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MCCB 4P 63A 100kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271687
$1,336.70 List price: $1,782.20
+ −
Chint NM8N 63A 4P MCCB features 100kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Thermal-Magnetic MCCB, 4-Pole Main Circuit Breaker

Technical Specifications
  • Model: NM8N-125H-63/4/21
  • Rated Current: 63 A
  • Frame Size: 125 A
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic
  • Neutral Protection: Protected neutral pole
  • Rated Operational Voltage: Up to 690 V AC, 50/60 Hz
  • Rated Insulation Voltage: 1,000 V AC
  • Rated Impulse Withstand Voltage: 8 kV
  • Ultimate Breaking Capacity: 100 kA at 380–415 V AC
  • Service Breaking Capacity: 100% of Icu at applicable voltage
  • Utilisation Category: A
  • Mounting: Fixed mounting with front or rear connection options
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 cycles at 415 V AC and rated current
  • Standard Basis: IEC/EN 60947-2
  • Dimensions (H x L x W): 140mm x 78.5mm x 120mm
  • Weight: 1.55 kg
Key Features
  • 100 kA short-circuit breaking capacity at 380–415 V AC
  • Four-pole construction for three-phase and neutral switching
  • Protected neutral pole for enhanced four-wire system protection
  • Thermal-magnetic trip unit for overload and short-circuit protection
  • 125 A frame with a 63 A rated current
  • Suitable for isolation
  • Zero arcing distance design
  • Designed for low-voltage commercial and industrial power distribution
Professional Installation Requirements
  • Installation, connection and testing must be performed by a licensed electrician in accordance with the manufacturer's instructions, applicable switchboard requirements and AS/NZS 3000. Confirm fault levels, discrimination, cable capacity and enclosure suitability before energising.
Applications
  • Switchboard mains protection
  • Three-phase commercial distribution boards
  • Industrial low-voltage power distribution
  • Feeder and submain circuit protection
  • Commercial and industrial plant electrical systems
Standards & Compliance
  • Applicable product standard: AS/NZS 60947.2 for low-voltage circuit-breakers
  • Electrical installation and wiring practices should comply with AS/NZS 3000
Environmental Benefits
  • Durable construction and long mechanical service life can reduce replacement frequency and electrical equipment waste
  • Metal components can be recovered through appropriate electrical equipment recycling streams
  • Overload and short-circuit protection helps prevent damage to downstream electrical equipment and associated material waste
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.