The 46PB23A01B is a contactor manufactured by Siemens. It is a 3-pole device rated for 600V AC that can carry up to 25 horsepower at 230V. It is designed for industrial motor and lighting applications, using its reliable thermomagnetic contact operation for switching on loads. The contactor has a 690V AC/250V DC voltage rating, coil voltage of 24V AC/DC, and an mechanical life of 500,000 cycles. The contactor offers protection against overload and short circuit and is UL, CSA, and CE certified for safety.