UL 4248-19 pdf free download.Fuseholders – Part 19: Photovoltaic Fuseholders. 3 Units of Measurement 3.1The values given in Sl (metric) shall be normative.Any other values given shall be for informationpurposes only. 4 General 4.1 In Canada, general requirements applicable to this Standard are given in CSA C22.2 No.0,GeneralRequirements -Canadian Electrical Code,Part lI. 5 Classification 5.1 Fuseholders for use with photovoltaic (PV) fuses shall have a minimum short-circuit withstand ratingof 10 kA and shall be rated 1500 vdc maximum. 6 Ratings 6.1 Fuseholders for use with photovoltaic(PV) fuses may be rated 1500 Vdc maximum,and thepreferred ratings are 600 V,750 v,1000 v,1250 v,and 1500 v. 6.2 Fuseholders for use with photovoltaic (PV) fuses shall have a minimum short-circuit withstand ratingof 10 kA. 7Markings 7.1 Fuseholders for use with photovoltaic (PV) fuses shall be marked in accordance with Part 1. ln the United States and Mexico, the French markings are not required. In Canada and the United States, the Spanish markings are not required.7.2The information on a fuseholder shall be legible and include the following: a) “Use Photovoltaic (PV) Fuses” or equivalent and u Utiliser des fusibles photovoltaiques 》 or theequivalent and “Utilizar fusibles fotovoltaicos (Pvy or equivalent; b) “Line”and “Load” for panel mount and in-line fuseholders and u Secteur w et u Charge w andLinea” y”Carga”; c) “DO NOT OPEN or REMOVE UNDER LOAD” or equivalent and 《 NE PAS UTILISER sSousCHARGE 》 or the equivalent and “NO ABRIR o QUITAR BAJO CARGA” or equivalent (intendedfor modular design photovoltaic (PV) fuseholders such that the fuse is inserted or removed by useof a carrier); and d) “Do Not Connect or Disconnect under Load” or equivalent and u NE PAS BRANCHER OUDEBRANCHER SOUS CHARGE 》 or the equivalent and “No conectar o desconectar bajo carga”or equivalent (intended for photovoltaic (PV) fuseholders that include a wire connector feature). 7.3 PV fuseholders employing an integral,non-user replaceable fuse need not bear the markingsspecified in 7.2(a)-(d). 7.4Pv fuseholders shall not be marked for 60°C(167°F) wire.UL 4248 pdf download.

Download Address

  • Download