Engine Limit Relay 24V for SHACMAN F3000 X3000 This engine limit relay sits in the truck electrical box and cuts the circuit when the engine reaches a set limit, which is what protects the motor on overspeed, overheat or low oil pressure events. It fits SHACMAN F3000 and X3000 cabs and drops straight into the original socket. The contacts are silver alloy, so they do not pit as quickly as plain copper under repeated switching. The coil is sealed against dust and the base has
