The 3SB3001-0BA51 is a 3-pole 24V DC coil contactor from Siemens. It has a screw termination type and has a rated current of 40A. It is for use in controlling switching of motors, resistive and capacitive loads, solenoids, lamps and transformers. It is designed for AC3 applications and is suitable for use in harsh environments. It is a 3-phase contactor with a double breaking contact system, onboard overload protection and a manual switch position indicator. It features a wide range of accessories, such as a power contactor disconnector, auxiliary contact blocks, lockable hold-open release, auxiliary coils, and more.