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MCCB 2P 20A 50kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271572
$443.40 List price: $591.10
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Chint NM8N 20A 2P MCCB features 50kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 20A 2-pole MCCB, 20A moulded case circuit breaker, 50kA thermal-magnetic circuit breaker

Technical Specifications
  • Breaker Type: Moulded case circuit breaker
  • Frame Rating: 125A
  • Rated Current: 20A
  • Number of Poles: 2P
  • Trip Unit: Thermal-magnetic, TM type
  • Breaking Capacity: 50kA, S breaking-capacity class
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Connection Type: Fixed, front connection
  • Electrical Endurance: Up to 2,000 operating cycles at rated current and 690V AC
  • Mechanical Endurance: Up to 25,000 operating cycles
  • Dimensions (H x L x W): 140mm x 78.5mm x 62mm
  • Weight: 0.83 kg
Key Features
  • 50kA high short-circuit breaking capacity
  • Thermal-magnetic overcurrent protection for distribution circuits
  • Compact 2-pole configuration on a 125A frame
  • Suitable for switchboard mains, sub-mains and industrial distribution boards
  • Adjustable thermal overload protection within the TM trip-unit design
  • Suitable for AC systems operating at 50Hz or 60Hz
  • Compatible with selected NM8N accessories, subject to configuration
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. Confirm fault levels, discrimination, conductor sizing, torque settings and RCM/EESS requirements before energising.
Applications
  • Switchboard mains protection
  • Sub-mains protection
  • Commercial and industrial distribution boards
  • Low-voltage power distribution systems
  • Overload and short-circuit protection for feeders and outgoing circuits
Standards & Compliance
  • Applicable Australian product standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000 and applicable switchboard assembly requirements
  • Confirm the supplied unit's Australian certification, RCM marking and EESS status before sale or installation
Environmental Benefits
  • Long mechanical service life can reduce replacement frequency and associated waste
  • Metal and thermoplastic components may be recoverable through appropriate electrical-equipment recycling streams
  • Resettable circuit protection avoids routine replacement of single-use fuses after overload or short-circuit events
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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