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I

NSTALLATION

REV7

/REV7

OI 250 (EN)

6.12

Earthing (Grounding) the Circuit Breaker

Lattice supports are equipped with earth (or ground) connections.
Pole columns and operating mechanisms are conductively
connected via their mounting points to the lattice supports and eart-
hed or grounded through the supports (the earthing surfaces are
shown in the dimensioned drawing).

• Earth (ground) the lattice supports.

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Содержание GL 311 F3/4031 P/VE

Страница 1: ...50 EN Operating Instructions No 250 EN Device High Voltage Circuit Breaker GL 311 F3 4031 P VE GL 312 F3 4031 P VE Manufacturer GE Grid GmbH Lilienthalstrasse 150 34123 Kassel Germany BA P ST F3 VE SC...

Страница 2: ......

Страница 3: ...4 Unpacking the Transport Units 24 6 4 1 Pole Column 25 6 4 1 a Unpacking Pole Column with Composite Insulator 26 6 4 1 b Unpacking Pole Column with Porcelain Insulators 27 6 4 2 Operating Mechanism...

Страница 4: ...Charging the Closing Spring 62 7 6 7 Checking the Anti Pumping System 63 7 6 8 Check Synchronized Operation 63 7 6 9 Checking the Functional Lockout 63 7 6 10 Operations Counter 63 7 6 11 Final Tasks...

Страница 5: ...1 14 Replacing the Adsorption filter 97 10 1 15 Final Operations 98 10 2 Disassembling the Post Insulator and Crankcase 98 10 2 1 Disassembling the Opening Springs 99 10 2 2 Disassembling the Crankca...

Страница 6: ...itioning 123 A2 9 Auxiliary Materials and Supplies 124 A3 Replacement Parts and Accessories 125 A3 1 Servicing Equipment 126 A3 2 Replacement of Arcing Contacts 127 A3 3 Replacement Parts for Installa...

Страница 7: ...the equipment In the event of problems or equipment malfunction please contact your local GE representative This manual describes installation commissioning operation inspection maintenance and recon...

Страница 8: ...withholds permission for making the Documents or any portion thereof acces sible via the internet Except as expressly provided herein you may not use copy print display reproduce publish license post...

Страница 9: ...recuperato e non rilasciato nell atmosfera Per ulteriori informazioni sull uso e la movimentazione del gas SF6 per favore rivolgersi a IEC 62271 High Voltage Switchgear and Controlgear Part 4 Use and...

Страница 10: ...INTRODUCTION 10 146 OI 250 EN REV7 REV6...

Страница 11: ...raining programs at GE The five safety rules of electrical engineering must be followed Disconnect the equipment from the power supply Install safeguards to ensure that the power cannot be turned on a...

Страница 12: ...SAFETY 12 146 OI 250 EN REV7 REV3...

Страница 13: ...dard IEC 60376 Standards governing SF6 handling IEC 60480 Guidelines for the checking and treatment of sulfur hexafluoride taken from electrical equipment and specification for its re use IEC 62271 4...

Страница 14: ...gloves and appropriate work clothes when carrying out procedures involving components filled with SF6 Do not eat drink smoke or store food in rooms containing SF6 systems or equipment Make sure there...

Страница 15: ...here is good room ventilation when servicing SF6 switchgear evacuating filling opening or cleaning the units When carrying out procedures involving SF6 filled compo nents always wear safety goggles le...

Страница 16: ...ure of approxima tely 0 03 MPa pe 0 3 bar All pressure specifications are given in terms of relative pressure pe CAUTION The bursting of pressurized parts such as insulators or bushings may result in...

Страница 17: ...pply Standard The shipment for each circuit breaker includes the following compo nents 1 Operating mechanism 3x 2 Pole column 3x 3 Crate containing accessories 1x 4 Connecting angle bracket only for m...

Страница 18: ...of Supply Optional Neither the lattice supports nor the gas for the circuit breaker are in cluded in the scope of supply If desired these components can be ordered separately Lattice supports Gas cyl...

Страница 19: ...tion about the safe hand ling of the transport units and must always be followed Improper handling of the transport units may result in serious damage Therefore Comply with handling markings and label...

