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Safety relays

The adequate solution for every application

The safety sensors are made up of a wide variety of products, starting with the single-channel emergency stop pushbutton up to a safety laser scanner with PNP outputs. All types of safety sensors can be connected with the SICK safety relays. The extensive assortment delivers appropriate solutions for versatile applications.

More about sens:Control – safe control solutions

The product families

	Product	Category according to EN ISO 13849	Number of enable /signaling current paths	Input circuit (number of channels)
Main units
	UE23-2MF	4¹⁾	2 / 1	1
	UE23-3MF	4¹⁾	3 / 1	1
	UE42-2HD	4	2 / 1	2
	UE43-2MF	4	2 / 1	1 or 2
	UE43-3MF	4	3 / 1	1 or 2
	UE43-3AR	4	3 / 1	1 or 2
	UE43-4AR	4	4 / 0	1 or 2
	UE44-3SL	4²⁾ or 3³⁾	3⁵⁾ / 0	1 or 2
	UE45-3S1	4²⁾ or 3³⁾	3⁶⁾ / 0	1 or 2
	UE48-2OS	4	2 / 1	1 or 2
	UE48-3OS	4	3 / 0	1 or 2
Contact expansion modules
	UE10-2FG	4⁴⁾	2 / 0	1 or 2
	UE12-2FG	4⁴⁾	2 / 0	1 or 2
	UE10-3OS	4⁴⁾	3 / 1	1 or 2
	UE10-4XT	4⁴⁾	4 / 2	-
	UE11-4DX	4⁴⁾	4 / 2 ⁷⁾	-

1) Maximum category 2, Performance Level d in the application

2) For contacts 13/14, 23/24

3) For time contacts 37/38

4) If the feedback current path Y1 – Y2 (external device monitoring) is monitored using an appropriate main unit

5) One normally open contact on-delayed

6) One normally open contact off-delayed

7) Off-delayed