Specification:
| Type | VPU AC II 3+1 R 300/50 |
| Order No. | 2591090000 |
| Version | Surge voltage arrester, Low voltage, Surge protection, with remote contact, TN-C-S, TN-S, TT, UP(L/N-PE) ≤ 1.5 kV |
| Humidity | 5 – 95% rel. humidity |
| Operating temperature, max. | 85 °C |
| Operating temperature, min. | -40 °C |
| Storage temperature, max. | 85 °C |
| Storage temperature, min. | -40 °C |
| Operating temperature | -40 °C…85 °C |
| Storage temperature | -40 °C…85 °C |