SymCom, Inc.是电子控制和保护领域的领导者，为一般工业、油气及灌溉市场提供过载继电器和泵控制器。

2014年，Littelfuse收购了位于南达科他州拉皮德城的SymCom公司。

Often recognized by the MotorSaver®, PumpSaver® and SSAC® brand names, SymCom's products provide protection, communications and control for most types and sizes of motors and pumps.  The SymCom product line includes current and voltage monitors, motor and pump controls, and custom electronic controls.  The company also manufactures load sensors, alternating relays, intrinsically-safe relays, software and custom controller boards.