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MCCB 3P 225A 100kA Magnetic Only 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271443
$2,911.60 List price: $3,882.10
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 225A 3P MCCB features 100kA breaking capacity, magnetic-only trip unit for motor protection and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 225A MCCB, 3-Pole Motor Protection Circuit Breaker, 250A Frame MCCB, Magnetic Trip MCCB

Technical Specifications
  • Rated Current: 225 A
  • Number of Poles: 3P
  • Frame Size: 250 A
  • Trip Unit: Magnetic-only motor protection type M
  • Ultimate Breaking Capacity Icu: 100 kA at 380–415 V AC
  • Service Breaking Capacity Ics: 100% of Icu at 380–415 V AC
  • Rated Operational Voltage: Up to 690 V AC, 50/60 Hz
  • Rated Insulation Voltage Ui: 1,000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Instantaneous Magnetic Trip Setting: 9–14 × In for motor protection
  • Utilisation Category: A
  • Mounting: Fixed front or rear connection; DIN rail compatible
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 operating cycles at 415 V AC and rated current
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • 225 A rated current in a compact 250 A frame
  • Three-pole moulded case circuit breaker
  • Magnetic-only trip unit designed for motor short-circuit protection
  • High 100 kA ultimate short-circuit breaking capacity at 380–415 V AC
  • Adjustable instantaneous magnetic trip range for motor applications
  • Suitable for switchboard and industrial power distribution assemblies
  • Can be used for isolation where the installation design permits
  • Fixed front- or rear-connection mounting options
Professional Installation Requirements
  • Installation, selection and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000, the switchboard design and applicable manufacturer instructions. Motor overload protection must be provided separately because this model has a magnetic-only trip unit.
Applications
  • Motor feeder short-circuit protection
  • Industrial motor control panels
  • Switchboard mains and feeder protection
  • Commercial and industrial power distribution
  • High-fault-level electrical installations
Standards & Compliance
  • AS/NZS IEC 60947.2: Applicable product standard for low-voltage moulded-case circuit breakers
  • AS/NZS 3000: Installation and wiring requirements for Australian electrical installations
  • Verify the product’s Australian RCM status and installation suitability before use
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Metal components and copper terminals can be recovered through appropriate electrical equipment recycling streams
  • Suitable for motor protection systems that can support reliable and efficient operation of industrial equipment
  • Moulded polymer and metal construction allows component recovery at end of service life where recycling facilities accept MCCBs
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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