Trade Discount 25%
MCCB 2P 50A 150kA Thermal Magnetic 125A Frame NM8N Chint
Chint NM8N 50A 2P MCCB features 150kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Alternatively Known As: CHINT NM8N 2-pole moulded case circuit breaker, 50A 150kA MCCB, thermal-magnetic circuit breaker
Technical Specifications
- Series: NM8N
- Frame Size: 125A
- Rated Current: 50A
- Number of Poles: 2P
- Release Type: Thermal-magnetic
- Breaking Capacity Code: R
- Ultimate Breaking Capacity: 150kA
- Rated Voltage: Up to 690V AC
- Rated Frequency: 50/60Hz
- Ingress Protection: IP40
- Mechanical Endurance: 15,000 operations
- Electrical Endurance: 8,000 operations
- Installation: Front connection; vertical or horizontal mounting with top or bottom line entry
- Dimensions (H x L x W): 140mm x 78.5mm x 62mm
- Weight: 0.87 kg
Key Features
- Two-pole protection for single-phase and two-conductor distribution circuits
- Thermal-magnetic trip unit for overload and short-circuit protection
- 150kA ultimate short-circuit breaking capacity
- 125A frame with 50A rated current
- Suitable for switchboard mains, sub-mains and commercial or industrial distribution
- Can be installed with line entry from the top or bottom
- Designed for use in ambient temperatures from approximately -40°C to +70°C
Professional Installation Requirements
- Installation, selection and commissioning should be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and applicable switchboard requirements. Verify fault levels, discrimination, conductor sizing and enclosure compatibility before installation.
Applications
- Switchboard mains protection
- Sub-mains protection
- Commercial electrical distribution boards
- Industrial low-voltage power distribution
- Protection of cables and electrical equipment against overload and short circuit
Standards & Compliance
- Applicable circuit-breaker product standard: AS/NZS IEC 60947.2:2015
- Installation and coordination requirements should follow AS/NZS 3000:2018
Environmental Benefits
- Durable moulded-case construction supports extended service life and reduces replacement waste
- Metal and thermoplastic components can be separated for recycling at end of service life
- Provides overcurrent protection that can help prevent damage to downstream electrical equipment and associated material waste
Warranty Information
CHINT warranty policy covers other low-voltage apparatus, including MCCBs, for 27 months from the date of manufacture when purchased through authorised sales channels. Contractual terms may vary.
Available Now
Available through authorised CHINT distributors in Australia.
