Fail-safe hydraulically operated circuit breaker accumulator arr
Filter bypass indicator
Filter bypass switch
Fluid actuated electrical switch
Fluid actuating device for an electric circuit breaker
Fluid jack with built-in piston operated switch
Fluid pressure actuated switch for fluid pump
Fluid pressure drop indicator for the hydraulic braking system o
Fluid pressure indicator switch apparatus
Fluid pressure operated electrical switch
Fluid pressure operated switch with piston actuator
Fluid pressure switch having a spring opposing the fluid pressur