Страница 20: ...ansport packaging Storage outdoors four months maximum Storage in a dry room six months maximum The following periods and conditions shall apply to storage after unpacking Storage outdoors unlimited T...

Страница 21: ...ual operations or steps must be confirmed on the checklist For some operations measured values must also be recorded A separate checklist must be filled out for each breaker and after commissioning it...

Страница 22: ...Component serial numbers checked for agreement 6 4 5 SF6 shipping pressure in each pole column checked 6 4 1 6 Lattice supports mounted 6 5 7 Connecting brackets mounted 6 6 8 Density monitor and fil...

Страница 23: ...ng mounted 7 2 1 6 Operating points of density monitor checked 7 2 3 7 SF6 piping connected to the pole columns 7 2 4 8 SF6 gas topped up to rated pressure as shown on nameplate 7 3 9 SF6 piping seals...

Страница 24: ...tructions for use of required auxiliary materials and sup plies such as lubricants and locking compounds are given in Ap pendix A2 The various procedures are indicated in the text of the instruction m...

Страница 25: ...nsu lator Therefore Clean and wash the silicone shielding using only water or isopropyl alcohol CAUTION BA P SCHIRM Due to damage that may have occurred during transport a visual inspection of the ins...

Страница 26: ...ting accessories shackle eyebolt or lifting eye nut to the lower flange of the post insulator and the upper terminal pad mounting plate Lift the pole column out of the packaging and lower it on to the...

Страница 27: ...d and the dimensions of the squared timbers must be selected accordingly Loop a sling around the insulator below the sheds Hook the other end of the sling in the crane hook Loop a sling around the ins...

Страница 28: ...s opens the poppet valve 3 and transmits the pole column pressure to the shipping pressure indicator The pressure indication remains visible until the next measurement due to a check valve in the ship...

Страница 29: ...46 6 4 2 Operating Mechanism Leave the operating mechanism in its packaging until you are ready to install it Install the operating mechanism immediately after un packing 1 Gas coupling 2 Screw cap 3...

Страница 30: ...is M16 For grade 8 8 the torque is 196 Nm The lattice supports have round through holes for securing the pole column These holes make it possible to position the poles exactly with respect to the oper...

Страница 31: ...r bolt threads as per L1 Fasten the lifting tackle 6 to the lattice support 1 using two M16 eyebolts and two shackles Use two holes located diagonally from one another in the top rails for this purpos...

Страница 32: ...ng the nuts 2 on the anchor bolts 4 Use the upper surfaces of the lattice supports mounting surfaces for pole column as the reference surface Tighten the nuts to a torque of 250 Nm and lock them 1 Lat...

Страница 33: ...4 and nut 5 view U Fasten the bracket to pole A via the oblong hole view X using the bolt 2 washer 4 and nut 5 view T Tighten to a torque of 202 Nm Position the connecting bracket 1 between poles B an...

Страница 34: ...INSTALLATION 34 146 OI 250 EN REV7 REV7 1 Connecting bracket 4x 2 Bolt M16 x 35 A2 70 2x 3 Bolt M16 x 55 A2 70 2x 4 Washer 17 A2 8x 5 Nut M16 A2 70 4x BA P VE 3 2040021_5...

Страница 35: ...sition on the lattice support view X Tighten to a torque of 25 Nm In breaker configurations with three density monitors the list below must be repeated for poles A and C The design of the mounting bra...

Страница 36: ...to a torque of 17 Nm One mounting point in the mechanism is hidden by the spring guard plate In order to mount the operating mechanism proceed as follows Loosen the two bolts 7 and remove the spring...

Страница 37: ...1x 2 Side panel 2x 3 Roof 1x 4 Tooth lock washer 8x 5 Hexagon nut M8 A2 70 4x 6 Hexagon bolt M6 A2 70 4x 7 Hexagon screw M8x20 8 8 2x 8 Spring guard plate 1x 9 Transport lock if any 3 4 6 2 1 5 4 a b...

Страница 38: ...nto the mechanism from the lattice support side Make sure that washer 15 is seated between the support and the mechanism Screw nuts 13 and washers 12 loosely on the four bolts inside the mechanism Pus...

