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MCCB 3P 100A 50kA Basic Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271333
$1,428.60 List price: $1,904.80
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Chint NM8N 100A 3P MCCB features 50kA breaking capacity, basic electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 250A Frame MCCB, 100A Three-Phase Moulded Case Circuit Breaker, Electronic Trip MCCB

Technical Specifications
  • Rated Current: 100 A
  • Number of Poles: 3P
  • Frame Size: 250 A
  • Breaking Capacity: 50 kA at AC 380/400/415 V
  • Release Type: EN basic electronic trip unit
  • Rated Operational Voltage: Up to 690 V AC, 50/60 Hz
  • Rated Insulation Voltage: 1000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Utilisation Category: A
  • Short-Time Withstand Current: 2 kA for 1 second
  • Overload Protection Setting: 0.4–1.0 x In
  • Short-Circuit Short-Time Setting: 1.5–10 x Ir, with OFF position
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 cycles at AC 415 V and rated current
  • Reference Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • 50kA service and ultimate breaking capacity at typical three-phase supply voltages
  • Basic electronic trip unit with adjustable overload and short-circuit protection
  • 250A frame accommodates a 100A rated current configuration
  • Three-pole construction for three-phase power distribution
  • Suitable for fixed front or rear connection arrangements
  • Suitable for isolation
  • Zero arcing distance design
  • Designed for switchboard mains, sub-mains and industrial distribution protection
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with applicable Australian wiring rules, switchboard requirements and the manufacturer's installation instructions.
Applications
  • Switchboard mains protection
  • Sub-mains protection
  • Commercial building power distribution
  • Industrial power distribution panels
  • Three-phase feeder and incoming supply protection
  • Protection of cables and equipment against overload and short-circuit faults
Standards & Compliance
  • AS/NZS 60947.2 for low-voltage circuit-breakers, subject to verification of the specific product's Australian approval and RCM marking before installation
  • AS/NZS 3000 for selection, installation, testing and verification within electrical installations
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Metallic conductive components and selected enclosure materials may be recyclable at end of service life
  • Electronic protection and adjustable trip settings support accurate fault protection and can help minimise damage to connected equipment
Warranty Information

CHINT low-voltage apparatus sold through authorised channels is generally covered against defects in materials and workmanship for 27 months from the date of manufacture; contract and local distributor terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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