For output connection: screw type terminals, connection capacity: 2 x 0.5...2 x 10 mm² AWG 20...AWG 8
For input connection: screw type terminals, connection capacity: 4 x 0.5...4 x 10 mm² AWG 20...AWG 8
For diagnostic relay: removable screw terminal block, connection capacity: 1 x 2.5 mm² AWG 14