Important: Automatic switch dimensioning and power supply and operating line sections are orientative and should be corrected in accordance with conditions at job site, length between
units and legislation in force.
Notes: 1.- K curve (DIN, VDE 0660-104). 2.- Based on copper conductors.
Limits of use
Voltage limits
Nominal 400 V
Minimum
Maximum
342
436
Notes: WB = Wet bulb. DB = Dry bulb. (1) At below -20° C, only the emergency electric heater (optional) is operative. (2) This equipment can operate, for a short interval of time, at below 10°C until