Installation and User Manual
Contents
1. CO NO Figure 6 3 Open fuse link N WARNING A wrong size of the fuse link can lead to damages both to the SOLO String Box and the PV strings IDS kc 20 24 IUM SSB en V2 02 0311 Copyright IDS ADS 6 4 2 Changing a Surge Arrester The green indicator of the surge arrester will change its colour to red when it tripped Figure 6 4 Surge arrester The surge arrester is monitored by auxiliary potential free contacts AN CAUTION The works described below must be executed only by electricians trained for PV installation 1 Open the SOLO String Box door 2 Turn the main switch off 3 Unscrew and dismantle the protective cover of the SOLO String Box WARNING The PV module strings can be under voltage even when the SOLO String Box switch is turned off The DC line toward the inverter can be under voltage even when the SOLO String Box switch is turned off In addition consider the discharge times of the inverter capacitors which is approximately 10 minutes Remove the defective surge arrester s through pulling it out of the fuse holder and place a new one AMI 1A Figure 6 5 Removing of a damaged surge arrester 1 Put the protective cover 2 Turn the main switch on 3 Close and lock the string box door IDS kc 21 24 IUM SSB en V2 02 0311 Copyright IDS ADS 7 Declaration of Conformity EG Konformitatserklarung EC Declaration of Conformity Hersteller Manufacturer IDS Trade AG Samstag2. 6 2 EN 61000 6 4 EN 50178 800 _ 735 E 682 582 482 535 585 moa SS E E a E A A A D 1 ES Im Bii a rr 1 782 Subject to change March 2011 Ordering Information For technical or commercial information please contact the IDS sales office IDS Trade AG Samstagernstrasse 55 CH 8832 Wollerau Switzerland sales ids ch www ids ch Phone 41 0 44 562 06 00 Fax 41 0 44 562 06 06 IDS kc 4 24 IUM SSB en V2 02 0311 Copyright IDS Contents 1 Type Code for PV Smart String Box iii 6 2 PUSE Sle Cio i Ude A ee ee 6 3 OO ON me ee ee er 7 3 1 Bise e i EEI E ee E o Re 8 3 2 General Sale OS ECO action 8 3 3 Description of the Symbols and Warning Signs Used occcccccncocccncccccocccnnccnnoncnnncnnnancnnnnnnnanenos 8 3 4 TC OOS OL CEI A an tute 0 8 3 5 TYDS A A A 9 LE UT GT E SO 9 5 Installation of the SOLO String Box iii 10 51 Opening the SOLO String Box Housing Door 10 5 2 Opening the SOLO String Box Protective Cover Rss 11 5 3 SOLO String BOX DEsian 2 ee ieh einen 12 5 4 Location SEISCHON ciales 13 5 9 Mechanical Installation avisar is 13 5 6 A maacsatresasnaNeoucutuenens 14 5 6 1 Electrical Connections of the PV Strings 14 5 6 2 Overview of the electrical connections ss 16 909 3 A e e ene O este 16 5 6 4 Power Cable Connections from Inverter to SOLO String Box 16 5 6 5 Connection of String Box Control Line and Feedback to the Inverter 17 5
3. 6 6 Connection of the Serial Interface for the String Box Monitoring occcccconoonccnccnnonncnnnno 17 6 SOLO Sting BOX COMMISSIONING 2 2 een 18 6 1 String Box Address Selection iii 18 6 2 Turning the SOLO String Box ON ocooooccnnccccnnccnnccononnnnnonononnnnnononnnnnnononancnnnnonnnnrnnnnnnnnnrnnnnnnnas 18 6 3 Turning the SOLO String Box Off eee 19 6 4 Replacing defective Fuse Links and Surge Arresters nnnnnn0nnnnnneennnennrnnnrenennrnnnennrenenne 20 6 4 1 Replacing a Fuse nuuuussnsennnennennnnnnennnnnnnnnnnnnnennnnnnennnnnnnnnnnn nennen nennen nnnnnnnn nennen nennnennnn 20 6 4 2 Changing a Surge Arrester iii 21 7 Declaration Of Conformity cccccccccccnnnccnnnccccnononncnnnnnnononnnnnnnnnnnnnonnnnnnnnnnnnnnnonnnnnnnnnnnnnonnnnnnnennnnnnnnnnnnns 22 NA A 24 IDS kc 5 24 IUM SSB en V2 02 0311 Copyright IDS ADS 1 Type Code for PV Smart String Box Typical Part Number SS B A 25 250 1 0 SMART String Box A SOLO String Box with DC Contactors Number of Inputs 14 Inputs 25 Inputs Nominal Current 140 Amps 250 Amps Version 1 Max PV string voltage 1000Vdc 2 Max PV string voltage 1200Vdc Revision Figure 1 1 Type code for PV Smart String Box 2 Fuse Selection Guide The fuse selection must follow the rules below Maximum DC operating voltage of the fuse must be 1 2 x nominal voltage of string Rated current of the fuse must be higher or equal tha
