1-channel, Control circuit EEx ia IIC, 230 V AC supply voltage, Reversible mode of operation, Lead breakage (LB) monitoring, 1 relay contact output (change-over contact), Housing width: 40 mm, Number of channels: 1-channel, Rated voltage: 198 ... 253 V AC ; 45 ... 65 Hz, Field device: NAMUR sensor, Field device [2]: volt-free contact, Line fault detection, Type: 1 x relay (change-over contact), Reversible mode of operation