Opto-sensor, touch button, for two-hand control, operating voltage 10.30 VDC, connector, M12 x 1, 4-pin, protection class IP66, ergonomically shaped, upper housing part made of polyetherimide, operating voltage: 10.30 VDC, 1 safety normally open output PNP, 1 safety normally closed output PNP, pre-assembled protective cover, safety category 4 according to EN ISO 13849-1 when used with the corresponding evaluation relay, SIL 3 according to IEC 61508 and IEC 62061