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MCCB 4P 40A 150kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271725
$1,455.80 List price: $1,941.00
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 40A 4P MCCB features 150kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 125 Frame MCCB, 4-Pole Moulded Case Circuit Breaker, Thermal Magnetic Circuit Breaker, 40A MCCB

Technical Specifications
  • Frame Size: 125A
  • Rated Current: 40A
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic
  • Breaking Capacity: 150kA at 415V AC
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Neutral Protection: Protected neutral pole
  • Thermal Trip Adjustment: 0.7–1.0 × rated current
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 140mm x 78.5mm x 120mm
  • Weight: 1.55 kg
Key Features
  • Four-pole protection for three-phase and neutral circuits
  • High 150kA short-circuit breaking capacity at 415V AC
  • Thermal-magnetic overload and short-circuit protection
  • 125A moulded-case frame with 40A rated current
  • Protected neutral configuration
  • Suitable for fixed installation in switchboards
  • Can be installed with line entry from the top or bottom
Professional Installation Requirements
  • Installation, selection and testing should be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer’s instructions and applicable switchboard requirements. Confirm Australian approval and RCM/EESS status before installation.
Applications
  • Switchboard mains protection
  • Commercial and industrial distribution boards
  • Three-phase power distribution systems with neutral protection
  • Low-voltage feeder and incomer protection
  • Industrial control panels and electrical enclosures
Standards & Compliance
  • Applicable Australian adoption: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000:2018 Wiring Rules
  • Product-specific Australian approval and RCM/EESS status should be verified before installation
Environmental Benefits
  • Durable moulded-case construction can reduce replacement frequency and associated waste
  • Metallic conductive components can be recovered through appropriate electrical equipment recycling
  • Overload and short-circuit protection helps prevent damage to connected equipment and premature replacement
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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