Why Choose the Chint NM8S-1250S-4P-1250A Electronic MCCB?
The Chint NM8S-1250S-4P-1250A is a high-performance electronic moulded case circuit breaker (MCCB) engineered to provide dependable overload and short-circuit protection for high-current low voltage electrical distribution systems. Featuring an advanced electronic trip unit, it offers precise protection adjustment and reliable fault interruption for demanding industrial and commercial installations.
As part of the Chint NM8S Series, this MCCB incorporates an adjustable electronic release that enables engineers to fine tune protection settings, improving selectivity and coordination across complex electrical systems. It is designed for use as a main incomer or feeder protection device within switchboards and power distribution assemblies.
With a 1250A rated current, 4-pole configuration and 50kA breaking capacity, the NM8S-1250S-4P-1250A is ideal for three-phase systems where neutral switching is required. It delivers dependable protection for industrial plants, commercial buildings, utilities and critical infrastructure.
Key Advantages
- 1250A rated current for high-capacity electrical distribution.
- 4-pole design suitable for three-phase systems with neutral switching.
- Adjustable electronic trip unit for accurate protection coordination.
- 50kA breaking capacity for dependable fault interruption.
- Suitable for industrial, commercial and infrastructure applications.
- Provides reliable overload and short-circuit protection for critical electrical equipment.
Key Features
- Chint NM8S Series electronic moulded case circuit breaker.
- 1250A rated current.
- 4-pole construction.
- Electronic adjustable protection.
- 50kA rated ultimate breaking capacity.
- Rated operational voltage up to 690V AC.
- Fixed mounting design.
- Manufactured in accordance with IEC/EN 60947-2.
Reliable Protection for High-Capacity Electrical Systems
The Chint NM8S-1250S-4P-1250A provides dependable protection by disconnecting electrical circuits during overload and short-circuit fault conditions. Its electronic protection system enables accurate adjustment of long-time and instantaneous protection settings, helping improve coordination across large electrical installations.
Its 4-pole configuration allows simultaneous switching of all three phases and the neutral conductor, making it suitable for installations where complete circuit isolation is required while maintaining reliable protection for high-current distribution systems.
Typical Applications
- Main incoming electrical supplies.
- Industrial switchboards.
- Commercial distribution boards.
- Large manufacturing facilities.
- Infrastructure and utilities.
- High-capacity feeder circuit protection.
