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

BRAND: CABAC
SKU: 271390
$2,051.30 List price: $2,735.10
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 250A 4P MCCB features 50kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: NM8N-EN-250S-4P-250, 250A Electronic MCCB, 4P Moulded Case Circuit Breaker, Main Switchboard MCCB

Technical Specifications
  • Rated Current: 250A
  • Frame Size: 250A
  • Number of Poles: 4P
  • Trip Unit: Standard electronic type with protected neutral
  • Breaking Capacity: 50kA at 380/415V AC
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Installation Type: Fixed mounting
  • Product Series: NM8N
  • Applicable Product Standard: IEC 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • Four-pole protection for three-phase systems with neutral switching and protection
  • Standard electronic trip unit for adjustable overload and short-circuit protection
  • 250A frame and 250A rated current
  • 50kA short-circuit breaking capacity at 380/415V AC
  • Suitable for main incomer and distribution protection in switchboards
  • Compatible with CHINT NM8N accessories including auxiliary and alarm contacts
Professional Installation Requirements
  • Installation, configuration and commissioning must be performed by a licensed electrician in accordance with applicable Australian wiring rules, switchboard requirements and the manufacturer's instructions.
Applications
  • Switchboard mains protection
  • Commercial and industrial low-voltage distribution boards
  • Three-phase power distribution with protected neutral
  • Main incomer and feeder protection
  • Overload and short-circuit protection for electrical installations
Standards & Compliance
  • AS/NZS 60947.2 is the applicable Australian/New Zealand product standard for low-voltage circuit-breakers; verify the specific product certification and RCM status before installation in Australia.
  • AS/NZS 3000 applies to the electrical installation and wiring associated with the circuit-breaker.
Environmental Benefits
  • RoHS declaration is available for the NM8N product series, supporting restriction of specified hazardous substances.
  • Electronic trip protection can improve discrimination and reduce unnecessary equipment replacement following electrical faults.
  • Durable moulded-case construction supports extended service life and reduces replacement waste.
Warranty Information

CHINT warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus, subject to authorised sales channels, applicable terms and proof of purchase.

Available Now

Available through authorised CHINT distributors in Australia.

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