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MCCB 3P 250A 36kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271375
$1,263.80 List price: $1,685.10
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Chint NM8N 250A 3P MCCB features 36kA breaking capacity, standard electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N-250C EM 250 3P MCCB, 250A Electronic Moulded Case Circuit Breaker, 36kA MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Number of Poles: 3P
  • Frame Size: 250A
  • Rated Current: 250A at 40°C
  • Trip Unit: Standard electronic type, EM
  • Ultimate Breaking Capacity: 36kA at AC 380/400/415V
  • Service Breaking Capacity: 36kA at AC 380/400/415V
  • Rated Operational Voltage: AC 380/400/415V, 440V, 500V, 660/690V, 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Mechanical Durability: 15,000 operating cycles
  • Electrical Durability: 6,000 operating cycles at AC 415V and rated current
  • Operating Temperature: -25°C to +70°C for standard electronic trip unit
  • Mounting: Fixed installation with front connection
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 2 kg
Key Features
  • 250A rated current with a 250A frame size
  • Three-pole configuration for three-phase distribution systems
  • Standard electronic trip unit for adjustable overload and short-circuit protection
  • 36kA short-circuit breaking capacity at AC 380/400/415V
  • Suitable for switchboard mains and sub-mains protection
  • Compact NM8N moulded case construction
  • Maintenance-free mechanism with high mechanical durability
  • Suitable for commercial, industrial and infrastructure power distribution
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrical contractor in accordance with applicable wiring rules, manufacturer instructions and the requirements of the switchboard assembly. Verify fault levels, protection settings, discrimination and conductor capacity before energisation.
Applications
  • Main switchboard incoming protection
  • Switchboard sub-main protection
  • Commercial and industrial power distribution
  • Three-phase feeder protection
  • Industrial control panels and distribution boards
  • Protection of large HVAC, plant and motor-control sub-circuits
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers; confirm the specific product certification and RCM requirements before installation in Australia
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Copper, aluminium and steel components can be recovered through appropriate electrical-equipment recycling streams
  • Electronic protection can support accurate fault clearing and reduce damage to downstream equipment
  • Moulded case construction provides durable service for long-life switchboard installations
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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