Switch Circuit Symbol. A thermal fuse is a temperature sensitive switch. Push switch push to make a push switch allows current to flow only when the button is pressed.
This type of push switch is normally closed on it is open off only when the button is pressed. The mechanism of a switch may be operated directly by a human operator to control a circuit for example a light switch or a keyboard button may be operated by a moving object such as a door operated switch or may be. Inverter switch before opening.
This is the switch used to operate a doorbell.
It can be abbreviated as spdt. This is the switch used to operate a doorbell. On off switch spst spst single pole. Double pole single throw switch.
