An electric switch comprising an operation member, a first and a second pins and provided so as to activate and deactivate a feeding circuit, and a conducting plate displaced by the operation of the operation member to electrically connect and disconnect the first pin to and from the second pin is disposed on the outer surface of an electromagnetic operation section of a solenoid valve. Thus, the solenoid valve 1A can be simply and reliably disconnected from the power supply at the solenoid valve installation site.
Solenoid valves generally comprise a main valve section that has a built-in valve member that diverts the flow of a pressurized fluid and an electromagnetic operation section that activates a solenoid to switch the valve member.
Such solenoid valves are normally installed near fluid pressure equipment, and in such a case, a plurality of solenoid valves or a plurality of solenoid valves assembled on a manifold base are often loaded on a single rail to form a set of connected solenoid valves so that a single controller can control all the solenoid valves.

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