4. IDS WARNING Never break the current flow according to based on wrong poled strings by removing the fuses from the fuse holders The String Box Monitor inside the Smart String Box with 25 inputs SSB A 25 is mounted on a swivelling plate which can be opened to install the PV strings cables For this the two plastic screws on the right side of the plate Figure 5 12 have to be loosened completely The plate with the monitoring can be swivelled to the left until it is kept magnetically Figure 5 13 The PV terminals are now accessible WARNING lt is not allowed to open the fuse holder while current flows Positive poles of the PV strings Slotted cylin der head screw iS L TROSC 0000 hd bad nd bed t 8 Bil Figure 5 12 Preparation for the connection of the PV terminals in the SSB A 25 Ae 4 E l AR a a j y Ai L MOTE AA OTC OO Occ E mm ww Figure 5 13 PV string terminals IDS kc 15 24 IUM SSB en V2 02 0311 Copyright IDS ADS 5 6 2 Overview of the electrical connections The following table gives a brief overview of the electrical connections and its terminal numbers Please infer detailed information from the following sub chapters or from the datasheet Table 5 1 Overview of the electrical connections Specification Supply cable to inverter Positive pole Supply cable to inverter Negative pole PE Grounding connection Smart String Box PV1 Connections string
5. be connected depending on the string box type The positive poles of the separate power feeds are protected individually whereas the type of the fuses must correspond to the maximum PV module string current The separate string currents are brought together through coupling joints and contactors toward the two DC output terminals The currents are monitored and via serial interface fibre optical or optional RS 485 sent to the data collector which can be a part of the inverter or a separate module If an overvoltage occurs the accruing energy is discharged thorough a surge arrester 10H1 F 10S1 10K2 EEE 10U1 10A2 MSM Multy String Monitoring 10G1 SBM String Box Monitor DC Contactors 10A1 10U1 Cat Il Surge Arrester 10K2 10K1 D me gt S S gt S 12 S o J w 000000 10X2 0102 602 04 Gl OQ 190x108 O O 68 a O oc 10X2 03 4 Optical Feedback Interface RS485 Ready Contactor control Figure 3 2 Scheme of the SOLO Smart String Box with inputs for 25 PV strings IDS kc 7 24 IUM SSB en V2 02 0311 Copyright IDS ADS 3 1 Disclaimer IDS delivers optimized and tested equipment like Inverters and string boxes for Solar Power Plants The correct integration and interconnection of the equipment according to the manuals and datasheets from IDS is the responsibility of the System Integrator IDS does not assume any liability for system design dimensioning build up and the performa
6. wires Positive poles PV25 10X1 PV25 10X2 2 10X2 4 Supply String Box Monitor 5 6 3 Fuse Selection The fuses are pre installed at factory according to the SOLO String Box type The fuses have to be selected according to Chapter 2 Fuse Type Selection 5 6 4 Power Cable Connections from Inverter to SOLO String Box 1 For installation the protective transparent plate must be unscrewed and detached from the box 2 First the grounding cable must be connected with a cable lug to the foreseen screw joint 3 The supply cables to the inverter Figure 5 14 are connected with cable lugs to the foreseen screw joints The correct polarity must be observed 4 The protective transparent plate must be mounted back and screwed i nm aa oy ye be se de at el let ef sy Y gt A wu aaa Ba YN s n Bus KG DC DC PE Xe 7e SR ER E E Pa on poet a er wor PR ees a A Ze A nee F ire FT PRE ee O Re e PR T RER E AAA jet RE at gt Figure 5 14 Connection of PE DC and DC output to the inverter IDS kc 16 24 IUM SSB en V2 02 0311 Copyright IDS 5 6 5 Connection of String Box Control Line and Feedback to the Inverter The connection of DC and DC terminals to PV and PV string joints is done by two contactors 10K1 and 10K2 respectively They are switched on by 230Vac control line from inverter connected to control terminals 10X2 3 and 10X2 4 as shown in Figure 5 15 The Str
