... protectionTechnical data:Service conditions: Ambient temperature -25°C-50°C, humidity<=85%, and altitude lower than 2000m.Rated voltage: 230VAC, 400VAC, 525VAC, 690VAC ... 2.15 times rated voltage for 5 seconds, between terminals and container 2 Un+2Kv or 3KVAC choose the higher one ... .430596.843.3260M8B20.4-40-30.440796.257.7320M8B20.4-45-30.445895.265.0210M10C0.4-50-30.450995.272.2210M10C0 ...