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MCCB 3P 250A 50kA Standard Electronic 630A Frame NM8N Chint

BRAND: CABAC
SKU: 269474
$2,183.70 List price: $2,911.60
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Chint NM8N 250A 3P MCCB features 50kA 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, 3-Phase Circuit Breaker, Electronic MCCB, NM8N 630S EM

Technical Specifications
  • Circuit Breaker Type: Moulded case circuit breaker
  • Frame Size: 630AF
  • Rated Current: 250A
  • Number of Poles: 3P
  • Release Type: Standard electronic trip unit for power distribution
  • Rated Operational Voltage: 380–415V AC
  • Rated Frequency: 50/60Hz
  • Ultimate Breaking Capacity: 50kA
  • Service Breaking Capacity: 100% of Icu
  • Operating Temperature: -40°C to +70°C
  • Mounting: Surface mounting with screw fixing
  • Connection: Screw terminals
  • Ingress Protection: IP40
  • Handle Type: Toggle handle
  • Auxiliary Contact: AX21-M8, sold separately
  • Alarm Contact: AL21-M8, sold separately
  • Dimensions (H x L x W): 255mm x 113mm x 140mm
  • Weight: 5.45 kg
Key Features
  • 50kA short-circuit breaking capacity
  • Standard electronic protection for power distribution applications
  • 250A rating in a 630A frame
  • Three-pole configuration for three-phase systems
  • Suitable for switchboard mains and sub-mains protection
  • Supports surface mounting and screw-terminal connections
  • Top or bottom line connection is supported
  • Electronic protection provides adjustable overload and short-circuit settings
Professional Installation Requirements
  • Installation, commissioning and protection-setting adjustments must be carried out by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements.
Applications
  • Main incoming protection in commercial and industrial switchboards
  • Sub-main protection in distribution boards
  • Three-phase power distribution systems
  • Industrial plant and machinery supply protection
  • Commercial building electrical infrastructure
Standards & Compliance
  • AS/NZS IEC 60947.2 for low-voltage circuit breakers
Environmental Benefits
  • Electronic protection can help reduce unnecessary outages and equipment replacement by providing more precise fault and overload protection
  • Long service life can reduce replacement frequency and associated electrical equipment waste
  • Metal components are suitable for recovery and recycling at end of service life
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 may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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