7. against direct contact before proceeding with the commissioning IDS kc 18 24 IUM SSB en V2 02 0311 Copyright IDS ADS The protective cover of the SOLO String Box can be dismounted or mounted only when the main switch is turned off Figure 6 2 Screw DC Switch ON OFF Selected address indicator Figure 6 2 Protective cover The screws of the SOLO String Box protective cover can be locked with the use of a slotted screwdriver with a quarter of a revolution clockwise When the PV modules in the PV installation are connected properly the SOLO String Box is ready for operation For the commissioning of the SOLO String Box please observe also the instructions described in the user manual of the photovoltaic inverter To connect the PV modules to the photovoltaic inverter turn the main switch to ON position Close and lock the SOLO String Box door The indication lamp on the door should glow with red light If the lamp is blinking this is an indication for a surge arrester or contactors or monitor electronic fault AN CAUTION The door must be closed properly in order to prevent penetration of dust and humidity CAUTION Contaminations on the rubber seal must be avoided at any cost Damaged rubber seals must be replaced immediately 6 3 Turning the SOLO String Box Off In order to separate the PV modules from a photovoltaic inverter turn the main switch in the Off position AN CAUTION Please obs
8. any warranty as to properties The safety information contained in the product documentation supplied must be adhered to Integral Drive Systems AG Technoparkstrasse 1 CH 8005 Z rich Phone 41 44 562 06 00 Fax 41 44 562 06 06 E Mail info ids ch www ids ch IDS kc 22 24 IUM SSB en V2 02 0311 Copyright IDS Notes IDS kc 23 24 IUM SSB en V2 02 0311 Copyright IDS ADS 8 Contacts Sales IDS Trade AG Samstagernstrasse 55 CH 8832 Wollerau Switzerland Service Integral Drive Systems AG Technoparkstrasse 1 CH 8005 Z rich Switzerland IDS kc 24 24 Tel Fax E Mail Internet Tel Fax E Mail Internet 41 43 888 9315 41 43 888 9316 info ids ch www ids ch 41 44 562 0690 41 44 562 0606 service ids ch www ids ch IUM SSB en V2 02 0311
9. ernstrasse 55 CH 8832 Wollerau Schweiz Diese Konformitatserklarung bezieht sich auf die Anschlusskasten This declaration of conformity relates to string boxes SSB A 14 140 SSB A 25 250 Das bezeichnete Produkt stimmt mit den Vorschriften folgender Richtlinien Uberein The above described product is in conformity with the requirements laid down in the following guidelines EN 61000 6 2 Elektromagnetische Vertraglichkeit EMV Teil 6 2 Fachgrundnormen St rfestigkeit f r Industriebereich IEC 61000 6 2 1999 modifiziert Electromagnetic compatibility EMC Part 6 2 Generic standards Immunity for industrial environments IEC 61000 6 2 1999 modified EN 61000 6 4 Elektromagnetische Vertraglichkeit EMV Teil 6 4 Fachgrundnormen St raussendung f r Industriebereiche IEC 61000 6 4 2006 Electromagnetic compatibility EMC Part 6 4 Generic standards Emission standard for industrial environments IEC 61000 6 4 2006 EN 50178 Ausr stung von Starkstromanlagen mit elektronischen Betriebsmitteln EN 50178 1997 Electronic equipment for use in power installations EN 50178 1997 Aussteller issued by M Vinzens CTO IDS Trade AG Diese Erkl rung bescheinigt die bereinstimmung mit den Richtlinien beinhaltet jedoch keine Zusicherung von Eigenschaften Die Sicherheitshinweise der mitgelieferten Produktdokumentation sind zu beachten This declaration confirms the compliance with the quoted directive but it does not constitute
