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IG-322-EN version 03; 22/07/2022

General instructions

-insulated circuit-breaker panel:

Type

gae

.630 -1LSV(G)-/5/

in modular extensible design up to 24 kV, 20 kA

Transport and installation

3.5. Installation and assembly

To install the circuit-breaker panel, use the installation plan

shown in Chapter 3.6.1. In order to assure secure standing

of the circuit-breaker panel use all fastening bores provided.

The depths of the individual panel types in the

gae

family

vary.

In order to ensure all possible block/ panel combinations

can be installed, the foundation projection must be drawn

at a distance of 135 mm from the wall!

On the variant with pressure absorber channel the minimum

distance is 100 mm.

If it is certain that during a system extension no:
•

gae

.630 -1LSFxx- panels

•

gae

measuring panels with metal cooling stretch are

installed, the distance from the wall can be reduced

to 100 mm.

To ease the assembly of the modular switchgear

gae

.630,

we recommend the following distances from side walls on

installation from left to right:

• Distance from left wall at least 100 mm
• Right wall distance at least 300 mm.

When installing from right to left the lateral wall distances

are reversed.

The area for the floor opening must not be reduced in

size, so that, in case of an arc incident, the hot gases

can be safely discharged.

A straight and level floor surface is a prerequisite for the

stress-free installation. Pay attention to the information

in DIN 43661. In particular the tolerance on the evenness

(maximum 1 mm over a measured length of 1 m) and

the tolerance on the straightness (maximum 1 mm per

metre and maximum 2 mm over the entire length of the

foundation rail) are to be observed.

To ease the assembly work on the installation of

several

gae

panels, we recommend the usage of a

metal chassis.

The fastening material is not part of the delivery.

To fastening the switch panel to a raised floor, we

recommend the following fastening material:

• Hexagon screw M10 (minimum M8, strength class 5.6)

DIN EN ISO 4017

• Washers DIN EN ISO 7093 (switch panel side)
• Washers DIN EN ISO 7089/7090 (raised floor side) or

tapered washers for fastening to U-sections

• Spring lock ring DIN 127 / DIN 128
• Hexagon nut M10 DIN EN ISO 4032

In the case of installation on concrete with a strength of

B ≥ 25 N/mm², we recommend the following fastening

material:

•  Fischer plastic dowels of type S12
•  Wood screw DIN 571-10x80-St
•  Washer DIN 125 A10

To make the fastening bores accessible for installation,

remove the front cover (see Chapter 5) and if applicable the

cable fixing irons of cable connection compartment.

Содержание ORMAZABAL gae.630

Страница 1: ...LIB SF6 insulated circuit breaker panel Type gae 630 1LSV G 5 in modular extensible design up to 24 kV 20 kA General instructions IG 322 EN version 03 22 07 2022 ...

Страница 2: ...lectrical installations Personnel must be fully familiar with the instructions and warnings contained in this manual and in other recommendations of a more general nature which are applicable to the situation according to current legislation 1 The above must be carefully observed as the correct and safe operation of this equipment depends not only on its design but also on general circumstances wh...

Страница 3: ...switching readiness 27 4 5 Density monitor optional 28 4 5 1 Checking the switching readiness 28 4 6 Vacuum circuit breaker 29 4 7 Three position switch 31 4 8 Three position switch drive 32 4 9 Switch panel interlocks 32 4 10 Current transformer 33 4 11 Voltage transformer 34 4 11 1 Voltage transformer connected to the bus bar 34 4 11 2 Voltage transformer connected to the outgoing 34 4 12 Capaci...

Страница 4: ...1 General data 58 8 2 Circuit breaker panel gae 630 1LSV G ratings 58 8 3 Switchgear ratings 59 8 4 Processing time guide values 59 8 5 Release and blocking magnet 59 8 6 Motor winder 60 8 7 Tightening torques 60 8 8 Materials 60 8 9 Auxiliary and operating materials for circuit breakers 60 8 10 Test voltages for cable test 61 8 11 Regulations and standards 61 8 11 1 Test specifications 61 ...

Страница 5: ...3 Control panel cover fastening screws 14 Rating plate 15 Interlock operating lever disconnector circuit breaker 16 Actuating shaft disconnector 17 Switch position indicator disconnector 18 Switch position indicator earthing switch 19 Actuating shaft earthing switch 20 Front cover 21 Front cover fastener 22 Capacitive voltage detection system voltage indication ledge 23 Gas leakage indicator 24 Li...

