Master adapter for controlling 8 MasterInterface coupling relays. Maximum continuous current per signal path: 1 A, max. control power for 8 coupling relays: 3 W. Nominal voltage 24 V DC, control logic: positive switching (+ 1 to A1). Connection for signal level 24 V: 14-pin ribbon cable. Connection for power supply 24 V: stripping length 9.5 mm, torque 0.5 Nm.