10. erve the instructions supplied in the user manual of your photovoltaic inverter IDS kc 19 24 IUM SSB en V2 02 0311 Copyright IDS ADS 6 4 Replacing defective Fuse Links and Surge Arresters AN CAUTION The works described below may be executed only by electricians trained for PV installation CAUTION Use only original fuses In case of use of products manufactured and offered by third parties the protection of the installation will no longer be secured WARNING The PV module strings can be under voltage even when the SOLO String Box switch is turned off The DC line toward the inverter can be under voltage even when the SOLO String Box switch is turned off In addition consider the discharge times of the inverter capacitors which is approximately 10 minutes 6 4 1 Replacing a Fuse AN CAUTION Please observe the instructions supplied in the user manual of your photovoltaic inverter Check through the data logger interface which string is not producing current This can be an indication of a damaged fuse Open the string box door Turn the main switch to Off Replace the fuse link by pulling out the string fuse insert Replace the fuse link with the correct rated current complying with the rules defined in Chapter 2 Fuse selection guide Close the string fuse insert Put the protective cover Turn the main switch on The string is operational again Close and lock the string box door mb oe a
11. ethal DC voltage Removing of this protective cover shall be done by authorized and qualified personnel only Any liability is excluded in case this rule is not respected The protective cover of the SOLO String Box cannot be dismounted when the main switch is on In order to remove the protective cover please put the main switch in off position as shown on the Figure 5 2 Then unlock the screws by slotted screw driver 1 4 revolution as shown on the same picture Screw DC Switch ON OFF String box address Figure 5 2 SOLO Smart String Box protective cover PV In MARESME JE Ey EEE EEE EEE PV PV In PV 230VAC DC Out power supply DC Out 230VAC con tactor control Figure 5 3 Interior view Potentially lethal voltages location when the main switch is off IDS kc 11 24 IUM SSB en V2 02 0311 Copyright IDS 5 3 SOLO String Box Design String current meas Surge arrester urement electronic PV Contactor Fuse holders PV Contactor PV string terminals FREIE TE Type label CEECEE PV string terminals gt String box monitor LL electronic DC Glass fibre optic interface DC PE RS485 interface Power supply 230VAC Contactor control 230VAC Figure 5 4 SOLO String Box interior view Climate valve Serial interface cables PV String inputs Cables contactors switch on PE input Cables power supply for monitor electronic Climate valve DC output DC output Figure 5 5 Cab
12. g Box Ready connection to the inverter Monitor electronic power supply IDS kc 17 24 IUM SSB en V2 02 0311 Copyright IDS ADS 6 SOLO String Box Commissioning 6 1 String Box Address Selection All String Boxes connected to a common serial interface should have unique addresses With the two installed address selection keys it is possible to address up to 100 string boxes in one bus The selected address number is indicated by the help also of LED seven segment indicators Figure 6 1 The two empty rectangulars on left side label in Figure 6 1 are to write in with permanent marker the selected address during commisioning r vu CNT PVA f Y rar A J pios Tan El Write with a permanent marker the selected h lt address EN OVENS A a mueras Oe 7 Seven segment indica tion of the selected address Keys for address selection by the help of screw driver Figure 6 1 Setting the address of the String Box Monitor unit 6 2 Turning the SOLO String Box On Make sure that the PV strings DC DC signal and PE cables are installed correctly in the SOLO String Box Check if the fuse links sizes are rated for the correct current The fuse rating must comply with the rules defined in Chapter 2 Fuse selection guide N WARNING wrong size of the fuse link can lead to damages both to the SOLO String Box and the PV strings WARNING Danger of an electric shock Mount the plastic protective cover for protection
