wtw LF 170 - Page 56

Technical data LF 170
122
ba54104d09 11/2010
Mechanical
construction
Ambient conditions
Electrical data
Housing material Glass fiber reinforced Polycarbonate
Membrane keyboard Polyester
Weight approx. 2,2 kg
Type of protection IP 66
Temperature
Operation -25 °C ... +55 °C (-13 ... 131 °F)
Storage -25 °C ... +65 °C (-13 ... 149 °F)
Relative humidity
Yearly average ≤ 90 %
Dew formation Possible
Supply
voltage
Protective class II
Overvoltage category II
Power consumption Maximum approx. 18 W
Nominal voltage
(depending on
variant):
z 230 V AC
(-15 % + 10 %)
z 115 V AC
(-15 % + 10 %)
z 24 V AC
(-15 % + 10 %)
z 24 V DC
(-30 % + 20 %)
AC frequency: 48 - 62 Hz
Connection: 2 pin