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MCCB 3P 25A 50kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271583
$714.30 List price: $952.40
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Chint NM8N 25A 3P MCCB features 50kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 125A Frame MCCB, 3P 25A Moulded Case Circuit Breaker, NM8N-125S TM 25A MCCB

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Series: NM8N-125S
  • Frame Size: 125A
  • Rated Current: 25A
  • Number of Poles: 3P
  • Trip Unit: Thermal-magnetic, adjustable
  • Breaking Capacity: 50kA
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Frequency: 50/60Hz AC
  • Ingress Protection: IP40
  • Mechanical Endurance: Up to 15,000 operations
  • Electrical Endurance: Up to 1,500 operations
  • Installation: Mounting plate; suitable for vertical or horizontal installation
  • Connection: Top or bottom line entry
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.24 kg
Key Features
  • Three-pole protection for three-phase distribution systems
  • 50kA ultimate short-circuit breaking capacity
  • Thermal-magnetic trip protection for overload and short-circuit conditions
  • 125A frame with a 25A rated current
  • Adjustable thermal protection range suitable for system coordination
  • Suitable for switchboard mains, sub-mains and industrial distribution applications
  • Can be installed with line entry from either the top or bottom
  • Compatible with selected NM8N accessories including auxiliary and alarm contacts
Professional Installation Requirements
  • Installation, adjustment and testing must be performed by a licensed electrician in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and applicable electrical regulations. Confirm fault level, cable capacity, discrimination and enclosure suitability before installation.
Applications
  • Switchboard mains protection
  • Sub-mains and feeder protection
  • Industrial and commercial power distribution
  • Three-phase motor and equipment feeder protection
  • Low-voltage distribution boards
  • Overload and short-circuit protection in electrical installations
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 — applicable product standard for low-voltage circuit-breakers including MCCBs
  • AS/NZS 3000 — installation and wiring requirements for Australian electrical installations
Environmental Benefits
  • RoHS documentation is available for the NM8N product range, supporting restricted-substance requirements
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Copper and metal components can be recovered through appropriate electrical equipment recycling streams
Warranty Information

CHINT general warranty for other low-voltage apparatus is 27 months from the date of manufacture when purchased through authorised sales channels. Contractual and local distributor warranty terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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