13. ing Box ready feedback signal is connected to the terminals 10X2 1 and 10X2 2 The signal has to be run to the SOLO inverter Is the String Box not ready despite the actuation of the contactors the SOLO inverter will report a warning In case of a warning the modules of the surge arresters have to be checked green red indicator and if needed exchanged If still a warning occurs despite of intact surge arrester modules the DC contactors have to be checked and maybe exchanged Ready feedback ITET a ee a toi 230va0 re a t ie a E F E A u L 8 Figure 5 15 Connection terminals to signal cables 5 6 6 Connection of the Serial Interface for the String Box Monitoring The communication for the String Box Monitoring can by realized by using the glass fibre interface standard or the RS485 interface optional The glass fibre interface requires a ring topology between the data logger in the inverter and the string boxes Starting from the inverter the ring topology has to be connected from string box to string box with increasing address numbering Whereas the RS485 has to be realized as a bus and terminated in the last String Box with the termination resistance shift the white switches to ON a a r CALE my a aja 4 Glass fibre transmitter and receiver RS485 terminals Shift to ON for activation the termination resistance Figure 5 16 Signal cable wiring String Box Figure 5 17 Signal cable wiring Strin
14. input Cable outer diameter 230 Vie 10 15 50 Hz 10 Pra 30W 4 5mm 10mm cable gland Spring terminals through type strand wire cross section 0 25 4 mm Signal cable 3 x 1 5 mm LNPE IDS kc 3 24 IUM SSB en V2 02 0311 Copyright IDS ADS Datasheet SOLO Smart String Box String Box Monitor Interface Ready feedback Separate feedback for each Smart String Box Closed dry contact when ready Ready feedback output 24 Vacme 18 36 V 2 A at 30 Vor Cable outer diameter 4 5 10 mm cable gland Spring terminals through type strand wire cross section 0 25 4 mm Cable cross section 2 x 1 mm Fibre optical interface standard Ring type serial interface connection Cable type for optical interface Outdoor UV light resistant armoured Fibre type Multimode 62 5 125 or 50 125 Cable end port ST type Recommended A VO BN H 1x4 Corning Cable Systems Terminals for glass fibre ST port transmitter and receiver Cable outer diameter 4 5 10 mm cable gland RS 485 serial interface optional Separable screw terminal with 6 pins for easy bus wiring Galvanically isolated from monitoring electronic Cable type for RS485 interface Outdoor UV light resistant Recommended UNITRONIC Li2YCYv TP 2x2x0 5 or 3x2x0 5 Lapp Kabel Screw type separable terminals Cable outer diameter 4 5 10 mm cable gland Cable cross section 0 5 1 mm Options Standards CE conformity EMC Yes EN 61000
15. ions for the installation of power current devices for the electrical equipment of processing and manipulation machines for the equipment of power current devices with electronic operation tools as well as the regulations for the professional use of tools and personal protective equipment WARNING The installation operates under life threatening voltages The PV module strings can be under voltage even when the SOLO String Box switch is turned off and the string protections are detached The DC line toward the inverter can be under voltage even when the SOLO String Box switch is turned off In addition consider the discharge time of the inverter capacitors which is approximately 10 minutes WARNING The SOLO String Box is a part of an entire PV installation Therefore please consider all warnings on the SOLO String Box and on the inverter An automatic restart can take place after a network or photovoltaic voltage interruption IDS kc 9 24 IUM SSB en V2 02 0311 Copyright IDS ADS 5 Installation of the SOLO String Box 5 1 Opening the SOLO String Box Housing Door oa The SOLO String Box door is closed with the use of the supplied key rn key String box state Indication lamp Figure 5 1 SOLO Smart String Box housing door IDS kc 10 24 IUM SSB en V2 02 0311 Copyright IDS ADS 5 2 Opening the SOLO String Box Protective Cover WARNING Even if main switch is turned off the PV side and the DC output side might be under l