Страница 39: ...otect the pole column during the erection process Fasten the lifting tackle to the pole column using two M16 eyebolts Use the two middle holes in the terminal pad mounting plate for this purpose The f...

Страница 40: ...INSTALLATION 40 146 OI 250 EN REV7 REV7 Hoist the pole column to an upright position carefully rolling it on the rounded crankcase end BA P DM ANHEBEN...

Страница 41: ...ng bolts 4 as per L1 and insert them from below Screw on the nuts to the end of the thread and then loosen them again one half revolution Do not tighten the nuts yet The pole columns will be moved aga...

Страница 42: ...he installation position of the drive rod The side of the drive rod with the hexagon nut faces Pole B Apply locking adhesive S1 to the screw 13 Lock the flanged coupling pin 14 using the locking sleev...

Страница 43: ...ontact with one another This reduces the clearance between the lever and the shaft Pull on the drive rod to reduce the clearance between the drive shaft and operating lever Check to make sure the hole...

Страница 44: ...e columns Brace the tire lever against the side of the lattice support and press it against the flange on the crankcase in order to move the pole columns The SF6 filling connection can be damaged by c...

Страница 45: ...moved before installation Use a wire brush with stainless steel bristles as the appropriate tool for this job Brush the contact surfaces of the high voltage terminal pads 2 and terminal pad mounting p...

Страница 46: ...clamp 1 until all oxide film has been removed Lubricate contact surfaces on both sides in accordance with lubrication specification L3 Bolt high voltage terminal pads and cable clamp together Keep cab...

Страница 47: ...are equipped with earth or ground connections Pole columns and operating mechanisms are conductively connected via their mounting points to the lattice supports and eart hed or grounded through the s...

Страница 48: ...INSTALLATION 48 146 OI 250 EN REV7 REV7...

Страница 49: ...ith a separate density monitor for each pole The respective operations must then be carried out for each pole 7 1 1 Connecting the Cable The cable is already connected to the density monitor The cable...

Страница 50: ...peration The density monitor indication can be checked using a test manometer and a thermometer The indicated value of the test manometer must be corrected as a function of the ambient tem perature in...

Страница 51: ...5 per L5 and slide it onto the sleeve 6 so that it is centered Insert the sleeve 6 with O ring 5 in the screw in connector 9 Apply locking adhesive to the external thread of the screw in connector 9...

Страница 52: ...mounting brackets Attach the gas piping for poles A and C using mounting brackets 1 together with bolt 2 nut 3 sleeve or stud lock 4 and washer 5 Tighten to a torque of 7 Nm X X 1 2 5 4 3 1 Mounting...

Страница 53: ...ove the protective caps from the gas couplings on the pole columns and the gas piping Lubricate O ring 5 per L5 and slide it onto the sleeve 6 so that it is centered Insert the sleeve 6 with O ring 5...

Страница 54: ...ose of the gas filling device to the central supply connection type DILO DN8 coupling the location of the gas filling device is shown in the dimensioned drawing Fill the gas piping with SF6 until rate...

Страница 55: ...provisionally using tool T022 and finally tighten using tool set WK001 Tighten to a torque of 30 Nm Use two wrenches for connecting the filling connection s Retighten all couplings in the gas piping s...

Страница 56: ...he rated breaker pressure After a temperature equalization period of approximately 1 hour check the gas pressure again and correct it if necessary Check all gas piping seals for leaks using a leak det...

Страница 57: ...0 t C p_rel bar Liquid Gaseous 1 4 2 3 1 Nominal Density 48 77 g L 2 Alarm Density 41 58 g L 3 Lockout Density 39 46 g L 4 Liquifaction Curve 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 50 40 30 20 10 0 10 20...

Страница 58: ...tenance Connect the cables in accordance with the schematic diagram Serious personal injury or property damage can result during commissioning if the equipment is live or energized Therefore Make sure...

Страница 59: ...at gas pressures below UW2 can result in mechani cal damage to the circuit breaker Therefore Never operate the circuit breaker at gas pressures below UW2 red area on the density monitor indicator CAUT...

