The 2981020 is a 3-pole Safety Relay for SIL 3 high and low demand applications. 2 enabling current paths, 1 signalling current path contact. AgSnO2, gold-flashed contact. Polyamide PA non-reinforced housing. M3 Screw connection. Electromechanically forcibly guided, dust-proof relay. On horizontal and vertical DIN rail mounting. Air and creepage distances between the power circuits.