Trade Discount 25%
MCCB 3P 80A 50kA Magnetic Only 125A Frame NM8N Chint
Chint NM8N 80A 3P MCCB features 50kA breaking capacity, magnetic-only trip unit for motor protection and a 125A frame. Ideal for switchboard mains protection.
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Alternatively Known As: CHINT NM8N-125S M 80A 3P MCCB, Motor Protection MCCB, Magnetic Trip MCCB, Moulded Case Circuit Breaker
Technical Specifications
- Product Type: Moulded Case Circuit Breaker (MCCB)
- Series: NM8N-125S
- Rated Current: 80A
- Number of Poles: 3P
- Frame Size: 125A
- Trip Unit: Magnetic-only motor protection
- Rated Voltage: Up to 690V AC
- Rated Frequency: 50/60Hz
- Breaking Capacity: 50kA
- Installation: Fixed mounting with top or bottom line entry
- Mounting Orientation: Vertical or horizontal
- Mechanical Durability: Up to 15,000 operating cycles
- Dimensions (H x L x W): 140mm x 78.5mm x 90mm
- Weight: 1.24 kg
Key Features
- Magnetic-only trip unit designed for motor protection applications
- High 50kA short-circuit breaking capacity
- 125A frame accommodates an 80A rated current
- Three-pole configuration for three-phase circuits
- Suitable for switchboard mains, feeder and motor circuit protection
- Supports isolation and reliable low-voltage circuit switching
- Optional auxiliary, alarm, shunt-trip and undervoltage accessories are available for the NM8N platform
Professional Installation Requirements
- Installation, testing and commissioning must be carried out by a licensed electrician in accordance with AS/NZS 3000 and the manufacturer's instructions. Confirm coordination with the motor starter, overload relay and upstream protection before energising.
Applications
- Three-phase motor circuit protection
- Switchboard mains and feeder protection
- Industrial power distribution
- Commercial electrical switchboards
- Short-circuit protection for motor control assemblies
Standards & Compliance
- Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
- Installation should comply with AS/NZS 3000:2018 Wiring Rules
- Australian RCM and EESS registration status should be verified for the specific supply channel before installation
Environmental Benefits
- Durable moulded-case construction supports extended service life and reduces replacement waste
- Copper and metal components are recyclable at end of service life
- Magnetic motor protection can help limit damage to motors and associated equipment during short-circuit faults
- Designed for repairable and accessory-supported switchboard assemblies, helping extend system service life
Warranty Information
CHINT's general policy for other low-voltage apparatus provides a 27-month warranty from the date of manufacture against defects in materials and workmanship when sold through authorised channels; contract terms may vary.
Available Now
Available through authorised CHINT distributors in Australia.