Страница 6: ...SF6 insulated circuit breaker panel Type gae 630 1LSV G 5 in modular extensible design up to 24 kV 20 kA 1 Top panel screw connection guide pin 2 Bushing with contact springs 3 Contact bolt 4 Double seal 5 Bottom panel screw connection guide pin Figure 1 2 ...

Страница 7: ...SF6 insulated circuit breaker panel Type gae 630 1LSV G 5 in modular extensible design up to 24 kV 20 kA 1 Sealing plug 2 Sealing end side bushing 3 Clamping sheet 4 Busbar bushing inside taper 5 Contact springs 6 Single seal 7 Cover 8 Screw plug Figure 1 3 ...

Страница 8: ...m operating errors failure to observe these operating instructions or incorrect repairs Genuine spare parts from Ormazabal have been specially designed and tested for Ormazabal circuit breaker panels It is highly recommended to purchase spare parts and accessories only from Ormazabal We would like to make explicitly clear that any spare parts and accessories not supplied by us require the approval...

Страница 9: ...nd repaired by authorised personnel who have been instructed or trained accordingly These operating instructions must be read carefully and strictly observed before installing and commissioning the circuit breaker panel Every person involved in the installation commissioning operation maintenance and repair of the unit must have read and understood these operating instructions especially the chapt...

Страница 10: ...bout risk of electric voltage This special health and safety symbol warns against dangers due the risk of electric voltage Cautionary instruction In these operating instructions this note appears at all points which must be especially observed in order to comply with guidelines instructions and the correct work sequence thereby avoiding damage and destruction of the circuit breaker panel 2 3 Gener...

Страница 11: ...tions DGUV Prescription 3 previously BGV A3 directives and the generally accepted technical rules and regulations e g VDE regulations IEC standards DIN standards 2 3 2 Safety features Safety features must not be altered dismantled or rendered ineffective Unprotected parts of the system can cause fatal injuries All safety installations e g shrouds must always be fully functional and correctly in pl...

Страница 12: ...ds over persons During transport comply with the warning and safety instructions on the circuit breaker panel and its packaging When unloading observe the safety instructions see Chap 3 1 and the applicable accident prevention regulations 3 2 Transport and unloading The circuit breaker panel is delivered packed upright on a pallet It is fastened to the pallet with tightening straps Figure 3 1 For ...

Страница 13: ...the circuit breaker panel in unsecured condition the unit may tip over Particular attention is to be paid to this issue when transporting the circuit breaker panel to its place of installation It not allowed to use levers to transport the circuit breaker panel to its final position This action could cause damage to the enclosure Eyebolts are fitted to both sides of the gae 630 1LSV panel which hol...

Страница 14: ...ed that they are tightly seated and in the correct position Check the circuit breaker panel delivery for correctness and completeness The serial numbers on the delivery note and on the rating plate on the circuit breaker panel Figure 3 3 must match 1 Serial number 2 Technical data 3 Standards applied 4 Document number 5 Type of unit 6 Manufacturing date month year Figure 3 3 Rating plate example 3...

Страница 15: ...area for the floor opening must not be reduced in size so that in case of an arc incident the hot gases can be safely discharged A straight and level floor surface is a prerequisite for the stress free installation Pay attention to the information in DIN 43661 In particular the tolerance on the evenness maximum 1 mm over a measured length of 1 m and the tolerance on the straightness maximum 1 mm p...

Страница 16: ...the rear pressure absorber channel into the switchgear room Fastening bores Ø 12 Floor contact area Floor opening Only gae 630 1LSV 5 with deeper front cover for double cable connection optional Figure 3 4 Dimensions in mm Figure 3 5 shows the floor mounting and the floor breakthrough dimensions for the circuit breaker panel with deep cable compartment cover On the left the pressure relief into th...

Страница 17: ...6 the floor mounting and the floor breakthrough dimensions for the circuit breaker panel with VTs on the cable compartment On the left the pressure relief into the cable pit on the right with the rear pressure absorber channel into the switchgear room Fastening bores Ø 12 Floor contact area Floor opening Outgoing cable Ø 70 Earthing standard Ø 30 Earthing bus bar Ø 70 Figure 3 6 Dimensions in mm ...