Страница 60: ...values in the routine test certificate and enter it in the checklist If these measured values correspond to those in the routine test certificate then the error is due to incorrect installation of th...

Страница 61: ...al operating levers The circuit breaker will immediately carry out the corresponding operation Push the locking plate up and to the right and tighten the two locking bolts again Manual operation bypas...

Страница 62: ...voltage disconnected Open the door of the mechanism Using the hand crank 70 53 turn the gearing clockwise until the spring position indicator shows closing spring charged In this position the gearing...

Страница 63: ...the circuit breaker is not allowed to carry out a closing operation The anti pumping system is automatically reset if there are no more operating commands 7 6 8 Check Synchronized Operation Synchroniz...

Страница 64: ...ting and measuring equipment from the circuit breaker Replace the roof and side panels of the mechanism after work is completed Tighten the bolts 6 and nuts 5 to a torque of 17Nm Clean up the installa...

Страница 65: ...disconnected the charging motor from the power supply Check the shunt releases Replace defective coils determine the cause of a potential overload and eliminate the cause Check the terminal connectio...

Страница 66: ...of 7Nm Reconnect the wires to the motor limit switch M6 MOTOR Lubrication of the motor pinion may cause the operating mechanism to malfunction Do not grease or lubricate the motor pinion CAUTION If t...

Страница 67: ...nd place it on a clean surface Replace the yoke 2 and mount the leaf spring 1 Check the fit of the leaf spring 1 it must snap into place Connect the coil 3 1 Leaf spring 2 Yoke 3 Coil 4 Side plate 1 2...

Страница 68: ...nter 2 by unscrewing the four M3 mounting screws Set the new operations counter manually to indicate the number of operations shown on the old operations counter so that it will be possible later to d...

Страница 69: ...5 Remove the locking clamps 3 Remove the drive rod 2 or 6 and the connecting rod 4 Unscrew the M5 mounting screws Remove the motor limit switch or auxiliary switch Unscrew the M4 screw s and remove th...

Страница 70: ...ten the wire connections Check to see whether there is play in the linkage If the drum controller is positioned incorrectly operation of the mechanism will be negatively affected Therefore check the p...

Страница 71: ...the O ring and sealing surfaces as per L5 Lubricate both threads of the threaded bushing as per L4 Screw the threaded bushing two full turns onto the new density monitor Place the threaded bushing and...

Страница 72: ...TROUBLESHOOTING 72 146 OI 250 EN REV7 REV2 1 Density monitor 1x 2 Threaded bushing 1x 2a Vent hole 1x 3 Filler block 1x 4 O ring 1x 5 Check valve 1x 1 2 3 4 5 2a 4 BA P DICHTEWAECHTER...

Страница 73: ...es the joint mechanically The O ring 4 fitted onto the stiffener seals the connection Disconnect all filling connections This will disconnect the gas compartments of the pole columns from the gas pipi...

Страница 74: ...7 REV2 Lubricate the threads of the junction points as per L4 Insert the tubular stiffener and O ring and screw the gas pipe together with the junction point until it is finger tight Align the gas pip...

Страница 75: ...ecessary The intervals are as follows Inspection On an occasional basis during routine in spections after 6 years at the latest Maintenance After 12 and 24 years The spring operating mechanisms have a...

Страница 76: ...ing is necessary after 2 500 operations at rated normal current or after a specific total breaking current see figure has be en reached Under certain operating conditions such as operation of reactors...

Страница 77: ...in the mechanism cabinet to make sure they are clear Remove any blockages 9 2 2 Anti Condensation Heater Check the heat dissipation from the anti condensation heater To do so place a contact thermome...

Страница 78: ...cable connections in the mechanism housing are tight 9 3 2 Checking the Connecting Linkage Check all the fastening and locking elements pins nuts screws and bolts on the connecting linkage 9 3 3 Check...

Страница 79: ...ing equipment is listed in see Tools and Auxiliary Equipment on Page 117 9 3 5 Checking the Contact Resistance Check the contact resistance as described in the commissioning section 9 3 6 Checking the...

