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MCCB 3P 160A 36kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271142
$824.20 List price: $1,099.00
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Chint NM8N 160A 3P MCCB features 36kA breaking capacity, thermal-magnetic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N-250C TM 160A 3P MCCB, moulded case circuit breaker, thermal-magnetic circuit breaker, 250A frame MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 250A
  • Rated Current: 160A at 40°C
  • Number of Poles: 3P
  • Trip Unit: Thermal-magnetic
  • Breaking Capacity: 36kA at AC 380/400/415V
  • Rated Operational Voltage: AC 380/400/415V, 440V, 500V and 660/690V, 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Thermal Trip Adjustment: 0.7–1.0 x In
  • Magnetic Trip Range: 7–12 x In for 125–160A power-distribution protection
  • Utilisation Category: Category A
  • Mounting: Fixed installation
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • 160A rated current within a 250A frame
  • Three-pole configuration for three-phase circuit protection
  • 36kA ultimate and service short-circuit breaking capacity at AC 380/400/415V
  • Thermal-magnetic protection for overload and short-circuit conditions
  • Suitable for switchboard mains and sub-mains protection
  • Adjustable thermal and magnetic trip settings
  • Compatible with CHINT NM8N accessories, subject to model selection
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. Verify prospective fault current, discrimination, cable rating, terminal torque and enclosure clearances before energising.
Applications
  • Switchboard mains protection
  • Sub-main protection in commercial and industrial installations
  • Three-phase distribution boards
  • Industrial plant and machinery supply circuits
  • Building services and HVAC electrical distribution
  • Low-voltage power-distribution systems
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers, subject to verification of the supplied product's Australian approval and RCM requirements
  • AS/NZS 3000 for electrical installation, selection and installation requirements
Environmental Benefits
  • RoHS documentation is available for the NM8N product family, supporting restriction of hazardous substances in the electrical assembly
  • Durable moulded-case construction can support a long service life and reduce replacement waste
  • Metallic conductor and mechanism components are recyclable through appropriate electrical equipment recycling channels at end of life
Warranty Information

CHINT's general warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when sold through authorised channels. Contract terms and exclusions may apply, including improper installation, misuse or unauthorised modification.

Available Now

Available through authorised CHINT distributors in Australia.

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