16. le glands on SOLO Smart String Box exterior view IDS kc 12 24 IUM SSB en V2 02 0311 Copyright IDS ay Le y X Jas 4 4 wee ce E 1 Go Ko re DASS SE e S mec Be T A Figure 5 6 Cable glands in the SOLO Smart String Box interior view 5 4 Location Selection The SOLO String Box is suitable for outdoor installation and should be placed as close as possible to the PV modules in order to minimize cable length The String Box should be freely accessible for maintenance work A location without direct sunlight should be chosen The SOLO String Box should be mounted in a way minimizing or preventing the collection of water dirt and moss development 5 5 Mechanical Installation The supplied fitting materials should be used where possible The SOLO String Box must be mounted vertically with the cable holdings on the bottom side Water must never reach the inside of the box The SOLO String Box should be mounted on a wall with the help of the supplied mounting clips Figure 5 7 Dimension drawing SSB A 14 SSB A 25 IDS kc 13 24 IUM SSB en V2 02 0311 Copyright IDS ADS The two climate valves see front view and rear view must not be covered They ensure the air circulation inside the SOLO Smart String Box Figure 5 8 Climate valve interior view Figure 5 9 Climate valve exterior view 5 6 Electrical Installation AN CAUTION The works described
17. may be executed only by electricians trained for PV installation WARNING The PV module strings can be under voltage even when the SOLO String Box switch is turned off and the string protections are detached The DC line toward the inverter can be under voltage even when the SOLO String Box switch is turned off In addition consider the discharge times of the inverter capacitors which is approximately 10 minutes CAUTION The power supply lines must be mounted in a way that won t allow them to be damaged by rodents CAUTION The electrical lines must not come in contact with flammable materials 5 6 1 Electrical Connections of the PV Strings CAUTION Never feed a DC inlet with voltages higher than 1000V Higher voltages lead to Box damages In case of breach of this rule all warranties will expire and no liability for consequential damages will be undertaken Removing the fuses out of the fuse holders Connect the PV string cables in the designated terminals Measure the string voltage and check the polarity Insert the fuses again ae ze The correct polarity must be observed during this procedure In case of incorrect polarity the SOLO String Box and the PV modules might be damaged The connecting points are visible in the following pictures dd HER Y a gt A COCOON EEE Figure 5 10 PV minus string terminals Figure 5 11 PV minus string discon nect terminals IDS kc 14 24 IUM SSB en V2 02 0311 Copyright
18. n 1 6 x Isc at standard conditions STC Isc short circuit current of panel Isc short circuit cur Rated current Pre arching Operating Joule IDS rent of panel at STC of the fuse Joule integral integral As article number A s L R 2ms L R 2 ms ART 07020 ART 07021 ART 07807 ART 07764 ART 07023 IDS kc 6 24 IUM SSB en V2 02 0311 Copyright IDS ADS 3 Introduction The SOLO String Box is used to merge the electrical energy of the single PV module strings Preferably the string box should be placed close to the PV fields The box is also used to disconnect the DC lines from the inverter Several SOLO String Boxes can be connected in parallel to feed one tracker input of SOLO inverter PV Feld 1 Smart String Box PV Inverter a DC ET fren Bam DE PV2 PE PE f Contactor M A E a control TE no Onions as TA Feedback 1 rn Y Serial interface Serial interface PV Feld 2 Smart String Box PV2 PE u f i Contactor EA ESA Contactor control 2 Pyne control E PVn Feedback AA Feedback 2 Serial interface PV Feld 6 Smart String Box Tracker3 CCE PV1 DC ASS z ZHP 2e HH Pv2 PV2 PE f Contactor control ASH PVn PVn Feedback PE Contactor control 5 Feedback 5 PE Contactor control 6 Feedback 6 Serial interface Figure 3 1 Exemplary overall scheme of a PV installation with Smart String Boxes A different number of PV strings can
