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MCCB 3P 100A 70kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271629
$727.90 List price: $970.50
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Chint NM8N 100A 3P MCCB features 70kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, 3-Phase Circuit Breaker, NM8N-125Q TM 100A 3P

Technical Specifications
  • Rated Current: 100 A
  • Frame Size: 125 A
  • Number of Poles: 3P
  • Trip Unit: Adjustable thermal-magnetic
  • Breaking Capacity: 70 kA at 380/400/415 VAC
  • Rated Operational Voltage: 380/415 VAC
  • Maximum Operational Voltage: 690 VAC
  • Rated Insulation Voltage: 1000 VAC
  • Rated Impulse Withstand Voltage: 8 kV
  • Trip Current Adjustment: 0.7–1.0 x In
  • Utilisation Category: Category A
  • Ingress Protection: IP40 with terminal covers
  • Electrical Supply: AC, 50/60 Hz
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.19 kg
Key Features
  • High 70 kA short-circuit breaking capacity at 380/400/415 VAC
  • Three-pole protection for three-phase distribution systems
  • Adjustable thermal-magnetic overcurrent protection
  • 125 A frame with a 100 A rated current
  • Suitable for switchboard mains and sub-mains protection
  • Suitable for isolation
  • Compatible with optional MCCB accessories including auxiliary and alarm contacts, shunt trips and undervoltage releases
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrical professional in accordance with the manufacturer's instructions, applicable switchboard requirements and AS/NZS 3000. Verify prospective fault current, cable capacity, discrimination and thermal performance before installation.
Applications
  • Main circuit protection in commercial and industrial switchboards
  • Sub-main protection in low-voltage distribution boards
  • Three-phase power distribution systems
  • Industrial power centres and motor control centre distribution sections
  • Protection of feeders and downstream switchboard circuits
Standards & Compliance
  • Applicable Australian/New Zealand product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Manufacturer product documentation specifies IEC/EN 60947-2; confirm Australian market certification and RCM requirements before installation
Environmental Benefits
  • RoHS documentation is available for the NM8N product family, supporting restriction of hazardous substances
  • Thermal-magnetic protection can help prevent cable and equipment damage, reducing premature replacement and material waste
  • Durable moulded-case construction and long operating life can reduce replacement frequency
  • Metallic components and electrical materials can be separated for recycling at end of service life
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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