Why Choose the ABB 1SFL577081R7012 AFS400 Contactor?
The ABB 1SFL577081R7012 is a high-performance three-pole AFS series safety contactor designed for heavy-duty motor starting, switching and power distribution applications in industrial electrical systems. As part of the advanced ABB AFS400 contactor series, it combines high-current switching capability with integrated auxiliary contacts, electronic coil technology and safety-oriented feedback functionality for demanding automation environments.
This contactor provides reliable control of large motors and electrical loads while simplifying system integration through ABB AF technology. The wide control voltage range, built-in surge protection and pre-mounted auxiliary contacts make it suitable for machine builders and industrial control applications requiring dependable switching and status monitoring.
With a rated operational current of 400 A AC-3, a 100–250 V AC/DC control coil and suitability for motors up to 200 kW at 400 V AC, the ABB 1SFL577081R7012 is ideal for large industrial motors, pumps, compressors, conveyors and heavy machinery systems.
Key Advantages
- Heavy-duty ABB AFS400 contactor designed for high-power industrial motor control.
- Three-pole main contact configuration for three-phase switching applications.
- 400 A AC-3 operational current rating for demanding motor loads.
- 200 kW motor switching capability at 400 V AC.
- 100–250 V AC/DC wide-range control coil for flexible installations.
- Pre-mounted auxiliary contacts support safety feedback and control monitoring circuits.
Key Features
- ABB AFS400 contactor series.
- 3 main normally open power contacts.
- 1 NO + 2 NC auxiliary contacts.
- 100–250 V AC/DC control coil.
- 400 A AC-3 rated operational current.
- 600 A AC-1 rated operational current.
- 200 kW motor rating at 400 V AC.
- Rated operational voltage up to 1000 V AC IEC.
- Main circuit bar connections for high-current applications.
- Integrated surge protection and low-energy auxiliary contact technology.
Reliable Switching for Industrial Motor Applications
Industrial contactors such as the ABB 1SFL577081R7012 provide safe and reliable switching of motors and electrical loads in automation systems. By controlling the connection between the power supply and the motor, contactors enable efficient machine operation while supporting dependable industrial control.
The ABB AFS series combines high-current switching capability, safety feedback features and advanced coil technology, making it suitable for modern industrial installations where reliability, machine safety and long service life are essential.
Typical Applications
- Heavy-duty industrial motor starters.
- Pumps and large process equipment.
- Compressors and ventilation systems.
- Conveyor and material handling equipment.
- Machine building and OEM automation systems.
- Industrial power distribution and switching applications.
