Usable terminal block: TB 32L Rated value (DC): 24 V Mains/voltage failure stored energy time: 20 ms from supply voltage L+, max.: 70 mA from load voltage L+ (without load), max.: 100 mA Power loss, typ.: 3.2 W Number of digital inputs: 32 Number of simultaneously controllable inputs: 32 Transmission rate, max.: 1.5 Mbit/s Isolation tested with: 500 V DC IP degree of protection: IP20 Dimensions (W X H X D): 145 X 60 X 60.5 mm