The Toggle Relay is used to switch loads on and off via pushbutton operation. Circuit diagram S1: With the step switching relay a consumer can be switched via a button. If a positive/negative impulse is applied to Terminal 15, the relay switches and holds itself. Another impulse is switched on again (Power surge switch or toggle flip-flop). The terminal 15 is debounced. Circuit diagram S2: In this variant, the relay contact is completely potential-free. Housing forms can be found in the section housing and basic body.