Operating time 90 s / 15 mm. Sound level max. 45 dB (A). Position indicator: mechanical travel 5 ÷ 15 mm. Protection class IEC / EN: IICompletely isolated. Degree of protection IEC / EN IP54. Operating mode Type 1. Rated current supply voltage 4 kV. Pollution degree control: 3. Ambient temperature 0 ° C ÷ 50 ° C. Storage temperature -40 ° C ÷ 80 ° C. Ambient humidity 95% r. h. , non-condensing. Electric featuresRated voltage AC 230VRated voltage frequency 50/60 HzTolerance range AC 198 … 264VConnection with 4 mm² terminals and 1 m cable, 3 x 0. 75 mm²