ns2-80b-80 chint motor starter, 56a to 80a rated current

Why Choose the CHINT NS2-80B-80 Manual Motor Starter?

The CHINT NS2-80B-80 is a heavy-duty manual motor starter and motor protection circuit breaker engineered for reliable overload and short-circuit protection of industrial motors. Designed for demanding industrial applications, the NS2-80B series combines motor isolation, switching and thermal magnetic protection within a compact and durable device.

Developed for industrial automation systems, machinery control panels and OEM equipment, the NS2-80B-80 delivers dependable motor protection while simplifying panel layouts and reducing installation complexity. The adjustable thermal protection range allows accurate motor current matching, helping improve operational safety and extending motor service life.

With an adjustable current setting range of 56 A to 80 A, the NS2-80B-80 is suitable for larger industrial motors used in pumps, compressors, conveyors, HVAC systems and production machinery. Its compact DIN rail and panel mounting design makes it ideal for modern industrial control installations.

Key Advantages

• Combines manual motor control and motor protection in one device.
• 56 A to 80 A adjustable thermal protection range.
• Integrated overload, short-circuit and phase failure protection.
• Compact industrial design for control panel installations.
• Suitable for industrial automation and OEM applications.
• Reliable thermal magnetic tripping performance.

Key Features

• CHINT NS2-80B motor starter series.
• 56 A to 80 A adjustable current setting range.
• Manual ON/OFF rotary control operation.
• Integrated thermal overload protection.
• Integrated magnetic short-circuit protection.
• Phase failure sensitivity protection.
• DIN rail and panel mounting compatibility.
• Expandable with auxiliary contacts and accessories.

Technical Specifications

• Manufacturer: CHINT
• Series: NS2-80B
• Model: NS2-80B-80
• Product type: Manual motor starter / motor protection circuit breaker
• Thermal setting range: 56 A to 80 A
• Rated operational voltage (Ue): Up to 415 V AC
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Trip class: Class 10
• Protection functions: Overload, short-circuit and phase failure protection
• Mounting type: DIN rail or panel mounting
• Control type: Manual rotary operation
• Protection degree: IP20 front protection
• Electrical frequency: 50 / 60 Hz
• Compliance standards: IEC/EN 60947-2 and IEC/EN 60947-4-1

Reliable Motor Protection for Industrial Systems

Manual motor starters are widely used in industrial motor control systems to provide safe switching, isolation and protection for electric motors. The CHINT NS2-80B-80 combines multiple protective functions within a single compact unit, helping simplify industrial control panel design while improving motor reliability and operational safety.

Its adjustable thermal setting range and integrated short-circuit protection make it suitable for demanding industrial applications where dependable motor control and fast fault response are critical to maintaining production uptime and equipment protection.

Typical Applications

• Industrial motor starter panels.
• Conveyors and material handling systems.
• Pumps, compressors and ventilation equipment.
• HVAC and building services systems.
• Manufacturing and process automation machinery.
• OEM industrial control equipment.

Trusted by Industrial Engineers Worldwide

CHINT NS2 motor starters are widely used across industrial automation systems to deliver dependable motor protection, reliable switching performance and long-term operational safety.