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SLC CUBE 3+

USER'S MANUAL

UNINTERRUPTIBLE POWER SUPPLY

Summary of Contents for SLC CUBE 3+

Page 1: ...SLC CUBE 3 USER S MANUAL UNINTERRUPTIBLE POWER SUPPLY ...

Page 2: ...12 and X23 with the battery modules X47 X48 and X49 5 2 5 Connection to the input main protecting earth terminal X5 and the earth bonding terminal X10 5 2 6 Relay COM port Connector X32 5 2 7 RS232 RS485 and USB COM 0 ports 5 2 7 1 RS232 RS485 COM 0 ports Connector X31 5 2 7 2 COM or USB port Connector X31USB 5 2 8 EPO terminals X50 5 2 9 Auxiliary contact and battery temperature probe terminal st...

Page 3: ...ues screens menu screen 7 0 See Fig 50 8 MAINTENANCE WARRANTY AND SERVICE 8 1 MAINTENANCE BASIC GUIDE 8 1 1 Battery fuses 8 1 2 Batteries 8 1 3 Fans 8 1 4 Capacitors 8 2 WARRANTY CONDITIONS 8 2 1 Warranty terms 8 2 2 Out of scope of supply 8 3 TECHNICAL SERVICE NETWORK 9 ANNEXES 9 1 PARTICULAR SPECIFICATIONS EQUIPMENTS LV 9 2 TECHNICAL SPECIFICATIONS EQUIPMENTS HV 9 3 GLOSSARY ...

Page 4: ...f or specifi cally authorised Although no effort has been spared to guarantee that the information in this manual is complete and accurate we are not responsible of any errors or omissions that may exist The images included in this document are for mere illustra tion and may not accurate represent the parts of the equip ment showed However the differences that may arise will be smoothed or solved ...

Page 5: ...ffers from the figures shown in section 4 there will be additional explanatory annexes if they were needed In general they will be given in hardcopy The following terms are used in the document to be referred to SLC CUBE3 CUBE3 equipment or unit Uninter ruptible Power Supply Depending on the context of the sentence it can be referred ei ther to the own equipment or to the equipment with batteries ...

Page 6: ...cluded in the event of any modification or interventionintheproductbythecustomer sside WARNING This is a category C3 UPS product This is a product for commercial and industrial application in the sec ond environment installation restrictions or additional measures may be needed to prevent disturbances Pay attention to those systems used in vital signs mainte nance medical applications commercial t...

Page 7: ... only ver 15 Battery cabinet for extended back up time models only ver 16 SLC 10 CUBE3 10 9 10 8 SLC 15 CUBE3 15 13 5 15 12 SLC 20 CUBE3 20 18 20 16 SLC 30 CUBE3 30 27 30 24 SLC 40 CUBE3 40 36 40 32 SLC 50 CUBE3 50 45 50 40 15 16 SLC 60 CUBE3 60 54 60 48 SLC 80 CUBE3 Available at setting III III only 80 72 80 64 2 10 17 18 SLC 100 CUBE3 100 90 100 80 2 0 3 for B 11 0 12 for B SLC 120 CUBE3 120 108...

Page 8: ...UPS front view from 5 to 30 kVA LV 7 5 to 60 kVA HV with or without separate static bypass line B Fig 2 UPS front view from 40 to 60 kVA LV 80 to 120 kVA HV without separate static bypass and 40 kVA LV 80 kVA HV with separate static bypass B USER MANUAL ...

Page 9: ...9 Fig 24 RV CL PF PB RD SALICRU Fig 3 UPS front view of 50 and 60 kVA LV 100 and 120 kVA HV with separate static bypass line B ...

Page 10: ...10 CL Fig 24 RV PF CL Fig 4 UPS front view of 80 and 100 kVA LV 160 and 200 kVA HV without separate static bypass line USER MANUAL ...

Page 11: ...11 00 PR CL Fig 24 RV PF CL SALICRU 00 Top entry cable Optional Fig 5 UPS front view of 80 and 100 kVA LV 160 and 200 kVA HV with separate static bypass line B ...

Page 12: ...in equipments with extended back up time only where batteries are fitted in or ready to be fitted in part inside the own UPS cabinet Fig 6 UPS front view with door opened 5 to 30 kVA LV 7 5 to 60 kVA HV models and III III setting 1 Equipments with separate static bypass line only B 2 Equipments with extended back up time or 30 kVA LV 60 kVA HV power rates only 3 Battery protection in equipments wi...

