ifm electronic AC903S guard locking closed-circuit principle, rotatable 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, closed-circuit 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