v_shortname: Conductive switching amplifier, signal type: binary input, number of channels: 1, field side signal: resistance, control side type: 2x relay (changeover), transmission direction: to the control, functions: line fault monitoring, supply connection: terminals, connection type: screw terminals, housing width: 20 mm, ambient temperature: -20 ... 60 °C (-4 ... 140 °F) extended ambient temperature range up to 70 °C (158 °F), necessary installation conditions see manual