Page 13: ... equipments with extended back up time only where batteries are fitted in or ready to be fitted in part inside the own UPS cabinet Fig 9 UPS front view with door opened models from 5 to 30 kVA LV 7 5 to 60 kVA HV and III II setting N 1 Equipments with separate static bypass line only B 2 Equipments with extended back up time or 30 kVA LV 60 kVA HV power rates only 3 Battery protection in equipment...

Page 14: ...23 X12 BF X10 X8 X7 X6 X9 X34 X45 PT1 X51 X34ETH 1 Equipments with separate static bypass line only B Fig 10 UPS front view with door opened models 40 kVA LV 80 kVA HV and III III setting Fig 11 UPS front view with door opened models 50 and 60 kVA LV 100 and 120 kVA HV and III III setting without separate static Bypass line Internal protection fuses 40 kVA LV 80 kVA HV equipments only USER MANUAL ...

Page 15: ... X3 X4 X5 X14 X15 X16 X17 BF PR Q5 Q2 Q3 X11 X23 X12 t1 TB X10 X8 X7 X6 X9 X34 X45 PT1 X51 X34ETH SALICRU Fig 12 UPS front view with door opened models 50 and 60 kVA LV 100 and 120 kVA HV and III III setting with sepa rate static Bypass line B ...

Page 16: ...PR Fig 22 SL Q5 Q2 Q3 t1 TB X12 X10 X23 X11 X9 X8 X7 X6 X34 X45 PT1 X51 X34ETH Fig 13 UPS front view with door opened models 80 and 100 kVA LV 160 and 200 kVA HV and III III settings without separate static Bypass line USER MANUAL ...

Page 17: ...X17 PR Fig 22 SL Q5 Q2 Q3 t1 TB X12 X10 X23 X11 X9 X8 X7 X6 X34 X45 PT1 X51 X34ETH SALICRU 00 Top entry cables Optional Fig 14 UPS front view with door opened models 80 and 100 kVA LV 160 and 200 kVA HV and III III setting with sepa rate static Bypass line B ...

Page 18: ...18 RV CL PF PB RD Q8 X47 X49 X48 BF X5 PR X38ETH X10 Fig 15 Battery cabinet front view Nr 1 with door closed Fig 16 Battery cabinet front view Nr 1 with door opened USER MANUAL ...

Page 19: ...19 RV CL PF Q8 X47 X49 X48 X5 PR X38ETH X10 SALICRU Fig 17 Battery cabinet front view Nº 2 with door closed Fig 18 Battery cabinet front view Nº 2 with door opened ...

Page 20: ...20 CL RV PF CL Fig 19 Battery cabinet front view Nº 3 with door closed USER MANUAL ...

Page 21: ...21 F8 F8 N F8 Q8 X38ETH X48 X49 X47 X10 PR X5 SALICRU Fig 20 Battery cabinet front view Nº 3 with door opened Batteries group No 1 Batteries group No 2 ...

Page 22: ... models up to 20 kVA LV 40 kVA HV or switch in models with higher power rate and or B1 versions F3 Battery fuse holder switch with 3 fuses Up to 20 kVA LV 40 kVA HV models with extended back up time where the batteriesarefittedinorreadytobefittedinpartinsidetheown UPS cabinet Q4a Static bypass switch two or three poles depending on the mains typology B version only Q5 Manual bypass switch Protecti...

Page 23: ...9 Battery neutral terminal N of the battery cabinet central tap X50 External EPO terminals X51 Terminal strip of two terminals auxiliary contact of manual by pass switch To be connected to its external homologous Control panel PC keypad and optical indicators LCD LCD panel ENT Key ENTER ESC Key ESC Key move up Key move down Key move to right Key move to left a Rectifier input voltage correct green...

Page 24: ...2 147 Last three characters of the battery code type 1 AB Letters of the battery family 62 Quantity of batteries in one string 2x Quantity of battery strings in parallel Omitted for one 0 Battery cabinet without batteries but with the needed accessories to install them S Battery cabinet without batteries and without the needed accesso ries to install them Batteries not installed at factory but wit...

Page 25: ...used to filter the DC needed for the correct opera tion of PFC converter and inverter 4 3 3 Batteries SLC CUBE3 UPS series has a battery set that stores energy during the normal operating mode present mains and they are dis charged during the emergency operation mains fault keeping the critical loads running during the required time Batteries are sized to supply full power to the assigned critical...

