MCCB 3P 630A 50kA Standard Electronic 630A Frame NM8N Chint
Chint NM8N 630A 3P MCCB features 50kA breaking capacity, standard electronic trip unit and a 630A frame. Ideal for switchboard mains and sub-mains protection.
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Alternatively Known As: Moulded Case Circuit Breaker, 630A MCCB, 3-Phase MCCB, Electronic Trip MCCB, NM8N-630S EM
- Product Type: Moulded case circuit breaker
- Number of Poles: 3P
- Frame Size: 630A
- Rated Current: 630A at 40°C
- Breaking Capacity: 50kA, S class
- Trip Unit: Standard electronic EM release
- Protection Functions: Long-time, short-time, instantaneous and earth-fault protection
- Rated Operational Voltage: 380–415V AC
- Frequency: 50/60Hz
- Rated Service Breaking Capacity: 100% of Icu at applicable ratings
- Installation: Fixed, surface-mounted screw connection
- Connection Type: Screw terminals
- Operating Temperature: -40°C to +70°C
- Ingress Protection: IP40
- Mechanical Durability: Up to 15,000 operating cycles
- Electrical Durability: Up to 1,500 operating cycles
- Reference Standard: IEC/EN 60947-2
- Dimensions (H x L x W): 255mm x 113mm x 140mm
- Weight: 5 kg
- 630A rated current with a 630A frame
- 50kA short-circuit breaking capacity
- Standard electronic trip unit with four-stage LSIG protection
- Adjustable overload, short-circuit and earth-fault protection parameters
- Real-time current display and protection status information
- Suitable for main switchboard and sub-main protection
- Three-pole configuration for three-phase distribution systems
- Fixed mounting with front connection
- Suitable for isolation
- Compact 140mm-wide MCCB construction
- Installation, testing and commissioning must be performed by a licensed electrician in accordance with applicable Australian electrical regulations, switchboard requirements and manufacturer instructions. Correct fault-current rating, cable sizing, discrimination and protection settings must be verified before energisation.
- Main switchboard incomer protection
- Sub-main and feeder protection
- Commercial and industrial power distribution
- Three-phase switchboard protection
- Industrial plant and infrastructure electrical systems
- Overload, short-circuit and earth-fault protection in low-voltage distribution networks
- Applicable MCCB standard: AS/NZS IEC 60947.2:2015; confirm the specific Australian conformity and RCM requirements for the supplied product and switchboard assembly before installation
- Electronic protection and adjustable trip settings can support accurate fault clearing and reduce unnecessary equipment replacement
- Long mechanical and electrical service life can reduce replacement frequency and associated waste
- Metallic components can be separated for recycling at end of service life
- NM8N series documentation includes RoHS-related product declarations
CHINT warranty policy states 27 months from the date of manufacture for other low-voltage apparatus, including MCCBs, when purchased through authorised sales channels. Contractual terms may vary.
Available through authorised CHINT distributors in Australia.
