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MCCB 3P 20A 150kA Magnetic Only 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271872
$1,389.60 List price: $1,852.80
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Chint NM8N 20A 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 20A 3P MCCB, magnetic-only motor protection circuit breaker, 20A 150kA moulded case circuit breaker

Technical Specifications
  • Circuit Breaker Type: Moulded case circuit breaker
  • Poles: 3P
  • Rated Current: 20A
  • Frame Size: 125A
  • Trip Unit: Magnetic only, motor protection type
  • Rated Ultimate Short-Circuit Breaking Capacity: 150kA
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V
  • Frequency: 50/60Hz
  • Ingress Protection: IP40
  • Mechanical Endurance: 15,000 operating cycles
  • Electrical Endurance: 8,000 operating cycles
  • Operating Temperature: -40°C to +70°C
  • Installation: Fixed mounting with top or bottom line entry
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.24 kg
Key Features
  • High 150kA short-circuit breaking capacity
  • Magnetic-only trip unit designed for motor protection applications
  • Compact 125A frame with a 20A rated current
  • Three-pole configuration for three-phase circuits
  • Suitable for industrial, commercial and switchboard applications
  • Can be installed vertically or horizontally
  • Magnetic-only protection requires coordinated overload protection where required by the motor application
Professional Installation Requirements
  • Installation, selection and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, applicable switchboard requirements and AS/NZS 3000. Motor overload protection and coordination must be verified separately because this model has a magnetic-only trip unit.
Applications
  • Three-phase motor feeder protection
  • Industrial motor control panels
  • Commercial switchboards
  • Low-voltage distribution boards
  • High-fault-level mains and submain protection where correctly coordinated
Standards & Compliance
  • Relevant product standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers
Environmental Benefits
  • Resettable circuit-breaker design can reduce consumable fuse waste
  • Durable construction and high mechanical endurance support extended service life
  • Metallic conductive components can be recovered through appropriate electrical equipment recycling
  • Suitable for efficient motor protection systems when correctly selected and coordinated
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture against defects in materials and workmanship for other low-voltage apparatus sold through authorised channels. Contract and local distributor terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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