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MCCB 3P 250A 150kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271415
$2,249.80 List price: $2,999.80
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Chint NM8N 250A 3P MCCB features 150kA breaking capacity, standard electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 250A 3-Pole Moulded Case Circuit Breaker, 250A Electronic MCCB, 150kA MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 250A
  • Rated Current: 250A
  • Number of Poles: 3P
  • Trip Unit: Standard electronic EN
  • Breaking Capacity: 150kA at 380/400/415V AC
  • Rated Operational Voltage: 380/400/415V AC
  • Long-Time Current Setting: 0.4–1.0 x In
  • Short-Time Current Setting: 1.5–10 x In, selectable with OFF position
  • Instantaneous Current Setting: 2–12 x In, selectable with OFF position
  • Trip Protection: Overload, short-circuit short-time delay and instantaneous protection
  • Connection Type: Fixed mounting with front connection
  • Reference Temperature: 50°C or 55°C
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2.34 kg
Key Features
  • Three-pole protection for low-voltage distribution systems
  • 250A frame and 250A rated current
  • 150kA ultimate short-circuit breaking capacity at 380–415V AC
  • Standard electronic trip unit with adjustable protection parameters
  • Suitable for switchboard mains and sub-mains protection
  • Adjustable long-time, short-time and instantaneous protection settings
  • Compatible with optional auxiliary, shunt-release, under-voltage and operating accessories
Professional Installation Requirements
  • Installation, configuration and testing must be performed by a licensed electrician in accordance with AS/NZS 3000 and the switchboard manufacturer's requirements. Protection settings must be selected to suit the connected conductors, fault level and discrimination study.
Applications
  • Switchboard mains protection
  • Sub-main protection
  • Commercial and industrial power distribution
  • Low-voltage distribution boards
  • Power centres and motor control centres
Standards & Compliance
  • AS/NZS 60947.2 for low-voltage circuit breakers
  • AS/NZS 3000 applies to installation within Australian electrical installations
  • AS/NZS 61439 may apply to the completed switchboard assembly
Environmental Benefits
  • RoHS documentation is available for the NM8N series, supporting restriction of hazardous substances
  • Long service life and resettable circuit protection reduce replacement waste compared with single-use protective devices
  • Metal and thermoplastic components can be separated for appropriate recycling at end of service life
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to the applicable sales contract and warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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