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MCCB 3P 20A 100kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271662
$1,118.30 List price: $1,491.10
+ −
Chint NM8N 20A 3P MCCB features 100kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N-TM-125H-3P-20, 3 Pole MCCB, Moulded Case Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Model: NM8N-TM-125H-3P-20
  • Ordering Code: 271662
  • Product Type: Moulded case circuit breaker
  • Number of Poles: 3P
  • Rated Current: 20 A
  • Frame Rating: 125 A
  • Trip Unit: Thermal-magnetic, TM
  • Ultimate Breaking Capacity Icu: 100 kA at 380/400/415 V AC
  • Service Breaking Capacity Ics: 100 kA at 380/400/415 V AC
  • Rated Operational Voltage: 380/400/415, 440, 500, 660/690 V AC
  • Rated Frequency: 50/60 Hz
  • Rated Insulation Voltage Ui: 1,000 V AC
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Thermal Adjustment Range: 0.7–1.0 x In, equivalent to 14–20 A
  • Instantaneous Magnetic Setting: 10 x In, nominally 200 A
  • Utilisation Category: A
  • Installation: Fixed mounting with front connection
  • Isolation Suitability: Suitable for isolation
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.19 kg
Key Features
  • 100 kA short-circuit breaking capacity at 380/400/415 V AC
  • Three-pole protection for three-phase distribution systems
  • Thermal-magnetic trip unit provides overload and instantaneous short-circuit protection
  • 125 A frame with a 20 A rated trip setting
  • Adjustable thermal overload setting from 14 A to 20 A
  • Suitable for switchboard mains, sub-mains and industrial distribution boards
  • Can be used as an isolating device when installed in accordance with the applicable electrical requirements
Professional Installation Requirements
  • Installation, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and the switchboard manufacturer's requirements. Confirm prospective fault current, discrimination, cable capacity and terminal torque before energising.
Applications
  • Switchboard mains protection
  • Sub-mains protection
  • Industrial and commercial distribution boards
  • Three-phase power distribution circuits
  • Power centres and motor control centre assemblies
  • Protection of electrical equipment against overload and short circuit
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 — applicable Australian/New Zealand product standard for low-voltage circuit-breakers
Environmental Benefits
  • RoHS documentation is available for the NM8N series, supporting restricted-substance compliance
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Metal components and the moulded housing can be separated for responsible end-of-life recycling where local facilities accept them
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 customer contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.