The 30A 120V SPST Contactor is a reliable single-pole, single-throw (SPST) relay specifically designed for spa and hot tub control systems. Operating at 120V and supporting a 30A load, it is ideal for controlling circuits such as heaters and pumps, ensuring efficient operation of your spa system. Built for long-lasting durability, this contactor ensures that power switching is reliable and maintains the performance of high-power spa components.