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MCCB 4P 63A 100kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271407
$2,580.70 List price: $3,440.90
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Chint NM8N 63A 4P MCCB features 100kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Electronic MCCB, Main Circuit Breaker, 4-Pole Power Distribution Breaker

Technical Specifications
  • Rated Current: 63A
  • Frame Size: 250A
  • Number of Poles: 4P
  • Trip Unit: Standard electronic type with LCD display
  • Neutral Protection: Adjustable protected neutral pole
  • Rated Operational Voltage: 380/400/415V AC, up to 690V AC
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Ultimate Short-Circuit Breaking Capacity: 100kA at 380/400/415/440V AC
  • Service Short-Circuit Breaking Capacity: 100kA at 380/400/415/440V AC
  • Utilisation Category: A
  • Suitability for Isolation: Yes
  • Operating Temperature: -25°C to +70°C for standard electronic type
  • Ingress Protection: IP40
  • Mechanical Life: 15,000 switching cycles
  • Electrical Life: 6,000 switching cycles at 415V AC and rated current
  • Product 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 construction for three-phase and neutral circuit protection
  • 100kA high short-circuit breaking capacity at common low-voltage operating voltages
  • 250A frame accommodates a 63A electronic release setting
  • Standard electronic trip unit with real-time current display
  • Adjustable long-time, short-time and instantaneous protection settings
  • Adjustable earth-fault protection
  • Adjustable neutral overcurrent protection
  • Suitable for fixed mounting and isolation applications
  • Zero arcing distance design
Professional Installation Requirements
  • Installation, connection, commissioning and protection-setting adjustments must be performed by a licensed electrician in accordance with manufacturer instructions, AS/NZS 3000 and applicable switchboard requirements. Verify the required RCM and local approval documentation before installation.
Applications
  • Main switchboard protection
  • Low-voltage power distribution systems
  • Commercial and industrial switchboards
  • Three-phase circuits with neutral protection requirements
  • Feeder and submain protection
  • Overload, short-circuit and earth-fault protection
Standards & Compliance
  • Designed to IEC/EN 60947-2 for low-voltage circuit-breakers; the applicable Australian adoption is AS/NZS IEC 60947.2:2015.
  • Installation in Australia must comply with AS/NZS 3000:2018 and applicable switchboard construction requirements under the AS/NZS 61439 series.
Environmental Benefits
  • Durable moulded-case construction supports extended service life and reduces replacement waste.
  • Copper and metal components can be recovered through appropriate electrical equipment recycling at end of life.
  • Adjustable electronic protection can help limit equipment damage and reduce premature replacement of downstream switchgear.
Warranty Information

CHINT general warranty information for other low-voltage apparatus provides 27 months from the date of manufacture when supplied through authorised sales channels, subject to the applicable sales agreement and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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