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

BRAND: CABAC
SKU: 271590
$714.30 List price: $952.40
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Chint NM8N 125A 3P MCCB features 50kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Thermal-Magnetic MCCB, NM8N-125S 3P 125A MCCB

Technical Specifications
  • Product Series: NM8N
  • Frame Size: 125A
  • Rated Current: 125A
  • Poles: 3P
  • Trip Unit: Adjustable thermal-magnetic
  • Thermal Trip Adjustment: 0.7–1.0 x In
  • Magnetic Trip Setting: 10 x In for power distribution protection
  • Breaking Capacity: 50kA, S class
  • Rated Operational Voltage: Up to 690V AC
  • Frequency: 50/60Hz
  • Utilisation Category: Category A
  • Mounting: Fixed installation with front or rear connection options
  • Isolation: Suitable for isolation
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 cycles at 415V AC and rated current
  • Protection Functions: Overload and short-circuit protection
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.05 kg
Key Features
  • Three-pole moulded case circuit breaker for low-voltage distribution systems
  • 125A frame and 125A rated current
  • 50kA short-circuit breaking capacity
  • Adjustable thermal-magnetic trip unit
  • Suitable for switchboard mains and sub-mains protection
  • Can be mounted vertically or horizontally
  • Top or bottom line entry supported
  • Suitable for industrial, commercial and building distribution applications
Professional Installation Requirements
  • Installation, selection, coordination and testing must be performed by a licensed electrician in accordance with AS/NZS 3000, the equipment manufacturer's instructions and applicable switchboard requirements.
Applications
  • Switchboard mains protection
  • Sub-mains protection
  • Industrial power distribution
  • Commercial building electrical distribution
  • Motor and equipment feeder protection where correctly coordinated
  • Data centre and infrastructure power systems
Standards & Compliance
  • Manufacturer-declared compliance with IEC/EN 60947-2 for moulded-case circuit breakers
  • Australian installations should be verified against AS/NZS IEC 60947.2:2015 and AS/NZS 3000 requirements, including applicable RCM obligations
Environmental Benefits
  • RoHS documentation is available for the NM8N series, supporting restriction of hazardous substances
  • Thermal-magnetic protection can help prevent equipment damage and premature replacement caused by overloads and short circuits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • The copper and metal components can be recovered for recycling at end of life
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to contract terms and exclusions including improper installation, misuse and unauthorised modification.

Available Now

Available through authorised CHINT distributors in Australia.

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