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MCCB 4P 1250A 70kA Basic Electronic 1600A Frame NM8N Chint

BRAND: CABAC
SKU: 263120
$8,734.70 List price: $11,646.30
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Chint NM8N 1250A 4P MCCB features 70kA breaking capacity, basic electronic trip unit with protected neutral and a 1600A frame. For switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Electronic MCCB, Main Switchboard Circuit Breaker, 1600A Frame MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 1600A
  • Rated Current: 1250A
  • Number of Poles: 4P protected-neutral configuration
  • Trip Unit: EN basic electronic release
  • Breaking Capacity: 70kA at 380/415V AC
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: Up to 1000V
  • Frequency: 50/60Hz
  • Protection Functions: Adjustable overload and short-circuit protection
  • Long-Time Current Setting: 0.4–1.0 × In
  • Mounting: Fixed installation with front or rear connection options
  • Utilisation Category: Category B electronic circuit breaker
  • Dimensions (H x L x W): 286mm x 167mm x 280mm
  • Weight: 17 kg
Key Features
  • 70kA short-circuit breaking capacity for high-fault-level installations
  • 1250A rated current on a robust 1600A frame
  • Basic electronic trip unit for adjustable protection settings
  • Four-pole configuration with protected neutral
  • Suitable for main switchboard and low-voltage distribution applications
  • Supports overload and short-circuit protection
  • Can be installed vertically or horizontally, subject to manufacturer clearances
  • Designed for industrial, commercial and data-centre power distribution
Professional Installation Requirements
  • Installation, cable termination, protection setting and commissioning must be performed by a licensed electrician or suitably qualified switchboard professional. Verify fault levels, discrimination, neutral protection settings, clearances and enclosure requirements before energisation. Installation should comply with AS/NZS 3000 and the applicable switchboard assembly requirements.
Applications
  • Main switchboard incoming protection
  • Low-voltage commercial and industrial distribution boards
  • Data-centre and critical-power distribution systems
  • Large commercial building electrical services
  • Generator and transformer secondary protection
  • High-capacity feeder and busbar protection
Standards & Compliance
  • IEC/EN 60947-2 for low-voltage circuit breakers
  • AS/NZS 60947.2 is the applicable Australian/New Zealand adoption for low-voltage circuit breakers; confirm local certification and RCM requirements before installation
  • AS/NZS 3000 requirements apply to the electrical installation and connection method
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Copper, aluminium and steel components used in switchgear are recyclable at end of service life
  • Adjustable electronic protection can support accurate system coordination and reduce unnecessary equipment damage
  • RoHS documentation is available for the NM8N product range
Warranty Information

CHINT low-voltage apparatus is covered for defects in materials and workmanship for 27 months from the date of manufacture when purchased through authorised sales channels. Contract terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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