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MCCB 3P 180A 100kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271221
$1,191.10 List price: $1,588.10
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Chint NM8N 180A 3P MCCB features 100kA breaking capacity, thermal-magnetic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Thermal-Magnetic MCCB, 3-Phase Circuit Breaker, NM8N-250H TM 180 3P

Technical Specifications
  • Rated Current: 180 A
  • Number of Poles: 3P
  • Frame Size: 250 A
  • Release Type: Thermal-magnetic
  • Breaking Capacity: 100 kA at 380–415 VAC
  • Rated Operational Voltage: 380/400/415 VAC
  • Rated Insulation Voltage: 1000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Frequency: 50/60 Hz
  • Installation: Fixed mounting with front or rear connection; DIN-rail mounting with adaptor
  • Utilisation Category: A
  • Mechanical Life: 15,000 operating cycles
  • Electrical Life at 415 VAC: 6,000 operating cycles
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • 100 kA ultimate short-circuit breaking capacity at 380–415 VAC
  • Thermal-magnetic overload and short-circuit protection
  • Three-pole configuration for three-phase circuits
  • 250 A moulded-case frame with an 180 A rated trip current
  • Adjustable instantaneous magnetic release setting for 180–250 A variants
  • Suitable for switchboard mains and sub-mains protection
  • Can be installed vertically or horizontally with top or bottom line entry
  • Maintenance-free operating mechanism
Professional Installation Requirements
  • Installation, testing and commissioning must be carried out by a licensed electrician in accordance with applicable Australian wiring rules, manufacturer instructions and switchboard requirements. Verify prospective fault current, discrimination, cable capacity and enclosure clearances before energisation.
Applications
  • Switchboard mains protection
  • Sub-main protection
  • Commercial and industrial distribution boards
  • Three-phase power distribution systems
  • Protection of electrical equipment and outgoing feeders
  • Industrial buildings, commercial premises and data-centre power distribution
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Electrical installation and switchboard integration should comply with AS/NZS 3000 and applicable AS/NZS 61439 requirements
Environmental Benefits
  • RoHS declaration is available for the NM8N series, supporting restricted-substance compliance
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Metallic and thermoplastic components may be separated for recycling at end of service life, subject to local recycling facilities
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus, including MCCBs, when sold through authorised sales channels. Contractual terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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