Page 26: ...een them The bypass stage is based on six double thyristors in semipack format working as AC switches three of them are for shifting the input over the output and the other three are for shifting the inverter over the output The managing system of the SCR switches is based on drivers de signed with a shifting system that responds to the following re quirements Full static shifting system Shifting ...

Page 27: ...w consigning a battery discharging current even with mains present This quality performance will make possible to do a battery test both in full load and no load conditions Output three phase rectifier controller independent per phase it is easy adapted to different settings either single phase or three phase It is highlighted the use of the AFC control technique that al lows getting an output vol...

Page 28: ...nd 26 4 4 2 Mains fault operating In case of mains fault or blackout the battery set supplies the needed energy to feed the inverter The inverter still operates normally without noticing the lack of mains and the back up time depends in the capacity of the battery set only Fig 25 and 26 When the battery voltage reaches the low voltage the control blocks the output in order to protect the batteries...

Page 29: ...s Inp Out Fig 27 Single line diagram connection of parallel system up to 4 SLC CUBE3 equipments AC output U V W N AC entrada AC bypass R S T N R S T N COM connec tions Inp Out COM connec tions Inp Out COM connec tions Inp Out Fig 28 Single line diagram connection of parallel system up to 4 SLC CUBE3 B equipments ...

Page 30: ... a redundant system is that one has one or more UPSs than the minimum required by the total power of the system depending on the redundancy level being the load fair shared among them So the fault of any of them will cause that the damaged UPS will be out of the system and the rest will continue supplying the load with all the guarantees Once the damaged UPS is fixed it can be connected to the sys...

Page 31: ... Documentation CD wires and needed sup ports to fit the batteries in hardcopy circuit diagram and battery fuses equipments up to 20 kVA LV 40 kVA HV only Battery cabinet Fuses and cable connection bundle of 3 5 m length and suitable cross section If the UPS belongs to a parallel system A communication BUS bundle per equipment Once the reception is finished it is advisable to pack the UPS again til...

Page 32: ...tted in and the one of the UPS with batteries in a separate cabinet or extended back up time D B A A UPS cabinet with batteries D B A A A UPS cabinet UPS battery cabinet D B A A A UPS battery cabinet nr 1 UPS battery cabinet nr 2 A UPS cabinet Fig 30 Minimum peripheral dimension lines for UPS cooling For cooling the unit at least leave the free space stated in the table of document EK266 08 Safety...

Page 33: ...has been removed previously 5 1 4 4 Preliminary considerations before connecting The description of this manual refers to the connection of terminals and switching manoeuvring that are only available in some versions or equipments with extended back up time Ignore those opera tions regarding them if the unit does not have them Follow and respect the instructions described in this section re ferred...

Page 34: ...the power factor and the own efficiency of the equipment If other peripheral elements are added to the UPS or parallel system input output or bypass like transformers or autotransformers take into account the currents stated in the own nameplates of those elements in order to use the suitable cross sections always re specting the Local and or National Low Voltage Electrotechnical Regulations When ...

Page 35: ...itch but over the switch labelled as Q8 Nevertheless inside there are three protection fuses not switchable and labelled in the figures as F8 Regardingthefuses theyaresuppliedinaplasticbagtogetherwiththe equipment documentation and or inside the battery cabinet less for thebatterycabinetsformodelshigherthan60kVA LV 120kVA HV which are joined to the cabinet mechanically The original type of the bat...

Page 36: ... repeat the connec tions that go from panel board to each equipment Connection to three phase mains Connect the power supply cables R S T N to the input terminals X1 X2 X3 and X4 respecting the phase rotation and neutral indicated on the label of the equipment and in this manual If the phase rotation is not respected the equipment will not operate In case of discrepancies between the labelling and...

Page 37: ...ated on the label of the equipment and in this manual If the phase rotation is not respected the equipment will not operate In case of discrepancies between the labelling and the instruc tions of this manual the label will always prevail Connection to single phase output Connect the loads to U N output terminals X6 and X9 re specting the order of phase and neutral indicated on the label of the equ...

Page 38: ...he colour of the cables red for posi tive black for negative blue for middle tap N and green yellow for earth bonding see Fig 35 Repeat the same procedure with the other UPS This set can be extended in back up time and be based on sev eral units connected in parallel among them and the own UPSs Electrical discharge danger IfafterstartinguptheUPS it is required to disconnect the battery cabinet the...

Page 39: ...very low voltage circuit of safety and it must be installed separate from other lines that have dangerous voltages power distribution line 5 2 7 1 RS232 RS485 COM 0 ports Connector X31 In the same DB9 connector there are supplied both communication ports of the equipment the RS232 RS485 Both ports cannot be used at the same time because they are mutually exclusive Both channels are used for connec...

