Trade Discount 25%
MCCB 3P 32A 150kA Thermal Magnetic 125A Frame NM8N Chint
Chint NM8N 32A 3P MCCB features 150kA 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, Three-Pole MCCB, Thermal-Magnetic Circuit Breaker, Switchboard Main Breaker
Technical Specifications
- Product Type: Moulded case circuit breaker
- Series: NM8N
- Number of Poles: 3P
- Rated Current: 32A
- Frame Size: 125A
- Trip Unit: Thermal-magnetic
- Breaking Capacity: 150kA at 380/400/415V AC
- Rated Frequency: 50/60Hz
- Rated Insulation Voltage: 1000V
- Rated Impulse Withstand Voltage: 8kV
- Utilisation Category: A
- Installation: Fixed mounting, suitable for top or bottom line entry
- Mechanical Life: Up to 25,000 operating cycles
- Electrical Life: Up to 10,000 operating cycles at 415V AC
- Dimensions (H x L x W): 140mm x 78.5mm x 90mm
- Weight: 1.19 kg
Key Features
- High 150kA short-circuit breaking capacity at 380/400/415V AC
- Thermal-magnetic overload and short-circuit protection
- Compact 125A frame with 32A rated current
- Three-pole configuration for three-phase distribution systems
- Suitable for switchboard mains, sub-mains and industrial distribution boards
- Can be installed vertically or horizontally
- Suitable for isolation when correctly selected and installed
- Optional auxiliary, alarm, shunt-trip and undervoltage accessories are available for the NM8N series
Professional Installation Requirements
- Installation, testing and commissioning must be carried out by a licensed electrician in accordance with applicable Australian electrical requirements, manufacturer instructions and AS/NZS 3000. Verify fault levels, discrimination, cable ratings and enclosure clearances before installation.
Applications
- Switchboard mains protection
- Sub-mains protection
- Industrial electrical distribution boards
- Commercial building power distribution
- Three-phase low-voltage distribution systems
- Motor and equipment feeder protection where correctly coordinated
Standards & Compliance
- AS/NZS IEC 60947.2:2015 — applicable Australian/New Zealand standard for low-voltage circuit-breakers
Environmental Benefits
- Long mechanical and electrical service life can reduce replacement frequency and associated waste
- Metallic conductor and terminal components can be recovered through appropriate electrical equipment recycling
- Thermal-magnetic protection helps limit damage to downstream wiring and equipment during overloads and short circuits
Warranty Information
CHINT general warranty policy for other low-voltage apparatus provides coverage against defects in materials and workmanship for 27 months from the date of manufacture when purchased through authorised sales channels; contract terms may vary.
Available Now
Available through authorised CHINT distributors in Australia.
