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MCCB 4P 125A 100kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271690
$1,336.70 List price: $1,782.20
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Chint NM8N 125A 4P MCCB features 100kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 125A frame. For switchboard mains protection.

Alternatively Known As: CHINT NM8N 4-Pole MCCB, 125A Moulded Case Circuit Breaker, 100kA MCCB, Protected-Neutral MCCB

Technical Specifications
  • Rated Current: 125 A
  • Number of Poles: 4P
  • Trip Unit: Adjustable thermal-magnetic
  • Frame Rating: 125 A
  • Ultimate Short-Circuit Breaking Capacity: 100 kA at 380–415 V AC
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Insulation Voltage: 1000 V AC
  • Rated Impulse Withstand Voltage: 8 kV
  • Thermal Trip Adjustment: 0.7–1.0 x In
  • Magnetic Trip Range: 7–12 x In
  • Neutral Protection: Protected neutral pole
  • Utilisation Category: A
  • Isolation Function: Suitable for isolation
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 cycles at 415 V AC and rated current
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 140mm x 78.5mm x 120mm
  • Weight: 1.55 kg
Key Features
  • 100 kA ultimate short-circuit breaking capacity at 380–415 V AC
  • Four-pole configuration for three-phase and neutral switching
  • Adjustable thermal-magnetic overload and short-circuit protection
  • Protected neutral suitable for switchboard mains applications
  • Suitable for low-voltage AC distribution systems
  • Can be installed with line entry from the top or bottom
  • Suitable for vertical or horizontal installation
  • Supports isolation requirements
  • High mechanical and electrical operating endurance
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and applicable electrical safety regulations. Confirm fault levels, conductor sizing, discrimination and local certification requirements before installation.
Applications
  • Switchboard mains protection
  • Commercial and industrial low-voltage distribution boards
  • Three-phase power distribution with neutral protection
  • Main incoming protection for commercial buildings and plant rooms
  • Protection of feeders and submains against overload and short circuit
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 — applicable standard for low-voltage circuit-breakers
  • AS/NZS 3000:2018 — electrical installation requirements applicable to installation in Australia
Environmental Benefits
  • Metal components are recyclable at end of service life
  • Long mechanical and electrical life can reduce replacement frequency and associated waste
  • Thermal-magnetic protection helps limit equipment damage from overload and short-circuit conditions
  • NM8N series documentation includes RoHS environmental compliance information
Warranty Information

CHINT's general warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture when products are sold through authorised channels. Contractual terms and Australian distributor conditions may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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