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MCCB 3P 50A 100kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271666
$1,118.30 List price: $1,491.10
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Chint NM8N 50A 3P MCCB features 100kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 3P 50A moulded case circuit breaker, thermal-magnetic MCCB, NM8N-125H-50/3/21

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Rated Current: 50A
  • Frame Size: 125A
  • Number of Poles: 3P
  • Trip Unit: Thermal-magnetic
  • Breaking Capacity: 100kA at 380/400/415V AC
  • Rated Frequency: 50/60Hz
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Connection: Fixed front connection
  • Mechanical Life: 15,000 operating cycles
  • Electrical Life: Up to 8,000 operating cycles at 415V AC
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.19 kg
Key Features
  • 100kA high short-circuit breaking capacity
  • Thermal-magnetic overload and short-circuit protection
  • Compact 125A frame with 50A rated current
  • Three-pole construction for three-phase circuits
  • Suitable for switchboard mains and sub-mains protection
  • Can be installed vertically or horizontally
  • Top or bottom line entry supported
  • Suitable for isolation when correctly selected and installed
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and the requirements of the completed switchboard assembly. Confirm fault levels, discrimination, cable ratings and enclosure compatibility before installation.
Applications
  • Switchboard mains protection
  • Sub-main circuit protection
  • Commercial and industrial distribution boards
  • Three-phase power distribution systems
  • Electrical equipment and feeder protection
Standards & Compliance
  • Relevant Australian product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000:2018
  • The complete switchboard assembly may also require compliance with AS/NZS 61439, depending on the assembly application
Environmental Benefits
  • RoHS documentation is available for the NM8N product family
  • Long mechanical and electrical service life can reduce replacement frequency and material waste
  • Thermal-magnetic protection helps prevent equipment damage and premature replacement following overload or short-circuit events
  • Metal components and thermoplastic enclosure materials can be separated for appropriate end-of-life recycling where local facilities accept them
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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