ifm electronic AC904S guard locking, open-circuit principle, rotary safety switch

AS-i Safety at Work, safety switch with guard locking, operating voltage: 22.5...31.6 V DC, total current consumption from AS-i: 400 mA, M12 plug connection, working current principle, rotating metal actuating head, auxiliary release on the front, supply from AS-i / magnetic supply from AS-i, housing material: glass fiber reinforced thermoplastic