Siemens SIRIUS ACT 3SU10001HF200AA0 red emergency stop/emergency off button with a mushroom diameter of 40mm and positive latch mechanism is distinguished by its ...

It is commonly referred to as asimple on-off switch and can be used to switch the power supply to a circuit. On-Off switch circuit symbol. SPST switches can also work as "push-to-make" on, where when ...