Trade Discount 25%
MCCB 2P 125A 50kA Thermal Magnetic 125A Frame NM8N Chint
Chint NM8N 125A 2P MCCB features 50kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.
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Alternatively Known As: Moulded Case Circuit Breaker, Double-Pole MCCB, Thermal-Magnetic Circuit Breaker, NM8N-125S TM 125A 2P
Technical Specifications
- Product Type: Moulded case circuit breaker
- Series: NM8N
- Frame Size: 125A
- Rated Current: 125A
- Poles: 2P
- Release Type: Thermal-magnetic
- Breaking Capacity: 50kA
- Rated Frequency: 50/60Hz
- Rated Operational Voltage: 380/400/415V AC for 2P applications, up to 690V AC depending on configuration
- Rated Insulation Voltage: 1000V
- Utilisation Category: A
- Suitable for Isolation: Yes
- Ingress Protection: IP40
- Terminal Tightening Torque: 6Nm for M6 terminals
- Mechanical Life: Up to 25,000 operating cycles
- Electrical Life: Up to 10,000 operating cycles at 415V AC and rated current
- Standard Basis: IEC/EN 60947-2
- Dimensions (H x L x W): 140mm x 78.5mm x 62mm
- Weight: 0.83 kg
Key Features
- 50kA short-circuit breaking capacity
- Thermal-magnetic overload and short-circuit protection
- Two-pole construction for switching and protecting active conductors
- 125A frame with 125A rated trip current
- Suitable for switchboard mains, sub-mains and commercial or industrial distribution boards
- Suitable for isolation
- Fixed mounting configuration
- Adjustable thermal and magnetic trip settings
Professional Installation Requirements
- Installation, testing and commissioning must be performed by a licensed electrical worker in accordance with the applicable Wiring Rules, switchboard requirements and manufacturer instructions. Confirm system fault levels, voltage rating, discrimination and Australian compliance requirements before installation.
Applications
- Switchboard mains protection
- Sub-mains protection
- Commercial electrical distribution boards
- Industrial low-voltage distribution systems
- Protection of feeders, circuits and electrical equipment
- Residential or commercial main-switch applications where the fault level and certification requirements are suitable
Standards & Compliance
- Applicable Australian standard: AS/NZS IEC 60947.2 for low-voltage circuit-breakers; verify the supplied unit's Australian certification and RCM requirements before installation
- Installation should comply with AS/NZS 3000 Wiring Rules and applicable switchboard requirements
Environmental Benefits
- Durable moulded-case construction can provide a long service life and reduce replacement waste
- Electrical protection helps limit damage to downstream equipment during overload and short-circuit events
- Metal components and thermoplastic housing materials can be separated for appropriate end-of-life recycling where local facilities accept them
Warranty Information
CHINT's general warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture against defects in materials and workmanship when sold through authorised channels, subject to the applicable sales contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
