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MCCB 3P 50A 70kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271626
$727.90 List price: $970.50
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Chint NM8N 50A 3P MCCB features 70kA 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, Thermal-Magnetic MCCB, 3-Phase Circuit Breaker, NM8N-125Q TM 50A 3P

Technical Specifications
  • Product Type: Moulded Case Circuit Breaker
  • Series: NM8N
  • Rated Current: 50 A
  • Number of Poles: 3P
  • Frame Size: 125 A
  • Trip Unit: Adjustable thermal-magnetic, TM
  • Breaking Capacity: 70 kA Icu
  • Overload Adjustment Range: 35–50 A
  • Rated Operational Voltage: 380/415 V AC
  • Rated Insulation Voltage: 1,000 V
  • Frequency: 50/60 Hz
  • Protection Rating: IP40
  • Utilisation Category: A
  • Mechanical Life: 15,000 operating cycles
  • Connection: Fixed front connection
  • Installation Orientation: Vertical or horizontal mounting; top or bottom line entry
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.19 kg
Key Features
  • 70 kA ultimate short-circuit breaking capacity
  • Adjustable thermal-magnetic overload and short-circuit protection
  • Three-pole configuration for three-phase circuits
  • Compact 125 A frame suitable for switchboard assemblies
  • Suitable for mains, sub-mains and distribution protection
  • Supports front connection and flexible installation orientation
  • Maintenance-free operating mechanism
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrical contractor in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and applicable local regulations. Confirm prospective fault current, discrimination, cable capacity and required Australian conformity markings before installation.
Applications
  • Switchboard mains protection
  • Sub-main protection
  • Three-phase distribution boards
  • Commercial and industrial power distribution
  • Motor and equipment feeder protection where the thermal-magnetic characteristics are suitable
  • Short-circuit and overload protection in low-voltage AC installations
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand product standard for low-voltage circuit-breakers
  • Installations should comply with AS/NZS 3000:2018 and applicable amendments
  • Verify Australian regulatory acceptance, including required RCM marking, before installation
Environmental Benefits
  • Reusable protective device with a long mechanical service life, helping reduce replacement frequency and equipment waste
  • Metal and thermoplastic components may be recoverable through suitable electrical equipment recycling streams at end of life
  • Helps limit damage to downstream electrical equipment during overload and short-circuit events
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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