![]() ![]() The timer sets the timer using mechanical clockwork. it basically makes and breaks contact when the timer runs out. Its contact closes when the position of the switch corresponds to the close position of the switch. It is also a push button with positive make contact (Close position). It is positive opening switch means its contacts are open when the device is in its corresponding open position. ![]() Positive opening Push Button mushroom head It automatically return to its normal position but it can be locked in the desired position. This is the symbol of a push button with lockable feature. It switches into OFF position by pressing the button but after releasing, it returns to Closed position. This is a normally close push button which remains Closed (ON position) normally. Pressing the pushbutton switches it into ON (Close) position but releasing the button return the switch into OFF (open) position. Normally, it remains in open(OFF) position. It is the symbol of a rotary switch in open (OFF) Position. It is a single pole switch in Make contact position. It is the symbol of a rotary switch in closed (ON) Postion. It has an actuator which switches the circuit ON & OFF by pushing. It is the symbol of a Single pole single throw generic pushbutton switch. Switching from ON to OFF or from OFF to ON, in both situations the switch takes some time delay. This type of switch has time delay function whenever it switches. ![]()
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