Toggle Relay M3 12V

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The M3 stepping relay is used for switching loads on and off using touch or button operation. Circuit diagram S1: With the stepping relay, a consumer can be switched via a button. If a positive / negative pulse is applied to terminal 15, the relay switches and holds itself. Another pulse switches again (current surge switch or toggle flip-flop). Terminal 15 is debounced.

Circuit diagram S2: The contacts are separated from the control and can therefore be used in links. In this variant, the relay contact is completely potential-free and is therefore able to switch AC voltage. Housing shapes can be found in the Housing and basic body chapter.

Technical details

Inputs and Outputs

Number of pins 5
In-/Outputs (total) 2
Inputs (total) 1
Inputs (digital) 1
Outputs (total) 1
Relay outputs 1
Switching current NO 20 A / NC 15 A

Mechanical Properties

IP rating IP53
Housing material PA66GF30
Dimensions 30 × 30 × 40 mm
Switching cycles 100000


Programming software MRS Realizer


Temperature range -40 to +85°C
Operating voltage 9-16 V
Current consumption 2 ± 1 mA 


Order options
Order no.Name
30A, Positive Edge Control, Type A, Connection S1
30A, Negative Edge Control, Type A, Connection S1
30A, Positive Edge Control, Type B, Connection S1
30A, Negative Edge Control, Type A, Connection S1


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