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MCCB 3P 160A 50kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271384
$997.90 List price: $1,330.50
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Chint NM8N 160A 3P MCCB features 50kA breaking capacity, standard electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N-250 EM 160A MCCB, 160A 3-Pole Moulded Case Circuit Breaker, Electronic MCCB

Technical Specifications
  • Rated Current: 160 A
  • Number of Poles: 3P
  • Frame Size: 250 A
  • Breaking Capacity: 50 kA at 415 V AC
  • Trip Unit: Standard electronic EM type
  • Long-Time Current Setting: 0.4–1.0 x In, adjustable in 1 A steps
  • Short-Time Current Setting: 1.5–10 x Ir, adjustable or OFF
  • Instantaneous Current Setting: 1.5–12 x In, adjustable or OFF
  • Earth-Fault Protection: 0.4–1.0 x In, adjustable or OFF
  • Rated Operational Voltage: 380/400/415 V AC, with higher-voltage ratings available by configuration
  • Rated Insulation Voltage: 1,000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Rated Frequency: 50/60 Hz
  • Utilisation Category: Category A
  • Connection: Fixed mounting, suitable for isolation
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • Three-pole moulded case circuit breaker for low-voltage power distribution
  • 50 kA short-circuit breaking capacity at 415 V AC
  • 250 A frame with a 160 A rated current
  • Standard electronic trip unit with overload, short-time, instantaneous and earth-fault protection
  • Adjustable protection parameters for system coordination and selectivity
  • Real-time current and fault information display
  • Suitable for switchboard mains, sub-mains and commercial power distribution applications
  • Compatible with NM8N accessories including auxiliary and alarm contacts, rotary handles and terminal shields
Professional Installation Requirements
  • Installation, configuration and commissioning must be performed by a licensed electrician or suitably qualified switchboard professional in accordance with the manufacturer's instructions, applicable electrical regulations and AS/NZS 3000. Protection settings should be selected and verified by a competent electrical professional for the installation.
Applications
  • Switchboard mains protection
  • Sub-main circuit protection
  • Commercial and industrial power distribution
  • Low-voltage distribution boards
  • Protection of feeders, cables and electrical equipment
  • Applications requiring adjustable electronic overcurrent and earth-fault protection
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
Environmental Benefits
  • Metal components such as copper, aluminium and steel can be recovered and recycled at end of service life
  • Adjustable electronic protection can support accurate system coordination and reduce unnecessary equipment replacement
  • Durable moulded-case construction can extend service life and reduce material waste from premature replacement
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus, subject to authorised sales channels, applicable contract terms and the manufacturer's warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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