Page 40: ...tch or button EPO in a single equipment the cable bridge that closes the circuit has to be removed from terminal strip X50 first For a parallel system two different solutions can be applied which are the following Connect the button EPO in only one equipment of the par allel system Remove the cable bridge from terminals X50 in the equipment that it is only connected In case of fault and removing o...

Page 41: ...re will be done through the measure ment of the temperature by means of a probe located inside the cabinet itself when batteries and equipment are fitted in the same enclosure For those cases that batteries are supplied in a separate cabinet out from the own UPS models 20 kVA LV 40 kVA HV or B1 equipments there will be a terminal strip of two pins X34 that allows bringing the probe located at the ...

Page 42: ... X36i In the same way all the bundles supplied with the equipments are equal in connections and length DO NOT MODIFY THE COMMUNICATION BUS BUNDLE OR THE CONNECTORS UNDER ANY CONCEPT Take one of the bundles and insert the HDB15 female connector located in one of its ends into the male connector labelled as Output X36o in any of the equipments of the system and insert the HDB15 male connector locate...

Page 43: ...t For more information about the alphanumerical screen consult section 7 and for touch screen consult the at tached document EL064 01 in the CD ROM During the description of this section it is detailed the procedure to follow to get the different functionality considering a system of n equipments connected in parallel If in your case it is available only one UPS from SLC CUBE3 series proceed in th...

Page 44: ...p the input frequency will be sensed and set to 50 or 60 Hz accordingly This setting is not recommended if the unit is supplied by a generator set Once the operating frequency is selected the following mes sage will be displayed CONFIG COMPLETED ENT YES ESC NO Press the ENT key to validate the values the acoustic alarm will be stopped Press ESC to go back to the start of the installation menu to s...

Page 45: ...ng on the status of the equipment The same happnes with the screens1 6 and 1 8 Depen ding on the Smart Eco mode status they are swapped SMART ECO MODE ENT TO ACTIVE ENT TO CONFIRM ESC TO CANCEL SMART ECO MODE ESC TO DEACTIVE ENT TO CONFIRM ESC TO CANCEL screen 1 6 screen 1 7 screen 1 8 screen 1 9 ENT ENT ESC ESC ENT ENT ESC ESC ESC Fig 39 Diagram start up shutdown procedure If the following alarm ...

Page 46: ...practise as voltage Master In systems with more than three equipments in parallel the hierarchy of reserved voltage Slave will be taken by the one with the highest address among the voltage Slave Turn On the output switch or switches of the panel board de pending if it is single equipment or parallel system Turn the output switch Q2 of the UPS or each UPS On The equipment or parallel system suppli...

Page 47: ...e equipment and the switch of the protection panel Off Swap two phases of the UPS input terminal strip and leave the rest one in the same order and repeat the start up procedure already described If this situation happens in all the equipments of the parallel system turn the input switch of each UPS Q1a and the input switches of the protection panel Off Swap two phases of the input protection pane...

Page 48: ...oltage or Parallel Master Voltage Reserve Initially it corresponds to the equipment with the highest address ex cluding the one with the Master Voltage function In case of Master failure it will take its functions Parallel Slave Voltage Voltage Slave of the parallel system systems with more than two equipments only Equipment on normal mode operating inverter running that the output switch Q2 has b...

Page 49: ...of the own solid state static by pass switch and the one of the Slave equipments The equipments are not sharing the load in the inverters The cause can be any of the following Output switches Q2 to position Off Equipment output on bypass Inverters are shutdown or in start up process Voltage Master and Slave message In equipments with alphanumerical display Mst Volt Slv Volt Slv Vt Rsv In equipment...

Page 50: ...e input power supply of the switchgear panel The system will be completely deactivated Electrical discharge hazard In case the battery cabinets or racks are required to be disconnect from UPS wait several minutes 5 min approx till the electrolytic capacitors have been discharged 6 6 EMERGENCY POWER OFF EPO BUTTON OPERATION Emergency Power Off EPO is equivalent to a complete shutdown UPS converter ...

Page 51: ...ents with touch screen control panel Touch over the Status and control icon Status Control Touch overthe Start StopUPS icon Start Stop UPS The following Pop up message will be displayed It asks to the end user if it he is sure about his selection Are you sure YES NO Confirm the action by touching over YES In parallel systems is necessary to act over one of them only Consider that the UPS or system...