Страница 18: ...dimensions of the circuit breaker panel gae 630 1LSV are shown in Figure 3 7 Additional panel equipment transformers relays etc is fittedtocustomer specificrequirements Theirhandlingand main attributes can be found in the following customer specific plans and additional documents Installation plans Overview plans Equipment list Equipment plans Control plans Telecommunication plans Connection plans...

Страница 19: ...arrangement 400 x 600 mm from 4 panels 1 second metal cooling stretch arrangement of the same size The metal cooling stretch arrangement provided by the customer must be arranged in a way that the cable trench is evenly divided Please ask for our assistance in the planning and installation of the station The construction of the building and the switchgear room must withstand the expected mechanica...

Страница 20: ...ngs which provide a cable bushing protected against dust and moisture For adaptation to the cable diameter use the separating lines on the plugs The supply line from a neighbouring panel on the left or right loop cable is laid through openings in the related side wall on the relay cabinet Figure 3 9 If the relay cabinet on the neighbouring panel is fitted offset the cable can be laid through the o...

Страница 21: ...riants with bottom plates Insert the power cables with the rubber cable grommets into the cut outs in the rear bottom plate Connect power cables to the panel Fix power cables to the cable fixing iron using the cable clamps so they are free of strain Connect the earthing cables to the earthing terminals of the cable fixing iron If the circuit breaker panel is fitted with window type currenttransfor...

Страница 22: ...gure 3 14 Figure 3 15 shows the connection diagram standard version for the auxiliary switches For additional relevant information on the wiring of the circuit breaker panel please refer to the enclosed circuit documentation If additional auxiliary circuits are to be laid from the cable connection compartment or the drive compartment proceed as follows Remove the control panel cover Do this by rem...

Страница 23: ...losure earthing rail and enclosure are bolted with contact washers This makes sure that in case of a ground leak or a double ground leak the fault currents are safely discharged to the earth connection The earthing rail is equipped with a screw connection M12 for the connection of an earthing line to establish earthing of the unit Figure 3 16 The earthing points on the cable fixing iron are occupi...

Страница 24: ...s the gas tank with vacuum circuit breaker the three position switch disconnector and earthing switch the bus bars and cable connection compartment During production a functional module comprising a vacuum circuit breaker three position switch switch drive mechanism and interlocking of circuit breaker and disconnector is assembled as a pre tested unit on the front wall of the tank and is subsequen...

Страница 25: ...d by means of contact bolts which are inserted with double seals into the lateral bushings The panels to be attached are laterally connected at two panel screw connection points During the installation of the circuit breaker panel as an end panel the side bushings must be secured with sealing ends to maintain the dielectric strength of the switchgear Figure 4 2 The screw plug is to be fitted in th...

Страница 26: ...cted to resin bushings with outer taper type C in accordance with DIN 47636 Parts 1 and 3 The bushings are checked for compliance with the maximum permissible partial discharge values Bushings sealing flange for actuating shaft and bursting plate are sealed towards the tank by means of sealing rings The three position switch s actuating shaft is fitted to the tank with twin paired radial shaft sea...

Страница 27: ...C 12258533 11 15 Indicator completely within the green range Ready for switching Case 2 0 6 bar 2 5 C 0 C 2 0 C 40 C 12258533 11 16 Indicator within the range of the temperature compensation curve Measure the temperature T of the switchgear room and read as follows Case 2A Intersection of indicator and temperature ring within the green range below the temperature compensation curve e g for T 10 C ...

Страница 28: ... The density monitor scale is divided into the two areas RED and GREEN If the gas filling pressure drops to the defined value the densitymonitorcanautomaticallyswitchofftheswitchgear A RED switchgear NOT ready for switching Contact customer service B GREEN switchgear ready for switching SP Switching point Automatic switch off optional Figure 4 4 4 5 1 Checking the switching readiness Danger to lif...

Страница 29: ...ambers via a system of levers and a gas tight stainless steel bellow The stored energy spring mechanism is tensioned by using a crank handle or winding motor The circuit breaker can be tripped manually by means of a pushbutton or electrically by means of an actuator When switched ON the closing spring relaxes and closes the contacts in the vacuum chamber via a series of levers The opening spring i...

