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MCCB 3P 160A 50kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271172
$879.20 List price: $1,172.20
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Chint NM8N 160A 3P MCCB features 50kA breaking capacity, thermal-magnetic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N-250S-TM-3P-160 MCCB, 160A Moulded Case Circuit Breaker, 3-Pole Thermal-Magnetic Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker (MCCB)
  • Frame Size: 250A
  • Rated Current: 160A
  • Number of Poles: 3P
  • Trip Unit: Adjustable thermal-magnetic
  • Breaking Capacity: 50kA at AC 380/415V
  • Rated Operational Voltage: AC 380/400/415V, 440V, 500V and 660/690V at 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Thermal Trip Adjustment: 0.7 to 1.0 x In
  • Magnetic Trip Adjustment: 7 to 12 x In for 125A to 160A settings
  • Utilisation Category: A
  • Mounting: Fixed installation
  • Connection: Front connection with copper conductors and cable lugs
  • Terminal Tightening Torque: 11Nm for M8 terminals
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • 50kA short-circuit breaking capacity for high-fault-level distribution systems
  • Adjustable thermal overload and magnetic short-circuit protection
  • Compact 250A frame with a 160A rated current
  • Three-pole configuration for three-phase distribution circuits
  • Suitable for switchboard mains, sub-mains and commercial power distribution
  • Suitable for isolation
  • Optional shunt release, undervoltage release, motor mechanism, auxiliary contacts and terminal shrouds available for the NM8N platform
Professional Installation Requirements
  • Installation, testing and commissioning should be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements. Confirm fault levels, cable ratings, discrimination and required RCM compliance before installation.
Applications
  • Switchboard mains protection
  • Sub-main protection
  • Commercial and industrial power distribution
  • Three-phase feeder protection
  • Low-voltage distribution boards and electrical control panels
Standards & Compliance
  • Applicable product standard: AS/NZS 60947.2 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000 Wiring Rules
  • Confirm that the specific Australian-supplied unit carries the required Regulatory Compliance Mark before use
Environmental Benefits
  • Copper and other metal components can be recovered and recycled at end of service life
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Replaceable accessories and serviceable construction can extend the useful life of the circuit breaker
  • RoHS declarations are available for the NM8N product family, subject to the specific product variant
Warranty Information

CHINT warranty policy covers other low-voltage apparatus against defects in materials and workmanship for 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable contract and warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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