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MCCB 3P 250A 36kA Standard Electronic 630A Frame NM8N Chint

BRAND: CABAC
SKU: 269468
$1,866.10 List price: $2,488.10
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Chint NM8N 250A 3P MCCB features 36kA breaking capacity, standard electronic trip unit and a 630A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 630 Frame MCCB, 250A Electronic MCCB, 3-Phase Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 630A
  • Rated Current: 250A
  • Number of Poles: 3P
  • Breaking Capacity: 36kA at 380–415V AC
  • Trip Unit: EM standard electronic release
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V
  • Electronic Protection: Adjustable overload, short-time, instantaneous and earth-fault protection
  • Long-Time Current Setting: 0.4–1.0 × In
  • Installation: Vertical or horizontal mounting with top or bottom line entry
  • Operating Frequency: 50/60Hz
  • Dimensions (H x L x W): 255mm x 113mm x 140mm
  • Weight: 7 kg
Key Features
  • 630A frame with 250A rated current
  • 36kA short-circuit breaking capacity
  • Standard electronic trip unit with adjustable protection settings
  • Provides overload, short-circuit and earth-fault protection
  • Real-time current display and protection parameter indication
  • Suitable for isolation when installed in accordance with the applicable requirements
  • Can be installed with line or load connection at either the top or bottom
Professional Installation Requirements
  • Installation, adjustment and commissioning must be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer’s instructions and the requirements of the switchboard assembly. Verify fault levels, discrimination, cable ratings and protection settings before energisation.
Applications
  • Switchboard mains protection
  • Main switch and sub-main protection
  • Commercial and industrial power distribution
  • Large HVAC and mechanical services switchboards
  • Industrial plant and building-services distribution systems
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015, Low-voltage switchgear and controlgear, Part 2: Circuit-breakers
  • Installation and switchboard integration should comply with AS/NZS 3000 and the applicable AS/NZS 61439 requirements
Environmental Benefits
  • Electronic protection supports accurate current settings and can help reduce unnecessary tripping and equipment replacement
  • RoHS documentation is available for the NM8N product family
  • Durable construction supports extended service life and reduced replacement waste
  • Electrical and metal components may be recoverable through appropriate end-of-life recycling streams
Warranty Information

CHINT warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when supplied through authorised sales channels, subject to the applicable warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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