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MCCB 3P 50A 150kA Magnetic Only 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271876
$1,389.60 List price: $1,852.80
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Chint NM8N 50A 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 motor protection circuit breaker, 3-pole magnetic MCCB, high-breaking-capacity MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Series: NM8N-125R
  • Number of Poles: 3P
  • Rated Current: 50A at 40°C
  • Frame Size: 125A
  • Trip Unit: Magnetic-only motor protection release
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Rated Ultimate Short-Circuit Breaking Capacity: 150kA at 380/400/415V AC
  • Rated Service Short-Circuit Breaking Capacity: 150kA at 380/400/415V AC
  • Utilisation Category: A
  • Mounting: Fixed, front connection
  • Mechanical Life: Up to 15,000 operating cycles
  • Operating Temperature: -40°C to +70°C
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.19 kg
Key Features
  • Magnetic-only trip unit for motor protection applications
  • High 150kA short-circuit breaking capacity at 415V AC
  • Compact 125A frame with 50A rated current
  • Three-pole configuration for three-phase systems
  • Suitable for switchboards, industrial distribution and motor circuits
  • Top or bottom line entry options
  • Can be installed vertically or horizontally
  • 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. Confirm the magnetic trip setting, prospective fault current, conductor sizing and coordination with the motor starter before use.
Applications
  • Motor circuit short-circuit protection
  • Industrial switchboards
  • Commercial electrical distribution boards
  • Three-phase equipment protection
  • High fault-level mains and sub-mains protection
  • Industrial machinery and control panels
Standards & Compliance
  • AS/NZS 60947.2 is the applicable Australian/New Zealand standard for low-voltage circuit breakers; the NM8N series is specified to IEC/EN 60947-2. Verify local RCM and installation compliance before use in Australia.
Environmental Benefits
  • RoHS documentation is available for the NM8N series, supporting restriction of hazardous substances.
  • Metal components and thermoset enclosure materials can be separated for responsible end-of-life recycling where suitable facilities exist.
  • Long mechanical life can reduce replacement frequency 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; contract and local distributor terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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