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MCCB 2P 125A 150kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271700
$939.60 List price: $1,252.90
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Chint NM8N 125A 2P MCCB features 150kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: CHINT NM8N 2P MCCB, moulded-case circuit breaker, 125A high-breaking-capacity circuit breaker

Technical Specifications
  • Device Type: Moulded-case circuit breaker
  • Frame Size: 125A
  • Rated Current: 125A
  • Number of Poles: 2P
  • Trip Unit: Thermal-magnetic, TM
  • Ultimate Breaking Capacity: 150kA at 380/400/415V AC
  • Service Breaking Capacity: 150kA at 380/400/415V AC
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage: 1000V AC
  • Thermal Trip Adjustment: 0.7–1.0 x In
  • Magnetic Trip: 10 x In for power distribution protection
  • Utilisation Category: A
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 cycles at 415V and rated current
  • Installation: Fixed mounting with front or rear connection options
  • Product Standard: IEC 60947-1 and IEC 60947-2
  • Dimensions (H x L x W): 140mm x 78.5mm x 62mm
  • Weight: 0.83 kg
Key Features
  • 125A frame and rated current for high-current distribution protection
  • Two-pole configuration for single-phase mains and sub-mains applications
  • Thermal-magnetic protection against overload and short-circuit conditions
  • 150kA ultimate and service breaking capacity at 415V AC
  • Adjustable thermal overload setting from 0.7 to 1.0 times rated current
  • Suitable for switchboards, commercial buildings, industrial distribution and data centres
  • Can be installed vertically or horizontally with top or bottom line entry
  • Optional accessories and multiple connection configurations available
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable electrical safety requirements. Confirm the supplied unit's Australian certification and RCM requirements before installation.
Applications
  • Switchboard mains protection
  • Single-phase commercial and industrial sub-mains
  • Low-voltage power distribution systems
  • Building services and plant-room distribution boards
  • Data centre and infrastructure power distribution
  • Protection of electrical equipment and downstream circuits
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand product standard for circuit breakers of this type; verify the supplied unit's certification and marking before use.
  • AS/NZS 3000:2018 applies to installation within Australian electrical installations.
Environmental Benefits
  • Metal and thermoplastic components can be separated and recycled through appropriate electrical equipment recycling streams.
  • Long mechanical and electrical service life can reduce replacement frequency and associated material waste.
  • The NM8N series has a published RoHS declaration addressing restricted hazardous substances.
Warranty Information

CHINT warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when purchased through authorised sales channels, subject to contract terms.

Available Now

Available through authorised CHINT distributors in Australia.

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