19. nce of the system Claims because of downtime are excluded The contents of the written text are reviewed for compliance with the hardware and software described below However inaccuracies cannot be excluded thus preventing us from supplying a full warranty for full compli ance The data supplied in the current manual is reviewed regularly Corrections are included in subsequent editions In case of violation of the installation instructions warranty claims will not be accepted We discard any liability in cases of accidents and material damage caused by inappropriate handling undertaking of works by unauthorized personnel and the resulting damages on persons and device as well as for any resulting subsequent damages 3 2 General Safety Instructions Photovoltaic installations operate with lethal voltages The works described here should be performed only by authorized specialized personnel that are familiar with the installation mounting commissioning and operation of PV installation This manual must be read and understood before the installation or the commissioning takes place Unauthorized personnel are not allowed to open the SOLO String Box The SOLO String Box may only be used for the envisaged purposes The faultless and safe operation of the product assumes appropriate transport specialized storage installation and mounting as well as careful manipulation and maintenance The relevant regional and country specific regulatio
20. ns and instructions must be obeyed The requirements described e g the placement location or the installation instructions e g connection profiles torques etc must be taken under consideration at all costs 3 3 Description of the Symbols and Warning Signs Used N WARNING The disobedience of this warning sign may lead to death or serious body injuries to persons AN CAUTION The disobedience of this warning sign could lead to property damage 3 4 Scope of Delivery Fuses for the Power Supply Box PSB Fuse for the String Box Monitor SBM 2 Fuses for the strings 2 Plug for connection of the glass fibre interface bypass the SBM s IDS kc 8 24 IUM SSB en V2 02 0311 Copyright IDS ADS 3 5 Type Label The type label with the product identification is located in the string box on the right side under the protective cover as shown in Figure 5 4 The label is Product shown in Figure 3 3 identification Type SSB A 25 250 1 0 Circuit diagram no V1 0 Rev 0 Max PV Max PV Number of string voltage string current string inputs Upy 1000 Vde lay 10 A n 25 Max DC output Max DC output Surge protector voltage current Type Upc 1000 Vde loc 250 A Il Conformity Rated ambient Insulation Protection temperature class Oj class Production date Serial number 09 2010 10 20001 Figure 3 3 Example of a type label 4 Warnings WARNING The installation instruction must be obeyed in particular the provis
21. o ADS Installation and User Manual PV Smart String Box active with contactors SSB A 14 140 SSB A 25 250 Version 2 02 Copyright IDS ADS Datasheet SOLO Smart String Box Satz m Electrical Data Maximum operating voltage Maximum output current DC Maximum number PV entrances strings Maximal input current DC per string String current measurement range Reverse string current measuring Surge arrester Test voltage 2 5 kV 50 Hz I min Surge arrester fault indication Yes auxiliary dry contacts Mechanical Data Dimensions in mm Weight 29 kg Colour RAL 7035 light grey Enclosure material Glass fibre reinforced and halogenfree polyester IP55 outdoor Protection class according to EN 60529 Impact strength according to EN 50102 Max air humidity Ambient temperature range 20 C 60 C UV proof PV Connections outer diameter Fastening torque nominal maximal Strand wire cross section PV Connections outer diameter Spring terminals through type strand wire cross section Inverter connections outer diameter Fastening torque nominal maximal Cable lug size Grounding connection outer diameter Fastening torque nominal maximal Cable lug size String Box Interface Yes 4 5 10 mm cable gland 1 5 Nm 1 8 Nm 0 5 10 mm 4 5 10 mm cable gland 0 5 10 mm 22 32 mm cable gland 25 Nm M12 7 13 mm cable gland 25 Nm M12 DC contactor control
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