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MCCB 4P 32A 100kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271406
$2,580.70 List price: $3,440.90
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Chint NM8N 32A 4P MCCB features 100kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: NM8N-250H EM 32 4C MCCB, 4-Pole Electronic MCCB, Moulded Case Circuit Breaker, Main Switchboard Circuit Breaker

Technical Specifications
  • Rated Current: 32 A
  • Frame Size: 250 A
  • Number of Poles: 4P, protected neutral configuration
  • Trip Unit: Standard electronic distribution protection
  • Breaking Capacity: 100 kA at 380/400/415 V AC
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage: 1,000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Rated Short-Time Withstand Current: 1 kA for 1 second at 32 A
  • Utilisation Category: A
  • Frequency: 50/60 Hz
  • Isolation Function: Suitable for isolation
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 operating cycles at 415 V AC and rated current
  • Operating Temperature: -25°C to +70°C for standard electronic type
  • Connection: Fixed mounting with front or rear connection options
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • 100 kA short-circuit breaking capacity for high-fault-level installations
  • Standard electronic trip unit for adjustable overload and short-circuit protection
  • Protected neutral pole for four-wire distribution systems
  • Compact 250 A frame with a 32 A electronic rated current
  • Suitable for switchboard mains and submains protection
  • Supports vertical or horizontal installation and top or bottom line entry
  • Suitable for isolation in accordance with the product design
  • Zero arcing-distance design helps simplify switchboard layout
Professional Installation Requirements
  • Installation, trip setting and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, applicable switchboard requirements and the manufacturer's instructions. Confirm coordination, prospective fault current, conductor sizing and local certification requirements before use.
Applications
  • Main incoming protection in commercial and industrial switchboards
  • Submain protection in low-voltage distribution boards
  • Four-wire three-phase distribution systems requiring protected neutral switching
  • Industrial power distribution equipment
  • Commercial building services and data-centre electrical distribution
Standards & Compliance
  • AS/NZS 60947.2 — applicable Australian/New Zealand standard for low-voltage circuit-breakers and MCCBs; verify product certification and local installation requirements before commissioning
Environmental Benefits
  • RoHS documentation is available for the NM8N range, supporting restricted-substance compliance
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste
  • Electronic trip protection supports accurate fault and overload management, helping protect downstream equipment
Warranty Information

CHINT's general warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture when purchased through authorised sales channels. Contract terms, exclusions and Australian distributor conditions may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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