Trade Discount 25%
MCCB 2P 50A 70kA Thermal Magnetic 125A Frame NM8N Chint
Chint NM8N 50A 2P MCCB features 70kA 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: CHINT NM8N-125Q TM 50A 2P MCCB, moulded case circuit breaker, 2-pole thermal-magnetic circuit breaker
Technical Specifications
- Product Type: Moulded case circuit breaker
- Frame Size: 125A
- Rated Current: 50A
- Poles: 2P
- Trip Unit: Thermal-magnetic, distribution protection
- Breaking Capacity: 70kA, Q breaking code
- Rated Operating Voltage: Up to 690V AC, 50/60Hz
- Rated Insulation Voltage: 1000V
- Rated Impulse Withstand Voltage: 8kV
- Installation: Fixed front connection or DIN-rail compatible configuration
- Mounting Orientation: Vertical or horizontal
- Connection: Top or bottom line entry
- Dimensions (H x L x W): 140mm x 78.5mm x 62mm
- Weight: 0.83 kg
Key Features
- Two-pole circuit protection for single-phase and multi-circuit switchboards
- Thermal-magnetic trip protection against overloads and short circuits
- High 70kA short-circuit breaking capacity
- Compact 125A frame with a 50A rated current
- Suitable for switchboard mains and sub-mains protection
- Supports vertical or horizontal installation
- Designed for low-voltage AC distribution systems
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 switchboard requirements. Confirm prospective fault current, cable ratings, discrimination and local certification before installation.
Applications
- Switchboard mains protection
- Sub-mains protection
- Commercial and industrial low-voltage distribution boards
- Building services and plant distribution circuits
- Protection of electrical equipment against overload and short-circuit faults
Standards & Compliance
- Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
- Installation application: AS/NZS 3000 wiring rules
- Verify the specific Australian certification and RCM requirements for the supplied unit before installation
Environmental Benefits
- RoHS documentation is available for the NM8N product range, supporting restriction of hazardous substances
- Durable moulded-case construction can reduce replacement frequency and electrical equipment waste
- High breaking capacity supports protection of downstream equipment and may help extend system service life
Warranty Information
CHINT's general warranty policy covers other low-voltage apparatus for 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