Страница 30: ... 1 1 2 M2 YD1 YD2 YD 4 1 M6 M7 2 1 Y61 Y62 Y6 1 4 M4 1 1 4 M4 2 X1 1 X1 2 3 24 6 17 9 20 4 5 25 7 8 19 10 12 13 23 21 11 22 18 RF 4 1 2 M3 2 15 16 14 OPEN CLOSED DISCONNECTOR AUXILIARY CONTACTS CIRCUIT BREAKER AUX CONTACTS 19 20 52 X1 26 X1 27 29 28 21 22 31 30 27 28 33 32 29 30 35 34 31 32 37 36 33 34 39 38 35 36 41 40 43 44 43 42 45 46 44 45 1 2 46 47 3 4 48 49 5 6 50 51 7 8 52 53 9 10 54 55 13 ...

Страница 31: ... and connected to the earthing contacts of the switching shaft by a coupling rod The fixed device contacts are connected to the circuit breaker by means of copper conductors The pair of switching blades for each phase slide to the corresponding contact depending upon the switch position In order to guarantee a long service life for the switching elements the blades and contact elements are made of...

Страница 32: ...the switching lever is inserted into the actuating shafts Function and layout of the actuating shafts can be seen in the mimic diagram The rotary movement of the actuating shafts is transferred to the switching shaft via toggle links and the operating lever The switch position indicator is controlled by the operating lever All parts of the drive susceptible to corrosion are galvanised 4 9 Switch p...

Страница 33: ...i reverse interlock Figure 4 8 is available upon request This prevents the disconnector from being switched ON when the front cover has been removed The anti reverse interlock is switched ON or OFF by the fastener key When the fastener is open the plug in opening for the switching lever on the disconnector switching shaft is closed off by a plate With the front panel removed the earthing switch ca...

Страница 34: ... in acc with IEC 60044 2 and VDE 0414 Part 2 are optionally flanged on directly above the gas tank The voltage transformers are optionally equipped with a calibrated or verified measurement core Figure 4 10 4 11 2 Voltage transformer connected to the outgoing Plug in metal enclosed single pole voltage transformer in acc with IEC 60044 2 and VDE 0414 Part 2 are optionally flanged on directly the ca...

Страница 35: ...ired phase and earthing socket The phase comparison test shall be performed according to the manufacturer s indications A captive shroud protects the measuring sockets against dirt and moisture Details can be found in the operating instructions of the capacitive voltage detecting system used Danger to life due to electric current The function of the capacitive voltage detecting system must be chec...

Страница 36: ...isconnector and earthing switch only in conjunction with 1 lever drive 3 Key for front cover fastener controls the anti reverse interlock 4 Handcrankforcircuit breakerdrive sspringaccumulator The switching levers used to switch the circuit breaker panel are fitted with a non positive lock which prevents damage to the drive When trying to continue a switching operation in a switch position ON OFF b...

Страница 37: ...that also the adjacent padlocking facility can be opened To ensure that switching actions are always fully carried out gates are fitted to the switch actuators These ensure that the switching lever can only be removed in the relevant end limit position In the description of the switching operations in chapters 5 3 and 5 4 the padlocking facilities are not shown for the purpose of a clearer represe...

Страница 38: ...6 insulated circuit breaker panel Type gae 630 1LSV G 5 in modular extensible design up to 24 kV 20 kA Disconnector switched OFF and locked by the switching interlock Earthing switch activated Figure 5 4 Circuit breaker switched OFF spring accumulator relaxed Figure 5 5 ...

Страница 39: ...the pin of the front cover interlock see Figure 5 7 and Chapter 4 9 Switch panel interlocks has been pulled out of the front cover Remove the front cover Open the fastener Turn the fastener anti clockwise to the end stop using the fastener key Raise the front cover up to the stop Figure 5 6 1 Pull the front cover off to the front Figure 5 6 2 32572052 1 2 Figure 5 6 Front cover 37250324 1 1 Lockin...

Страница 40: ... chapter 6 5 All phases L1 L2 L3 must always be checked Prior to the switching the front cover must be inserted Check the switching readiness see warning message Before switching the circuit breaker switch the fastener must be closed with the fastener key Figure 5 8 Thedisconnectorandearthingswitcharemechanically locked with each other If the earthing switch is switched ON the plug in opening on t...

