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MCCB 4P 63A 50kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271387
$2,051.30 List price: $2,735.10
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Chint NM8N 63A 4P MCCB features 50kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: CHINT NM8N-250S EM 4P 63A MCCB, Moulded Case Circuit Breaker, 4-Pole Electronic MCCB

Technical Specifications
  • Series: NM8N
  • Frame Size: 250A
  • Rated Current: 63A
  • Poles: 4P with protected neutral
  • Trip Unit: Standard electronic type, EM
  • Breaking Capacity: 50kA at 380/400/415V AC
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Overload Setting Range: 25.2–63A
  • Operating Temperature: -25°C to +70°C for standard electronic type
  • Ingress Protection: IP40
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 cycles at 415V AC and rated current
  • Manufacturing Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • Four-pole moulded case circuit breaker for three-phase installations with neutral protection
  • 50kA short-circuit breaking capacity at 380–415V AC
  • Standard electronic trip unit for adjustable overload and short-circuit protection
  • 250A frame with a 63A rated current
  • Suitable for switchboard incomer and mains protection applications
  • Adjustable neutral protection on the fourth pole
  • Suitable for isolation
  • Zero arcing distance design
Professional Installation Requirements
  • Installation, connection and protection-setting adjustments must be carried out by a licensed electrician or suitably qualified electrical contractor in accordance with AS/NZS 3000, applicable switchboard requirements and the manufacturer's instructions.
Applications
  • Switchboard mains and incomer protection
  • Commercial and industrial distribution boards
  • Three-phase power distribution systems with protected neutral conductors
  • Protection of feeders, submains and electrical equipment
  • Low-voltage industrial control and distribution assemblies
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 – Low-voltage switchgear and controlgear, Part 2: Circuit-breakers
Environmental Benefits
  • Electronic protection enables accurate current settings and may help reduce unnecessary equipment replacement caused by overload damage
  • Durable moulded-case construction supports extended service life and reduced replacement waste
  • CHINT NM8N series documentation includes a RoHS declaration for restriction of hazardous substances
Warranty Information

CHINT warranty policy states 27 months from the date of manufacture for other low-voltage apparatus, subject to authorised sales channels and any contract-specific terms.

Available Now

Available through authorised CHINT distributors in Australia.

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