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MCCB 4P 32A 100kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271684
$1,336.70 List price: $1,782.20
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 32A 4P MCCB features 100kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: NM8N-125H-32/4/21 MCCB, CHINT 125A Frame MCCB, 4-Pole Moulded Case Circuit Breaker, Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Product Series: NM8N
  • Frame Size: 125A
  • Rated Current: 32A
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic, distribution protection
  • Overload Adjustment: 22.4–32A, adjustable thermal setting
  • Rated Ultimate Short-Circuit Breaking Capacity: 100kA at 380/400/415V AC
  • Rated Service Short-Circuit Breaking Capacity: 100kA at 380/400/415V AC
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Utilisation Category: A
  • Neutral Protection: Protected neutral pole
  • Isolation Function: Suitable for isolation
  • Mechanical Endurance: 25,000 operating cycles
  • Electrical Endurance: 10,000 operating cycles at 415V AC and rated current
  • Reference Model: NM8N-125H-32/4/21
  • 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
  • 100kA high short-circuit breaking capacity at 380/400/415V AC
  • Thermal-magnetic trip unit for overload and short-circuit protection
  • 125A frame with a 32A adjustable-rated trip unit
  • Protected neutral configuration for switchboard applications
  • Suitable for main incomer and distribution protection
  • Compact moulded-case construction suitable for commercial and industrial switchboards
  • Designed for low-voltage AC distribution systems
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Confirm prospective fault current, discrimination, cable sizing, termination torque and enclosure clearances before energisation.
Applications
  • Switchboard mains protection
  • Three-phase commercial distribution boards
  • Industrial low-voltage power distribution
  • Protection of feeders, submains and electrical equipment
  • Commercial buildings, industrial facilities and data-centre power systems
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • AS/NZS 3000:2018 for electrical installation selection, installation and verification requirements
Environmental Benefits
  • Thermal-magnetic protection can help prevent equipment damage and reduce premature replacement of electrical assets
  • Durable moulded-case construction and high mechanical endurance support a long service life
  • Circuit protection helps limit fault damage, reducing material waste from downstream equipment failures
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels; contractual or local Australian warranty terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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