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1 NN odvodniki prenapetosti                             LV surge arresters




            1.1   NNO in MOSIPO splošno                       1.1   NNO and MOSIPO generally
            Proizvod                                          Product
            NNO in MOSIPO so nizkonapetostni kovinsko oksidni   NNO and MOSIPO are low voltage metal oxide surge
            odvodniki prenapetosti s silikonskim plaščem. Namenjeni   arresters with silicone coating. They are designed to be
            so  za vgradnjo v NN vode ali razdelilne omarice do 1 kV kot   installed in LV power lines or in junction boxes up to 1 kV as
            prva stopnja zaščite pred direktnim udarom strele.  the first level of protection against direct lightning strikes.

            Lastnosti                                         Characteristics
            Odklopna naprava reagira:                         The disconnecting device reacts:
              •   po določenem številu udarov, ko v normalnem     •   after a certain number of strokes when in normal
                obratovanju tok skozi odvodnik naraste nad 1 mA,  operation the current through the surge arrester
              •   v primeru atmosferske praznitve (tok večji od 65 kA).  increases over 1 mA,
            Po delovanju odklopne naprave je potrebno zamenjati      •  in case of atmospheric discharge (current bigger than 65 kA).
            odvodnik prenapetosti. Odklopna naprava je vidno ločena   After the disconnecting device has been actived it is necessary
            vendar povezana z odvodnikom prenapetosti.        to replace the surge arrester. The disconnecting device is
                                                              visibly separated but still attached to the surge arrester.

            Vgradnja                                          Installation
            Mesto montaže odvodnikov prenapetosti NNO in MOSIPO,   The position for installing NNO and MOSIPO surge arresters
            določajo pravilniki in tehnični predpisi.         is decided by directives and technical regulations.
            Obvezno se vgradijo na:                           They must be installed:
              •   vse odcepe in zaključke nizkonapetostnih prostih vodov,    •   on all branches and ends of low voltage overhead
              •   medsebojni razdalji maksimalno do 1000 m,      power lines,
              •   razdalji manjši od 500 m, kjer so nevihte pogostejše,    •   at a maximum mutual distance up to 1000 m,
              •  vseh prehodih prostih vodov na kable in obratno.    •   at a distance smaller than 500 m, where storms
                                                                 occur more often,
                                                                •   in all passages from free conductors to cables and
                                                                 vice versa.
            Splošni podatki                                   General data
              •  Odzivni čas: tA < 25 ns                        •  Response time:  tA < 25 ns
              •  Temperaturno območje okolja: T = -40 °C … +85 ºC    •  Ambient temperature range: T = -40 °C … +85 ºC
              •  Stopnja zaščite: IP 67                         •  Ingress protection level: IP 67
              •  Plašč: silikon LSR                             •  Coat: silicone LSR
              •  Barva silikona: siva                           •  Silicone colour: grey
              •  Napetostni nivoji: 275, 280, 440, 500, 690 V    •  Voltage levels: 275, 280, 440, 500, 690 V
              •  Testirani po standardu: IEC 61643-1 in IEC 61643-11    •   Tested according to standard: IEC 61643-1 and IEC 61643-11
              •  IEC razred: II                                 •  IEC class: II
              •  Ozemljitveni vodnik: H07V-K                    •  Earthning connductor: H07V-K

                    HYDROPHOBIC  UV RESISTANCE  SELF-CLEANING               100 %
                                      IP 67                                 SUCCESFULLY
                                                                            TESTED       SLOVENIA
             Prednosti pred konkurenco                         Competitive advantages
             NNO in MOSIPO odvodniki prenapetosti za zunanjo in   NNO and MOSIPO surge arresters for indoor and
             notranjo montažo imajo:                           outdoor installation have:
               •  stopnjo zaščite IP 67,                         •  ingress protection level IP 67,
               •  silikonski plašč,                              •  silicone coating,
               •  certifikat akreditiranega laboratorija,        •  certificate from an accredited laboratory,
               •   dobro vidno ločen ozemljitveni vodnik po delovanju     •   well visible seperated conductor after operation of
                 odklopne naprave.                                the disconnecting device.
             Na zahtevo kupca izdelamo odvodnike prenapetosti   At the customer’s request we produce surge arresters
             NNO in MOSIPO:                                    NNO and MOSIPO:
               •  brez ozemljitvenega vodnika,                   •  without earthing conductor,
               •  s poljubno dolžino ozemljitvenega vodnika,     •  with any earthing conductor length,
               •  s poljubnim zaključkom ozemljitvenega vodnika,    •  with any end fitting on earthing conductor,
               •  s poljubno barvo ozemljitvenega vodnika,       •  with any colour of earthing conductor,
               •  kot tovarniški komplet po izbiri kupca,        •  as a factory set by customer's choice,
               •   z integriranim ozemljitvenim vodnikom poljubne dolžine.    •  with integrated earthing conductor of any length.


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