The 11SM1B12 is a contactor manufactured by the Lovato Electric company. It is an AC contactor designed for use with currents between 4A and 25A. It has a breaking capacity of up to 6000A at 690VAC, and a coil voltage of 24VAC, 50/60Hz. In addition, the 11SM1B12 has a mechanical life of up to 2000 operations, and it is available as both fixed and plug-in versions. Furthermore, the contactor has an IP20 degree of protection, and it is suitable for applications such as motors, electric heaters, and auxiliary circuits.