Trade Discount 25%
MCCB 2P 80A 36kA Thermal Magnetic 125A Frame NM8N Chint
Chint NM8N 80A 2P MCCB features 36kA 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-125C TM 80A 2P MCCB, Moulded Case Circuit Breaker, 2-Pole Circuit Breaker
Technical Specifications
- Product Type: Moulded case circuit breaker
- Series: NM8N
- Rated Current: 80A
- Frame Size: 125A
- Number of Poles: 2P
- Trip Unit: Thermal-magnetic, TM
- Rated Ultimate Short-Circuit Breaking Capacity Icu: 36kA at AC 380/400/415V
- Rated Service Short-Circuit Breaking Capacity Ics: 36kA at AC 380/400/415V
- Rated Operational Voltage: AC 380/400/415V, with series capability up to 690V AC
- Rated Insulation Voltage Ui: 1000V
- Rated Impulse Withstand Voltage Uimp: 8kV
- Utilisation Category: A
- Mounting: Fixed front connection; DIN-rail mounting supported for the 125A frame
- Installation Orientation: Vertical or horizontal
- Mechanical Life: 25,000 operating cycles
- Electrical Life: 10,000 cycles at AC 415V and rated current
- Dimensions (H x L x W): 140mm x 78.5mm x 62mm
- Weight: 0.83 kg
Key Features
- Two-pole protection for single-phase and two-wire distribution circuits
- 36kA short-circuit breaking capacity at common low-voltage distribution voltages
- Thermal-magnetic trip unit for overload and short-circuit protection
- Compact 125A frame suitable for switchboard and sub-main applications
- Supports fixed front or rear connection configurations
- Top or bottom line entry permitted
- Suitable for residential, commercial and industrial power distribution
Professional Installation Requirements
- Installation, selection and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, applicable switchboard requirements and AS/NZS 3000. Confirm the prospective fault current, discrimination, cable ratings and enclosure clearances before installation.
Applications
- Switchboard mains protection
- Sub-main protection
- Commercial and industrial distribution boards
- Low-voltage power distribution circuits
- Protection of electrical equipment against overload and short circuit
Standards & Compliance
- Relevant Australian/New Zealand product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
- CHINT NM8N series is specified to IEC/EN 60947-2; confirm the product's local approval and installation suitability before use in Australia
Environmental Benefits
- RoHS documentation is available for the NM8N series, supporting restricted-substance requirements
- Long mechanical and electrical operating life can reduce replacement frequency and product waste
- Thermal-magnetic protection helps limit equipment damage and associated material waste during overload and short-circuit events
Warranty Information
CHINT's published warranty policy covers other low-voltage apparatus for 27 months from the date of manufacture when sold through authorised sales channels, subject to the applicable contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
