Series KFD ...; DIN rail Housing 40mm; Removable terminals; Power supply 24VDC; Power Rail connection; 1 channel,Control circuit (EEx ia)IIC,; Input frequency 0,001Hz...5kHz; Analogue output 0/4mA...20mA; Measuring range parameterisable; 2 relay and 1 electronic output,isolated; Each output can be assigned individual parameters; Start up override; Restart inhibit; Lead breakage and short circuit monitoring; Bounce filter; Configuration via control panel or by software; SIL2 acc.to IEC 61508