Page 52: ... start up shutdown op eration of an equipment or parallel joint will be done by means of the keypad of the control panel PC In parallel systems will be needed to act over one of them only Consider that the UPS or system will still be supplying output voltage it does not matter the status of the own inverter or inverters Shutdown from static bypass Started up from inverter On line mode Started up f...

Page 53: ...e mode Started up loads are supplied from static bypass Smart ECO Mode After 30 seconds the inverter and rectifier of the UPS or each UPS will start up and the output will supply the inverter s voltage For equipments with external battery cabinets turn the fuse holder switch of the battery cabinet s Q8 of each UPS to On DO NOT TRY to make this manoeuvring at any other moment and or in any other wa...

Page 54: ...he LCD panel being able to move from one to another with themselves Key ENT has different purposes depending on the menu we are Setting values Press key ENT to activate the setting function the figures in the screen blink With keys the character to set is selected and with keys the value is selected To confirm press ENT Next field will blink to continue doing settings proceed in the same way or pr...

Page 55: ...he output switch in the output panel board has to be connected according to the instructions of section 5 2 9 2 Screen0 1 UPSStatus UPS 1st row andconfiguration CFG 2nd row In the first row there are two fields first one shows the general state of the converters and second one shows the origin of the voltage at the output These two fields are separated by a Possible states of the converters Shutdo...

Page 56: ...s screen 1 0 screen 1 1 screen 1 2 screen 1 3 screen 1 4 screen 1 5 ENT ENT ESC Screens 1 1 and 1 3 changes in the diagram depending on the status of the equipment The same happens with the screens 1 6 and 1 8 Depen ding on the Smart Eco mode status are exchanged SMART ECO MODE ENT TO ACTIVE ENT TO CONFIRM ESC TO CANCEL SMART ECO MODE ESC TO DEACTIVE ENT TO CONFIRM ESC TO CANCEL screen 1 6 screen ...

Page 57: ... POW L3 9 4KVA INPUT ACTIVE POWER L3 9 4KW OUTPUT APPARENT POW L1 9 4KVA OUTPUT ACTIVE POWER L1 8 2KW OUTPUT TOTAL POWER 27 1KVA 25 1KW TOTAL LOAD IN 53 8 OUT 52 3 ESTIMAT BACKUP TIME 16 minutes screen 2 0 screen 2 1 screen 2 4 screen 2 7 screen 2 10 screen 2 13 screen 2 16 screen 2 19 screen 2 22 screen 2 25 screen 2 28 screen 2 31 screen 2 2 screen 2 5 screen 2 8 screen 2 11 screen 2 14 screen 2...

Page 58: ...2 11 positive and negative battery charging currents units 0 1 A Screen 2 12 positive and negative battery discharging cur rents units 0 1 A Screen 2 13 input apparent power of L1 units 0 1 kVA Screen 2 14 input apparent power of L2 units 0 1 kVA Screen 2 15 input apparent power of L3 units 0 1 kVA Screen 2 16 input active power of L1 units 0 1 kW Screen 2 17 input active power of L2 units 0 1 kW ...

Page 59: ...llows setting the frequency of the automatic battery test Options DISABLED The automatic battery test is disabled WEEKLY The automatic battery test runs once per week MONTHLY The automatic battery test runs once per month YEARLY The automatic battery test runs once per year Screen 3 16 Weekday when the battery test is done Options MON For Monday TUE For Tuesday WED For Wednesday THU For Thursday F...

Page 60: ...s out of range 5 Hz by default b PFC rectifier is on limiting power mode so the additional en ergy that the Inverter needs it means the load connected at the output of the equipment is supplied by the batteries battery discharging current is displayed Screen 4 8 When the inverter or PFC temperature probes measure temperatures over the set values Screen 4 9 This message is displayed when the batter...

Page 61: ...IER STOP 4 27 PARALLEL SIST RECTIFIER STOP 4 28 CONT TEST FAIL RECTIFIER STOP 4 29 Representation in display LCD Alarms Ref INVERTER DESATS INVERTER STOP INVERTER STOPS 4 30 INVERTER OVERLOAD INVERTER STOP 4 31 SHUTDOWN COMMAND INVERTER STOP 4 32 MAINTENANCE BYP INVERTER STOP 4 33 PARAL SYS DISC INVERTER STOP 4 34 HIGH OVERLOAD INVERTER STOP 4 35 OVERTEMPERATURE INVERTER STOP 4 36 RECTIFIER OVERLO...

