Rated supply voltage: -24 V AC – 15…10 % / -24 V DC – 15…10 % Supply frequency: 50/60 Hz Maximum power consumption in VA: 5 VA AC Minimum output current: 10 mA for relay output Minimum output voltage: 17 V for relay output Maximum response time on input open: 40 ms Ambient air temperature for operation: -25…60 °C