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MCCB 3P 20A 36kA Magnetic Only 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271832
$794.10 List price: $1,058.80
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Chint NM8N 20A 3P MCCB features 36kA breaking capacity, magnetic-only trip unit for motor protection and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 20A MCCB, 3-Pole Magnetic Circuit Breaker, Motor Protection MCCB, Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 125A
  • Rated Current: 20A
  • Poles: 3P
  • Trip Unit: Magnetic-only motor protection
  • Breaking Capacity: 36kA at 380/400/415/440V AC
  • Rated Operational Voltage: 380/400/415/440V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Service Breaking Capacity: 100% of rated ultimate breaking capacity at applicable voltage
  • Installation: Fixed, surface-mounted screw connection
  • Connection: Screw terminals for copper conductors with cable lugs
  • Ingress Protection: IP40
  • Operating Temperature: -40°C to +70°C
  • Maximum Installation Altitude: 2000m
  • Mechanical Life: Up to 25,000 operating cycles
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.19 kg
Key Features
  • Magnetic-only trip unit designed for motor circuit protection
  • High 36kA short-circuit breaking capacity
  • Compact 125A frame with 20A rated current
  • Three-pole switching and protection
  • Suitable for AC low-voltage distribution and industrial applications
  • Can be installed vertically or horizontally with top or bottom line entry
  • Optional auxiliary, alarm, shunt-trip and undervoltage accessories available
Professional Installation Requirements
  • Installation and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. A magnetic-only MCCB does not provide the complete overload protection normally required for a motor circuit; use with a correctly selected motor overload protection device where required.
Applications
  • Motor branch-circuit short-circuit protection
  • Industrial and commercial switchboards
  • Low-voltage distribution boards
  • HVAC and refrigeration plant switchboards
  • Pump, fan and compressor control panels
  • Electrical equipment isolation and protection
Standards & Compliance
  • AS/NZS 60947.2: Low-voltage switchgear and controlgear, circuit-breakers; applicable product standard for MCCBs
  • AS/NZS 3000: Electrical installations, wiring and installation requirements
Environmental Benefits
  • Long service life can reduce replacement frequency and associated product waste
  • Metallic electrical components are generally recyclable at end of service life
  • Supports reliable motor and switchboard protection, helping reduce damage and premature equipment replacement
Warranty Information

CHINT's general warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus, covering defects in materials and workmanship when supplied through authorised sales channels. Contractual or local distributor terms may apply.

Available Now

Available through authorised CHINT distributors in Australia.

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