PZH R2*M is a surge arrester according to EN 61643-11 ed.2 (IEC 61643-11:2011) consisting of high energy varistors in combination with gas discharge tube, which ensures zero leakage current in the PE conductor. Its parameters enable its use in complex circumstances. The device is to be installed on the interface of LPZ 1 – LPZ 2 and higher zones according to standard EN 62305 ed.2 (IEC 62305:2010), i.e. into subsidiary switchboards and control boxes. S indication specifies a version with remote monitoring. M indication specifies a type of construction with removable module.
| Konfiguracija sustava TN-C-S | Točno |
| Nazivna odvodna struja (8/20) | 20 kA |
| Konfiguracija sustava DC | Netočno |
| Nazivni napon AC | 230 V |
| Konfiguracija sustava IT | Netočno |
| Maks. trajni napon AC | 275 V |
| Konfiguracija sustava TN-C | Netočno |
| Konfiguracija sustava TN-S | Točno |
| Konfiguracija sustava TT | Točno |
| Broj vodiča (bez uzemljenja) | 4 |
| Razina naponske zaštite | 1,25 kV |
| Razina naponske zaštite L-N | 1,25 kV |
| Maks. odvodna struja (8/20) | 50 kA |
| Razina naponske zaštite N-PE | 1,4 kV |
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