Series KFD..., surface-mounted housing 20mm, removable connection terminals, supply voltage 24VDC, Power Rail connection, switching output 1 changeover contact, 1 output for line break LB- and line short circuit LK-, detection, switchable as additional switching output, control circuit [EEx ia]IIC, 1-channel, monitoring of line break LB and line short circuit LK, LB/LK signal on Power Rail as collective message