Страница 41: ... jumps to TENSIONED Figure 3 12 The spring accumulator is automatically pre tensioned by the motor when the supply voltage is present On the failure of the supply voltage the spring accumulator can be tensioned manually using the crank The hand crank coupling is designed such that if the motor power supply becomes available again the tensioning crank is de coupled The energy from the tensioned clo...

Страница 42: ...tivated disconnector and activated earthing switch Figure 5 11 circuit breaker switched OFF and relaxed spring accumulator Figure 5 12 Check that the switch panel is electrically isolated means of the capacitive voltage detection system see Chapter 6 5 Figure 5 11 Figure 5 12 2 Tension the spring accumulator until the spring accumulator indicator jumps to TERNSIONED see Chapter 5 4 2 If a motor dr...

Страница 43: ...ration 3 Switch off the earthing switch Hold the switching lever red shaft depressed to the end stop against spring pressure and turn it anti clockwise Figure 5 13 Figure 5 13 4 Switch position with deactivated disconnector and deactivated earthing switch Figure 5 14 circuit breaker switched OFF and tensioned spring accumulator Figure 5 15 Figure 5 14 Figure 5 15 ...

Страница 44: ...op right position Figure 5 16 see also Chapter 4 9 Switch panel interlocks 37250329 Leistungsschalter schaltbereit Operation of circuit breaker Trennschalter und Erder schaltbereit Operation of disconnector and earthing switch Verriegelung nur umstellbar wenn Leistungsschalter in 0 Stellung Interlocking only to be if circuit breaker in 0 position Verriegelung Interlocking Figure 5 16 6 Switch the ...

Страница 45: ...ircuit breaker and the disconnector or earthing switch respectively Do this by moving the operating lever from the top right to the bottom left position Figure 5 19 see also 4 9 Switch panel interlocks 37250332 Leistungsschalter schaltbereit Operation of circuit breaker Trennschalter und Erder schaltbereit Operation of disconnector and earthing switch Verriegelung nur umstellbar wenn Leistungsscha...

Страница 46: ...uit breaker ON To do this press the pushbutton ON on the circuit breaker control panel Figure 5 20 The spring accumulator indicator jumps to RELAXED Use the capacitive voltage detection system to check whether voltage is indicated for phases L1 L2 and L3 see Chapter 6 5 Figure 5 20 10 Switch position with circuit breaker switched ON and relaxed spring accumulator Figure 5 21 Figure 5 21 ...

Страница 47: ... circuit breaker panel OFF To switch the circuit breaker panel OFF proceed as follows Use the capacitive voltage detection system to check whether voltage is indicated for phases L1 L2 and L3 see Chapter 6 5 1 Switch position with activated disconnector and deactivated earthing switch Figure 5 22 circuit breaker switched ON and relaxed spring accumulator Figure 5 23 Figure 5 22 Figure 5 23 ...

Страница 48: ...ee Chapter 6 5 Figure 5 24 3 Deactivate the interlock between the circuit breaker and the disconnector or earthing switch respectively Do this by moving the operating lever from the bottom left to the top right position Figure 5 25 see also Chapter 4 9 Panel Interlocks 37250329 Leistungsschalter schaltbereit Operation of circuit breaker Trennschalter und Erder schaltbereit Operation of disconnecto...

Страница 49: ...ular extensible design up to 24 kV 20 kA Operation 4 Switch the disconnector OFF Hold the switching lever bare shaft depressed to the end stop against spring pressure and turn it anti clockwise Figure 5 26 Figure 5 26 5 Switch position with deactivated disconnector and deactivated earthing switch Figure 5 27 Figure 5 27 ...

Страница 50: ...o 24 kV 20 kA 6 Switch on earthing switch Hold the switching lever red shaft depressed to the end stop against spring pressure and turn it clockwise Figure 5 28 Figure 5 28 7 Switch position with deactivated disconnector and activated earthing switch Figure 5 29 circuit breaker switched OFF and relaxed spring accumulator Figure 5 30 Figure 5 29 Figure 5 30 ...

Страница 51: ...that the bottom screw connection point is closed off with the screw plug When doing so observe the assembly instructions Panel screw connection for extensible gae 630 panels document Nr MO 153 In case of an installed under voltage release auxiliary voltage is required for test operations After complete assembly of the switchgear perform a power frequency voltage withstand test according to IEC 622...

