards
  • Generator and transformer low-voltage distribution applications
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 — applicable standard for low-voltage circuit-breakers
  • AS/NZS 3000:2018 — electrical installation requirements applicable to installation and wiring practices
Environmental Benefits
  • Electronic protection can improve system coordination and reduce unnecessary equipment damage during fault conditions
  • Durable moulded-case construction can reduce replacement frequency and associated material waste
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling processes
Warranty Information

CHINT warranty policy for other low-voltage apparatus provides coverage against manufacturing defects for 27 months from the date of manufacture when purchased through authorised sales channels; contractual terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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