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MCCB 3P 180A 100kA Magnetic Only 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271441
$2,911.60 List price: $3,882.10
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Chint NM8N 180A 3P MCCB features 100kA breaking capacity, magnetic-only trip unit for motor protection and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Motor Protection MCCB, Magnetic-Only Circuit Breaker, NM8N-250H

Technical Specifications
  • Product Series: NM8N-250H
  • Number of Poles: 3P
  • Rated Current: 180A
  • Frame Size: 250A
  • Trip Unit: Magnetic-only motor protection type M
  • Rated Ultimate Breaking Capacity Icu: 100kA at 380/400/415V AC
  • Rated Service Breaking Capacity Ics: 100kA at 380/400/415V AC
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage Ui: 1000V AC
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Utilisation Category: A
  • Mounting: Fixed or DIN rail mounting options
  • Connection: Front or rear connection options
  • Isolation Function: Suitable for isolation
  • Magnetic Trip Setting: 9–14 times rated current for motor protection
  • External Overload Protection: Required where overload protection is not provided elsewhere
  • Dimensions (H x L x W): 157mm x 88.7mm x 105mm
  • Weight: 1.85 kg
Key Features
  • 100kA short-circuit breaking capacity at 380/400/415V AC
  • Magnetic-only trip unit designed for motor circuit short-circuit protection
  • 250A frame accepts a rated current of 180A
  • Three-pole configuration for three-phase systems
  • Suitable for switchboard mains and industrial power distribution applications
  • High 1000V insulation rating and 8kV impulse withstand rating
  • Compatible with fixed, DIN rail, front-connection and rear-connection arrangements
  • Suitable for isolation when installed in an appropriate system
  • Separate overload protection should be provided for motor applications
Professional Installation Requirements
  • Installation, selection and commissioning must be performed by a licensed electrician in accordance with applicable wiring rules, manufacturer instructions and coordinated motor protection requirements. Verify fault levels, cable ratings, discrimination and any required external overload protection before installation.
Applications
  • Switchboard mains protection
  • Three-phase motor circuit short-circuit protection
  • Industrial power distribution boards
  • Commercial electrical distribution systems
  • Motor control centres and feeder protection
  • Low-voltage systems requiring high fault-current withstand capacity
Standards & Compliance
  • AS/NZS IEC 60947.2 for low-voltage circuit-breakers
  • AS/NZS 3000 may apply to the electrical installation, wiring and switchboard installation
Environmental Benefits
  • Durable moulded-case construction can support long service life and reduce replacement waste
  • Metal terminals and conductive components are recyclable through appropriate electrical recycling streams
  • High breaking capacity can help limit fault damage to associated equipment and reduce unnecessary component replacement
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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