| Maximum System Voltage | kV | 15,5 | 27 | 38 | 
 
  | Phase-to-earth impulse withstand voltage (1.2 x 50us) | kV | 110 | 150 | 170 | 
 
  | Impulse withstand voltage across Switch (1.2 x 50us) | kV | 110 | 150 | 170 | 
 
  | Frequency | Hz | 50/60 | 50/60 | 50/60 | 
 
  | Nominal current | A | 630/800 | 630/800 | 630/800 | 
 
  | Symmetrical Interrupting Current | kA | 16 | 16 | 16 | 
 
  | Short Duration Current (3 Seconds) | kA | 16 | 16 | 16 | 
 
  | Peak current | kA | 40 | 40 | 40 | 
 
  | Mechanical Operations | C-O | 10.000 | 10.000 | 10.000 | 
 
  | Ambient temperature | °C | (-40) - (70) | (-40) - (70) | (-40) - (70) | 
 
  | Cabinet Supply Voltage | V | AC 120/240; DC 24 | AC 120/240; DC 24 | AC 120/240; DC 24 | 
 
  | Weight | Kg | 165 | 175 | 185 |