Страница 52: ... do this switch the drive as described in Chapter 6 2 and check the mechanical and electrical switch position indication SWITCHING ON Prerequisite for switching the circuit breaker ON is that the mechanical interlocks and the solenoid operated locks are not activated Press the ON pushbutton or activate the remote release s control device switch ON via the making trip until such time as the circuit...

Страница 53: ...e must be a corresponding display on the capacitive voltage testing system Details can be found in the operating instructions of the capacitive voltage testing system used Switch off circuit breaker OFF O Switch off disconnector OFF O Safely disconnect and earth the second cable end The display of the capacitive voltage testing system must go out Details can be found in the operating instructions ...

Страница 54: ... Measures to preserve the nominal state ensuring trouble free function Repair Measures to restore the nominal state The circuit breaker panel is low maintenance The gas tank is welded gas tight and all components inside are maintenance free The SF6 gas is resistant to ageing and is not consumed during the switching operations Under normal conditions the gas charge does not need to be replaced duri...

Страница 55: ...ggressive air inspection may be required at significantly shorter intervals Inspection includes Check the gas filling pressure see chapter 4 4 and chapter 4 5 Check switchgear and switching devices for anything unusual soiling and the result of environmental effects Perform several no load switching operations this instruction applies particularly to circuit breakers that are switched infrequently...

Страница 56: ...Open the fasteners and remove the front covers if required Carefully clean off all dirt especially from the surfaces of insulating materials Clean off strongly adhesive e g greasy dirt with a lint free cloth soaked in a commercial detergent then wipe off with clear water and dry Do not use any aggressive solvents 7 2 4 Scope of maintenance on the vacuum circuit breaker s mechanical drive groups Sh...

Страница 57: ...k Check electrical closing lock out activated 6 Switch can neither be switched ON mechanically nor electrically Electrical closing lock out not activated Apply a supply voltage See item 1 Table 7 1 7 4 Return of switchgear For an Ormazabal switchgear an operating time of many years is assumed The sealed pressure system according to IEC does not require refilling of the SF6 gas over the entire oper...

Страница 58: ...00 kg with relay box 60 kg pressure release channel 90 kg voltage transformer set 1 Usage at lower temperatures on request Table 8 1 8 2 Circuit breaker panel gae 630 1LSV G ratings 12 kV 24 kV1 Rated frequency fr 50 60 Hz 50 60 Hz Rated voltage Ur 12 kV 24 kV Rated short duration power frequency withstand voltage 1 min Ud 28 kV 50 kV Transient voltage rate of rise 0 34 kV µs 0 47 kV µs Rated insu...

Страница 59: ...kA 52 kA Rated short time withstand current 1 s and 3 s lth 20 kA 20 kA 20 kA 20 kA 20 kA 20 kA Rated making current lnk 50 kA 52 kA 50 kA 52 kA Table 8 3 8 4 Processing time guide values Mechanical switch on delay making time ms 35 Mechanical switch off delay breaking time ms 41 Arc time at 50 Hz ms 9 Total breaking time ms 43 Minimum command time when switching ON ms 351 Minimum command time whe...

Страница 60: ...e 8 6 8 7 Tightening torques Thread nominal diameter Screw joints strength class 8 8 Welded stud M5 6 Nm M6 10 Nm 6 Nm M8 25 Nm 14 5 Nm M10 49 Nm M12 86 Nm Table 8 7 The table values do not apply for tightening torques specially mentioned in the documents 8 8 Materials Metals Steel copper aluminium zinc Plastic materials PA PE PC Q EP PF MF BIIR laminated fabric Miscellaneous Aluminium oxide lubri...

Страница 61: ...ne or cosine square wave voltage 3 For mixed routes with PE and VPE insulated cables that have aged during operation damage due to a high direct voltage level cannot be excluded For new VPE cables the direct voltage test has little significance Power frequency voltage withstand tests are therefore recommended for mixed networks Table 8 10 Test level and test duration in accordance with DIN VDE 027...

Страница 62: ...Notes General instructions SF6 insulated circuit breaker panel Type gae 630 1LSV G 5 in modular extensible design up to 24 kV 20 kA Notes IG 322 EN version 03 22 07 2022 62 ...

Страница 63: ......

Страница 64: ...Subject to change without prior notice For further infotmation contact Ormazabal www ormazabal com Ormazabal Burgos Switchgear BURGOS Spain ...

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