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MCCB 4P 125A 50kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271183
$1,257.30 List price: $1,676.40
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Chint NM8N 125A 4P MCCB features 50kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N 250S MCCB, 4P moulded-case circuit breaker, 125A 50kA MCCB

Technical Specifications
  • Rated Current: 125 A
  • Frame Size: 250 A
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic
  • Breaking Capacity: 50 kA at 380–415 V AC
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage: 1000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Frequency: 50/60 Hz
  • Utilisation Category: A
  • Installation: Fixed mounting
  • Isolation Function: Suitable for isolation
  • Mechanical Endurance: Up to 25,000 operating cycles
  • Electrical Endurance: Up to 10,000 operating cycles at 415 V AC
  • Neutral Pole: Neutral pole with optional overcurrent protection configuration
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • Four-pole protection for three-phase systems with neutral
  • Thermal-magnetic release for overload and short-circuit protection
  • 250A frame with a 125A rated current
  • 50kA short-circuit breaking capacity at 380–415V AC
  • Suitable for main switchboard and low-voltage power distribution protection
  • Can be installed with line entry from the top or bottom
  • Compatible with selected CHINT auxiliary, shunt-release and undervoltage-release accessories
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, applicable electrical regulations and the approved switchboard design. Confirm fault levels, cable ratings, discrimination and neutral protection requirements before installation.
Applications
  • Switchboard mains protection
  • Three-phase commercial and industrial distribution boards
  • Low-voltage power distribution systems
  • Incoming supply and submain protection
  • Industrial plant and building services switchboards
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand standard for low-voltage circuit-breakers; verify product marking, local certification and installation suitability before use in Australia.
  • Manufacturer product certification is based on IEC/EN 60947-2 requirements.
Environmental Benefits
  • Durable moulded-case construction can support a long service life and reduce replacement waste
  • Copper and metallic components can be recovered through appropriate electrical equipment recycling
  • Provides reliable fault protection that can help reduce damage to downstream electrical equipment
Warranty Information

CHINT warranty information for low-voltage apparatus generally provides 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable sales terms and exclusions.

Available Now

Available through authorised CHINT distributors in Australia.

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