Professional 2-channel DIN rail Z-Wave® smart switch with dry contacts Suitable for home and building automation with remote control. Can be mounted on a DIN rail in the fuse box. Enhanced safety features.2 outputs, 16 A each. Maximum total device power is 25 A. Dry contacts DIN rail mounting 2-phase control Ultra low power consumption: Power supply 110-240 V AC, 50/60 Hz Power consumption < 0.3 W Max. switching voltage AC 240 V Max. switching current AC 16 A per channel, 25 A total Max. switching voltage DC N/A Max. switching current DC N/A Overheat protection Yes Power measurement (W) No Distance Up to 40 m indoors (131 ft.) (depending on local conditions) Z-Wave Repeater Yes CPU Z-Wave S800 Z-Wave Frequency Bands 868.4 MHz 865.2 MHz 869.0 MHz 921.4 MHz 908.4 MHz 916 MHz 919.8 MHz 922.5 MHz 919.7-921.7-923.7 MHz 868.1 MHz 920.9 MHz Maximum transmitted radio frequency power in frequency band(s) < 25 mW Size (H × W × D) 94 x 19 x 69 ±0.5 mm / 3.7 x 0.75 x 2.71 ±0.02 in Weight 73 g / 2.58 oz. Mounting DIN rail screw terminals Max. torque 0.4 Nm / 3.54 lbin Conductor cross section 0.5 to 2.5 mm² / 20 to 14 AWG (green terminals)0.5 to 1.5 mm² / 20 to 16 AWG (white terminals) Stripped conductor length 6 to 7 mm / 0.24 to 0.28 in (green terminals)5 to 6 mm / 0.20 to 0.24 in (white terminals) Housing material Plastic Color Gray Ambient temperature -20 °C to 40 °C/-5 °F to 105 °F Humidity 30% to 70% RH Max. altitude 2000 m / 6562 ft.