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MCCB 4P 32A 70kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271396
$2,183.70 List price: $2,911.60
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 32A 4P MCCB features 70kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: CHINT NM8N 250A Frame MCCB, 4-Pole Moulded Case Circuit Breaker, Electronic MCCB, Switchboard Main Breaker

Technical Specifications
  • Device Type: Moulded case circuit breaker
  • Rated Current: 32 A
  • Frame Size: 250 A
  • Number of Poles: 4P
  • Trip Unit: EM standard electronic trip unit with liquid crystal display
  • Neutral Protection: Protected neutral
  • Rated Ultimate Short-Circuit Breaking Capacity Icu: 70 kA at 380/400/415 V AC
  • Rated Operational Voltage: 380/400/415 V, 440 V, 500 V and 660/690 V AC
  • Rated Frequency: 50/60 Hz
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Utilisation Category: A
  • Isolation: Suitable for isolation
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 operating cycles at 415 V and rated current
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 140mm x 88.7mm
  • Weight: 2.65 kg
Key Features
  • Four-pole protection for three-phase systems with neutral
  • 70 kA short-circuit breaking capacity at 380/400/415 V AC
  • Standard electronic trip unit for adjustable overload and short-circuit protection
  • Protected neutral functionality
  • Compact 250 A frame with a 32 A rated trip setting
  • Suitable for switchboard main protection and low-voltage power distribution
  • Suitable for isolation
  • Zero arcing distance design
Professional Installation Requirements
  • Installation, connection, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Verify the product's Australian approval and RCM requirements before energising.
Applications
  • Switchboard mains protection
  • Commercial and industrial low-voltage distribution boards
  • Three-phase power distribution with protected neutral
  • Protection of feeders, submains and incoming supply circuits
  • Electrical installations requiring high short-circuit withstand capability
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers; CHINT product documentation identifies IEC/EN 60947-2 compliance.
  • Installation must comply with AS/NZS 3000 and relevant Australian electrical approval requirements; Australian approval for the supplied variant should be verified before installation.
Environmental Benefits
  • RoHS documentation is available for the NM8N series, supporting restriction of hazardous substances in the product.
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste.
  • The breaker contains recyclable metal conductors and fittings, subject to appropriate end-of-life separation and recycling processes.
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 contract terms and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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