Trade Discount 25%
MCCB 3P 630A 70kA Thermal Magnetic 800A Frame NM8N Chint
Chint NM8N 630A 3P MCCB features 70kA breaking capacity, thermal-magnetic trip unit and a 800A frame. Ideal for switchboard mains and sub-mains protection.
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Alternatively Known As: CHINT NM8N 800Q thermal-magnetic MCCB, 630A 3P moulded case circuit breaker, 70kA MCCB
Technical Specifications
- Product Type: Moulded case circuit breaker
- Series: NM8N
- Frame Size: 800 A
- Rated Current: 630 A
- Number of Poles: 3P
- Trip Unit: Adjustable thermal-magnetic
- Breaking Capacity: 70 kA, Q classification
- Rated Operational Voltage: Up to 690 V AC
- Rated Frequency: 50/60 Hz
- Thermal Overload Adjustment: Approximately 504–630 A
- Magnetic Trip Adjustment: Approximately 3150–6300 A
- Mounting: Fixed mounting with front or rear connection options
- Utilisation Category: A
- Dimensions (H x L x W): 300mm x 133mm x 195mm
- Weight: 13 kg
Key Features
- 70 kA short-circuit breaking capacity
- Three-pole configuration for three-phase distribution systems
- Adjustable thermal-magnetic protection for overload and short-circuit faults
- 630 A rated current within an 800 A frame
- Suitable for switchboard mains and sub-mains protection
- Designed for industrial and commercial low-voltage distribution applications
- Compact moulded-case construction with front connection capability
Professional Installation Requirements
- Installation, selection of trip settings and commissioning must be carried out by a licensed electrician in accordance with applicable Australian wiring, switchboard and electrical safety requirements. Confirm prospective fault current, discrimination and manufacturer clearances before installation.
Applications
- Main switchboard protection
- Sub-main circuit protection
- Commercial and industrial power distribution
- Three-phase switchboards
- High-fault-level electrical distribution systems
- Industrial plant and infrastructure electrical protection
Standards & Compliance
- Designed to IEC/EN 60947-2, the international circuit-breaker standard aligned in Australia through AS/NZS IEC 60947.2:2015
- Installation should comply with AS/NZS 3000 and applicable switchboard requirements
Environmental Benefits
- Moulded-case construction and durable switching components support an extended service life, reducing replacement waste
- Copper and metal conductive components can be recovered through established electrical equipment recycling streams
- Thermal-magnetic protection can help limit equipment damage and reduce premature replacement following overload or short-circuit events
Warranty Information
CHINT generally warrants other low-voltage apparatus against defects in materials and workmanship for 27 months from the date of manufacture when purchased through authorised sales channels. Contract or local distributor warranty terms may vary.
Available Now
Available through authorised CHINT distributors in Australia.
