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MCCB 3P 63A 150kA Magnetic Only 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271877
$1,389.60 List price: $1,852.80
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Chint NM8N 63A 3P MCCB features 150kA breaking capacity, magnetic-only trip unit for motor protection and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N-125R M 63 3P MCCB, Motor Protection MCCB, Magnetic Trip Circuit Breaker, Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded Case Circuit Breaker
  • Number of Poles: 3P
  • Rated Current: 63A
  • Frame Rating: 125A
  • Trip Unit: Magnetic-only release for motor protection
  • Rated Operational Voltage: 380–415V AC
  • Rated Frequency: 50/60Hz
  • Breaking Capacity: 150kA at 380–415V AC
  • Service Breaking Capacity: 100% of Icu
  • Insulation Voltage: 1000V
  • Impulse Withstand Voltage: 8kV
  • Operating Temperature: -40°C to +70°C
  • Connection: Screw terminals
  • Mounting: Fixed surface mounting
  • Ingress Protection: IP40
  • Control: Toggle handle
  • Auxiliary and alarm contacts: Optional accessories
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.05 kg
Key Features
  • Three-pole protection for low-voltage AC circuits
  • Magnetic-only trip unit suitable for motor short-circuit protection
  • High 150kA breaking capacity at 380–415V AC
  • 125A frame accepts a 63A rated current configuration
  • Magnetic trip avoids nuisance tripping during motor starting when correctly set
  • Suitable for use with a contactor and thermal overload relay in motor protection schemes
  • Optional shunt trip, undervoltage trip, auxiliary contact and alarm contact accessories
  • Fixed mounting with screw terminal connections
Professional Installation Requirements
  • Installation, selection and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and applicable switchboard requirements. A separate overload protection device is required because this model has a magnetic-only release.
Applications
  • Motor short-circuit protection
  • Industrial motor control panels
  • Switchboard mains and feeder protection
  • Commercial and industrial low-voltage distribution boards
  • High-fault-level electrical installations
  • Three-element motor protection systems used with a contactor and thermal overload relay
Standards & Compliance
  • Applicable product standard: AS/NZS 60947.2 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000 wiring rules
  • IEC/EN 60947-2 performance basis stated for the NM8N MCCB range
Environmental Benefits
  • Long service life can reduce replacement frequency and electrical equipment waste
  • Metal components are suitable for recovery and recycling at end of service life
  • Magnetic-only motor protection can support reliable motor operation when coordinated with correctly selected overload protection
  • No refrigerant or other high-global-warming-potential working fluid is used
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 contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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