Why Choose the Chint NS2-80B-40 Manual Motor Starter?
The Chint NS2-80B-40 is a high-performance manual motor starter and motor protection circuit breaker designed for reliable overload, short-circuit and phase failure protection of industrial motors. As part of the advanced Chint NS2-80B motor starter series, it combines manual motor control and comprehensive protection in a compact device for industrial automation systems.
This motor protection device provides dependable switching and protection for larger industrial motors, helping simplify electrical panel design by combining motor isolation, thermal overload protection and magnetic short-circuit protection in one unit. The NS2 series is designed for machinery, pumps, compressors, conveyors and other industrial applications requiring reliable motor control.
With an adjustable current setting range of 25–40 A and operation up to 690 V AC, the NS2-80B-40 is suitable for industrial motor applications where accurate protection settings and robust performance are required.
Key Advantages
- Combines manual motor control and motor protection in one compact device.
- 25–40 A adjustable thermal protection range for flexible motor matching.
- Integrated overload, short-circuit and phase failure protection.
- Suitable for industrial automation and OEM machinery applications.
- Compact design reduces panel space requirements.
- Compatible with NS2 series accessories including auxiliary contacts, shunt releases and undervoltage releases.
Key Features
- Chint NS2-80B motor starter series.
- 25–40 A adjustable current setting range.
- Manual ON/OFF rotary control operation.
- Integrated thermal overload protection.
- Integrated magnetic short-circuit protection.
- Phase failure protection capability.
- DIN rail and panel mounting compatibility.
- Expandable with auxiliary contacts and motor starter accessories.
Reliable Motor Protection for Industrial Systems
Manual motor starters such as the Chint NS2-80B-40 provide a complete solution for motor switching, isolation and protection. By combining thermal overload and magnetic short-circuit protection within a single device, they help improve motor safety while simplifying control panel installation.
The NS2 series is designed for industrial automation engineers and machine builders requiring dependable motor protection. Its accessory range allows additional functionality including remote tripping, undervoltage protection and auxiliary signalling for advanced control applications.
Typical Applications
- Industrial motor control panels.
- Pumps and pumping systems.
- Fans and ventilation equipment.
- Compressors and processing machinery.
- Conveyors and material handling systems.
- OEM automation and machine building applications.
