Monitoring Relays Surge Arresters forDC systems Type DSB D • Type 2 (class C) according to EN61643-1 (VDE 0675, part 6-11) • Plug-in cartridges • Optical indication of the correct working of the cartridge (red window: exhausted cartridge) • Voltage-free contact, for remote function monitoring, optional • Independed thermal separating device for each pole • Assembled unit ready for mounting • Marked connections • For DIN-rail mounting Product Description Ordering Key DSB 53 X D 1000 DSBDisType2(Class C) surge arresters according toEN61643- 11 (VDE 0675,part6-11) suitable for protecting photovoltaicDCsys- tems from transient overvoltage duetoindi- rect atmospheric dis- charges. It is available bothin 3-pole configu- ration,allowing bothdif- ferential and common mode protection.The controlwindows(red indication)and the optional contact allow both alocal and a remote monitoring of the status oftheplug-in cartridges,warningthe operator abouttheneed topromptlyreplace the cartridges themselves. DSBDcanbeinstalled on a DIN-railin every commercially available distribution box. Description Code Mounting DIN-rail D Function Surge arrestersS Type Type 2 (class C)B Cartridge dimensions 17.5 mm5 Configuration 3-pole3 Contact None X 1 (relay) C Network DCD Range 1000 VDC1000 Type Selection CodeDescriptionMax. cont. operating voltage Output relay DSB53XD10003-pole (Y) surge arrester for P.V. installations1000 VDCNone DSB53CD10003-pole (Y) surge arrester for P.V. installations1000 VDC DPDT Cartridge specifications Max. continuous operatingUc voltage DC 1000 VDC SPD according to CEI EN 61643-11 Type 2 SPD according to IEC 61643-1Class II LPZ 1 --> 2 Nominal discharge surge In current (8/20) 20kA Max. discharge surge currentImax (8/20)40 kA Voltage protection level Up < 3.65 kV Response time tA < 25 ns Protection fuse size (if mains > 125A) 125 A gL Front windowNo color, working cartridge Red, exhausted cartridge (to be replaced) Operating temperature-40 to +80 °C 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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