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MCCB 3P 125A 150kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271710
$1,204.30 List price: $1,605.80
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Chint NM8N 125A 3P MCCB features 150kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, 3-Phase MCCB, Thermal-Magnetic Circuit Breaker, Main Switch Circuit Breaker

Technical Specifications
  • Frame Size: 125A
  • Rated Current: 125A
  • Number of Poles: 3P
  • Trip Unit: Thermal-magnetic
  • Ultimate Breaking Capacity: 150kA at 380–415V AC
  • Service Breaking Capacity: 150kA at 380–415V AC
  • Overload Trip Adjustment: 87.5–125A
  • Magnetic Trip Setting: 10 times rated current for power distribution
  • Rated Insulation Voltage: 1,000V AC
  • Rated Operational Voltage: Up to 690V AC
  • Frequency: 50/60Hz
  • Ingress Protection: IP40
  • Mechanical Endurance: Up to 15,000 cycles
  • Installation: Fixed mounting with top or bottom line entry
  • Dimensions (H x L x W): 140mm x 90mm x 78.5mm
  • Weight: 1.24 kg
Key Features
  • High 150kA short-circuit breaking capacity at 380–415V AC
  • Adjustable thermal overload protection from 70% to 100% of frame rating
  • Thermal-magnetic protection for overload and short-circuit faults
  • Three-pole configuration for three-phase distribution systems
  • Suitable for switchboard mains and sub-mains protection
  • Can be installed vertically or horizontally
  • Top and bottom line entry options
  • Accessory-compatible modular construction
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer's instructions and applicable local electrical requirements. Verify system fault level, discrimination, conductor ratings and local approval requirements before installation.
Applications
  • Switchboard mains protection
  • Sub-main circuit protection
  • Industrial and commercial low-voltage distribution
  • Three-phase power distribution systems
  • Motor control centres and power distribution panels
  • Short-circuit and overload protection for high-fault-level installations
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000:2018 Electrical installations
  • Verify Australian approval and RCM requirements for the specific supplied variant before installation
Environmental Benefits
  • RoHS-related restricted-substance controls are available for the NM8N product family
  • Long mechanical service life can reduce replacement frequency and associated material waste
  • Metallic and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
Warranty Information

CHINT low-voltage apparatus sold through authorised sales channels is covered for defects in materials and workmanship for 27 months from the date of manufacture, subject to the applicable contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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