Monitoring Relays Surge Arresters forDC system Type DSC54CD1000PV • Category IEC / EN / VDE: Class I, II/ Type 1, 2 / B • Location of use: Photovoltaic system - PV module side • Protection modes: (+) - PE, (-) - PEN • Protective element: High Energy MOV • High surge discharge rating: Iimp = 12.5kA per pole • Housing: Compact design • Complies with: IEC-61643-1, UTE C 61-740-51 Product Description Ordering Key Device Class DIN modules number Status contact Voltage type 1000V Photovoltaic applications Type Selection DSC54 CD 1000 PV DSC54xD1000PV is a surge arrester specifically designed forPVinstalla- tionswithor without LPS (Lightning Protection System)as it is a ClassI andII device, hencesuit- ablefordirect andindi- rectlightning strikes. The use of surgearresteron a PV plantcan also prevent overvoltagesoccurring duetolossofinsulation ofcomponents orcables or misconnections. 1000Vdc is the least requirement forlatestPV installationsthatoperate at600/ 800Vinnormal operatingconditions. The arrester shall be installed as closeas pos- sibleto the Inverter.If the distnce between the PV field and the inverter is longerthan7mitis advisable to installone at eacehend of the line. Device Class Class I/IIDSC5 Mounting DIN modules number 4 Status contact Present C None X Voltage type Direct Current D Operating voltage protection 1000V 1000 Application PhotovoltaicPV Electrical characteristics Max. continuous operating Uc voltage (DC) 1000V Nominal discharge current In Specific energy39kJ/Ω Charge 6.25As Protection level Up < 2.6kV (8/20) 20kA per pole Max. discharge current Imax (8/20) 40kA per pole Residual voltage at Iimp Follow current If Ures < 2.2kV NO Impulse currentIimp (10/350) 12.5kA per pole Response time tA <25ns Thermal protectionYES Contact characteristics Contact ratingsAC:250V/0.5A 125V/3A Terminal cross sectionmax 1.5mm2 Remote terminal torque0.25Nm General characteristics Temperature range-40°C to +80°C Terminal screw torque max. 4.5Nm Terminal cross section35mm2 (solid) / 25mm2 (stranded) Mounting EN60715 35mm top-hat rail Degree of protectionIP20 Housing materialThermoplastic extinguish- ing degree UL94 V-0 Dimension DIN43880 4TE Weight 583g Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. REV0 100713 1
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