MCCB 3P 250A Frame NM8N Chint
Chint NM8N MCCB 3P 250A frame features overload, short-circuit and undervoltage protection, and up to 690V AC rating. Ideal for distribution switchboards.
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Alternatively Known As: CHINT NM8N MCCB, 250A 3P MCCB, Three-Phase Moulded Case Circuit Breaker
- Product Type: Moulded case circuit breaker
- Frame Current: 250 A
- Number of Poles: 3P
- Rated Current Range: 63–250 A, configuration-dependent
- Rated Voltage: Up to 690 V AC
- DC Voltage Rating: Up to 1000 V DC
- Protection: Overload and short-circuit protection
- Undervoltage Protection: Available through compatible undervoltage release accessory or configuration
- Release Options: Thermal-magnetic, electronic and magnetic release variants
- Breaking Capacity: Configuration-dependent, up to 50 kA at AC 690 V
- Utilisation Category: Category A
- Connection: Fixed front or rear connection options
- Mechanical Durability: Up to 15,000 operating cycles
- Electrical Durability: Up to 1,500 operating cycles
- Frequency: 50/60 Hz
- Dimensions (H x L x W): 157mm x 105mm x 88.7mm
- Weight: 1.85 kg
- Three-pole protection for three-phase distribution circuits
- 250 A frame suitable for higher-current switchboard applications
- Provides overload and short-circuit protection
- Supports undervoltage protection with the appropriate release configuration
- Rated for AC systems up to 690 V
- Compatible with accessories including auxiliary contacts, shunt trips, undervoltage releases and operating mechanisms
- Suitable for panel-mounted distribution switchboards and motor control applications
- Available with front or rear connection arrangements
- Installation, selection of protection settings and connection should be performed by a licensed electrician in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and the applicable circuit-breaker standard. Confirm the exact release, breaking-capacity and accessory configuration before installation.
- Distribution switchboards
- Commercial and industrial low-voltage electrical systems
- Main and submain circuit protection
- Motor control and protection assemblies
- Data centre and building-services power distribution
- Panel-mounted electrical equipment
- AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
- Installation should comply with AS/NZS 3000 and applicable low-voltage switchboard requirements
- Metal components can be recovered and recycled at end of service life through appropriate electrical equipment recycling processes
- Long operating life and replaceable accessories can reduce premature equipment replacement and associated waste
CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable contract and warranty conditions.
Available through authorised CHINT distributors in Australia.
