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MCCB 3P 32A 70kA Basic Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271341
$1,237.40 List price: $1,649.90
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Chint NM8N 32A 3P MCCB features 70kA breaking capacity, basic electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, 3-Phase MCCB, Electronic Trip MCCB, NM8N-250Q EN 32 3P

Technical Specifications
  • Series: NM8N
  • Product configuration: NM8N-250Q EN 32 3P
  • Rated current: 32 A
  • Number of poles: 3P
  • Frame size: 250 A
  • Breaking capacity: 70 kA at 380/400/415 V AC
  • Trip unit: Basic electronic, EN type
  • Rated insulation voltage Ui: 1,000 V
  • Rated impulse withstand voltage Uimp: 8 kV
  • Rated operational voltage: 380/400/415 V AC, with ratings available up to 690 V AC
  • Rated frequency: 50/60 Hz
  • Utilisation category: A
  • Short-time withstand current Icw: 1 kA for 1 second
  • Suitable for isolation: Yes
  • Mechanical endurance: Up to 25,000 operating cycles
  • Electrical endurance: Up to 10,000 operating cycles at 415 V AC and rated current
  • Installation type: Fixed mounting
  • Dimensions (H x L x W): 157mm x 105mm x 88.7mm
  • Weight: 2 kg
Key Features
  • 70 kA short-circuit breaking capacity for high-fault-level distribution systems
  • Basic electronic trip unit for adjustable and accurate overload and short-circuit protection
  • Compact 250 A frame with a 32 A rated current
  • Three-pole construction for three-phase circuit protection
  • Suitable for switchboard mains, sub-mains and commercial or industrial distribution boards
  • Supports circuit isolation and coordinated protection schemes
  • Operating temperature range of approximately -35°C to +70°C for the basic electronic type
Professional Installation Requirements
  • Installation, connection and commissioning must be performed by a licensed electrician in accordance with applicable Australian electrical legislation, the manufacturer's instructions and AS/NZS 3000. Verify prospective fault current, discrimination, cable protection and enclosure requirements before installation.
Applications
  • Switchboard mains protection
  • Sub-main protection
  • Commercial and industrial distribution boards
  • Three-phase power distribution systems
  • Motor and equipment feeder protection where the selected trip settings are suitable
  • High fault-level electrical installations
Standards & Compliance
  • Designed to IEC/EN 60947-2 for low-voltage circuit-breakers
  • Applicable Australian and New Zealand adoption: AS/NZS IEC 60947.2:2015, subject to verification of the specific product certification and installation requirements
Environmental Benefits
  • Resettable circuit-breaker design can reduce consumable replacement waste compared with one-time fuses
  • Durable MCCB construction and high mechanical endurance can extend service life and reduce replacement frequency
  • Electronic protection settings can help limit fault damage to downstream equipment and reduce unnecessary component replacement
Warranty Information

CHINT's general policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship, subject to authorised sales channels, contract terms and applicable conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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