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MCCB 4P 160A 36kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271154
$1,058.80 List price: $1,411.70
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Chint NM8N 160A 4P MCCB features 36kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, 4-Pole MCCB, Thermal-Magnetic Circuit Breaker, NM8N-250C-160/4/22

Technical Specifications
  • Rated Current: 160 A at 40°C
  • Frame Size: 250 A
  • Number of Poles: 4P
  • Breaking Capacity: 36 kA at 380/400/415 V AC
  • Trip Unit: Thermal-magnetic
  • Thermal Trip Adjustment: 0.7–1.0 x In
  • Magnetic Trip Adjustment: 7–12 x In for 125–160 A models
  • Rated Insulation Voltage: 1,000 V AC
  • Rated Impulse Withstand Voltage: 8 kV
  • Rated Operational Voltage: 380/400/415 V AC, with versions available up to 690 V AC
  • Frequency: 50/60 Hz
  • Utilisation Category: A
  • Isolation Function: Suitable for isolation
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 operating cycles at 415 V AC and rated current
  • Connection: Fixed front connection
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • Four-pole configuration for three-phase systems with neutral switching
  • 250 A frame fitted with a 160 A thermal-magnetic trip unit
  • 36 kA ultimate and service short-circuit breaking capacity at 380/400/415 V AC
  • Adjustable thermal and magnetic trip settings
  • Suitable for switchboard mains and feeder protection
  • Suitable for isolation
  • Zero arcing distance design
  • Accessory options include auxiliary contacts, shunt release and undervoltage release
Professional Installation Requirements
  • Installation, selection, adjustment and commissioning must be performed by a licensed electrician in accordance with the applicable wiring rules, fault-level requirements, manufacturer instructions and switchboard design standards.
Applications
  • Switchboard mains protection
  • Three-phase commercial and industrial distribution boards
  • Feeder protection in low-voltage power distribution systems
  • Motor and equipment supply protection where the selected trip characteristics are suitable
  • Electrical distribution systems requiring four-pole isolation
Standards & Compliance
  • Product design is to IEC/EN 60947-2 for moulded-case circuit breakers; confirm the specific Australian-market unit's AS/NZS IEC 60947.2 conformity, RCM status and installation suitability before use in Australia
  • Installation should comply with AS/NZS 3000 and applicable switchboard requirements
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and material waste
  • Moulded-case circuit breakers contain recyclable metal conductors and hardware at end of service life
  • Provides overcurrent protection that can help prevent damage to electrical equipment and associated material waste
Warranty Information

CHINT's published warranty policy states 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to contract terms and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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