Page 62: ...st of Redundancy there will also be as minimum among others the alarm 4 2 of Inverter over load in all the equipments of the system Screen 4 23 This alarm is displayed when in any phase the rectifier input voltage phase to neutral is out of the set range 15 20 by default or the rectifier input frequency is out of the set range 5 Hz by default Next the rectifier is shutdown Screen 4 24 This alarm i...

Page 63: ...displayed when a combined shut down of the PFC rectifier and inverter has been done at the same time due to different reasons Screen 4 47 In parallel system the equipments of the system connected at the output can be shutdown complete shutdown of the rectifier and inverter due to the management of system as a whole therefore this alarm is displayed Screen 4 48 The EPO Emergency Power Off button is...

Page 64: ...ier is overloaded depending on the level of this overload the inverter will be shut down ac cording to the rectifier overload curve alarm 4 37 If this over load is still present with the inverter turned off the UPS will be completely blocked rectifier also shutdown after 30 and this alarm will be displayed Screen 4 73 When the quantity of desaturations of an inverter IGBT reaches its limit the inv...

Page 65: ...m dd day of cleared alarm mm month of cleared alarm aa year of cleared alarm Screen 5 5 This is a screen for technical service only in order to know the state of the different parts of the UPS at the mo ment the registered alarm was triggered RATED VALUES I Voltage 230V O Voltage 230V Byp Min Marg 17 Byp Max Marg 12 I V Min Marg 22 I V Max Marg 15 DC Bus Volt 425V Out Curre 86 9A B Voltage 230V In...

Page 66: ...of fire and or explosion exists if a wrong quantity or type of batteries is used Do not dispose the batteries to the fire they can explode Do not open and mutilate the batteries the dumped electrolyte is dangerous for the skin and eyes It can be toxic 8 1 3 Fans The useful lifetime of the used fans to cool the power circuits de pends on the use and environment conditions It is recommended their pr...

Page 67: ...Hz Free running 0 05 Maximum slew rate From 1 to 10 Hz s programmable Output wave shape Sinewave Total output voltage harmonic distortion Linear load THD v 0 5 Ref non linear load EN 62040 3 THD v 1 5 Phase shifting 120 1º balanced load 120 2º unbalanced load of 100 Dynamic response time 10 ms till 98 of the static value 7 Permissible overload 125 for 10 min 125 135 for 5 min 135 150 for 1 min 150...

Page 68: ...NO NO NO Cabinet weight kg CUBE3 B1 97 99 102 147 172 CUBE3 B B1 99 101 105 150 175 CUBE3 207 209 235 319 417 185 265 290 290 540 550 CUBE3 B 209 211 237 322 420 190 275 310 310 570 580 External batteries 424 501 594 1096 Table 8 Technical specifications for equipments with LV voltages 9 2 TECHNICAL SPECIFICATIONS EQUIPMENTS HV Nominal power kVA 7 5 10 15 20 30 40 50 60 80 100 120 160 200 Nominal ...

Page 69: ...60 Hz Frequency range 5 Hz selectable among 0 5 1 0 2 and 5 0 Hz Frequency hysteresis 1 Hz as regards the frequency range selectable among 0 2 0 5 1 0 and 2 0 Hz Activation criteria Controlled by microprocessor Transference time Nil less in Smart ECO Mode 4 ms Permissible overload 400 for 10 s Transference to bypass Immediate for overloads higher than 150 Re transference Automatic after alarm canc...

Page 70: ...ferent potential Unlike the alter nating current in direct current the electrical loads always flow in the same direction from the highest potential point to the lowest one Although usually the direct current is identified with the con stant current for example the one supplied by the battery it is continuous any current that always maintain the polarity DSP It is the acronym of Digital Signal Pro...

Page 71: ...s Electrical enclosure Part of the equipment destined to limit the access to those parts that could have HAZARDOUS VOLT AGES or DANGEROUS ENERGY LEVELS or to be in TNV circuits Accessibility OPERATOR ACCESS AREA Part of the equipment that in normal operating conditions ap plies one of the following conditions There is access to this part without any tool The access mean is allowed to the operator ...

Page 72: ...Serra 100 08460 Palautordera BARCELONA Tel 34 93 848 24 00 Fax 34 93 848 22 05 services salicru com SALICRU COM www linkedin com company salicru salicru_SA Product Range Uninterruptible Power Supplies UPS Lighting Flow Dimmer Stabilisers DC Power Systems Static Inverters Photovoltaic Inverters Voltage stabilisers REF EN014D01 REV D CODE 401 ...

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