Страница 80: ...INSPECTION AND MAINTENANCE 80 146 OI 250 EN REV7 REV3...

Страница 81: ...r chamber and the post insulator All inter rupter chambers are interchangeable This design makes it possib le to replace entire interrupter chambers quickly and then recondition the interrupter chambe...

Страница 82: ...60 80 mm This will result in a gap G between the interrupter chamber and the upper flange of the post insulator Remove the splint pin 25 using tool T114 Remove the coupling pin 24 using tool T115 Lift...

Страница 83: ...REV7 REV7 OI 250 EN 83 146 1 Interrupter chamber 1x 2 Upper flange of post insulator 1x 24 Coupling pin 1x 25 Splint pin 12KK2000 964 1x 26 Hexagon screw M12x65 A2 70 8x 27 Washer 12 A2 8x G Max gap 8...

Страница 84: ...le Motion System Remove eight screws 3 and washers 4 from the upper flange of the chamber insulator 1 Carefully remove the double motion system 2 1 Chamber insulator 1x 2 Double motion system 1x 3 Hex...

Страница 85: ...tact The interrupter unit is connected by the guide lever to the movable contact system Remove the interrupter unit the guide lever and the movable contact system from the fixed contact 5 Interrupter...

Страница 86: ...Tighten the screw 30 to a torque of 25Nm Replace the guide strip 11 The guide strip is located in a dovetail groove It is therefore necessary to overcome mechanical resistance when replacing it Lubri...

Страница 87: ...placing it 10 1 7 Lubricating the Interrupter Unit Unpack and grease a new interrupter unit 5 Lubricate the outer diameter of the interrupter unit in the area of the electrical sliding contact surface...

Страница 88: ...s 9 per lubrication specification L7 Insert the rods of the movable contact system into the guide levers selecting the lever arm marked with a dot Insert the rods of the interrupter unit into the guid...

Страница 89: ...nd levers can result in damage to the pole columns Therefore Make sure you have correctly matched the rods and le vers The lever arm for the double motion unit and the rod of the double motion unit ar...

Страница 90: ...acer sleeve 21 between the levers Connect the guide lever and fixed contact to the guide shaft 28 Coat a new screw 22 with locking adhesive per S1 Fasten the shaft with the locking plate 23 and the ne...

Страница 91: ...e necessary to overcome mechanical resistance when replacing it Clean the sealing and flange surfaces of the holder 16 and grease them per lubrication specification L3 Replace the formed gasket 19 Lub...

Страница 92: ...rings Lift the double motion system 2 above the chamber insulator and align it coaxially Carefully insert the double motion system into the holder using guide tool T102 When inserting the interrupter...

Страница 93: ...Chamber insulator 1x 2 Double motion system 1x 3 Hexagon screw M12x45 A2 70 8x 4 Washer 12x40 A2 8x 5 Interrupter unit 1x 6 Movable contact system 1x 7 Fixed contact 1x 16 Holder 1x 19 Formed gasket 2...

Страница 94: ...e hole in the coupling piece 33 to 69 5 1mm The hole in the coupling piece 33 and the flattened sides of the connecting rod must be aligned in the direction of the high voltage terminal pads Tighten t...

Страница 95: ...chamber and insert the coupling piece 33 into the insulating tube 38 until the holes in the coupling piece and insulating tube are aligned Lubricate new coupling pin per lubrication specification L7...

Страница 96: ...146 OI 250 EN REV7 REV7 16 Holder 1x 24 coupling pin 1x 25 splint pin 12KK2000 964 1x 26 Hexagon screw M12x65 A2 70 8x 27 Washer 12 A2 8x 33 Coupling piece 1x 35 Formed gasket 221 1x 38 Insulating tu...

Страница 97: ...the filter sleeve 48 and filter bag 65 from the crankcase 37 Lubricate the sealing areas per L5 Replace the O ring 59 Before installation lubricate it per L5 Insert a new filter bag in the filter slee...

Страница 98: ...ng tackle to the upper flange of the post insulator and hook the tackle in the crane hook Detach the post insulator from the base frame Carefully lift the post insulator and crankcase assembly up out...

Страница 99: ...crankcase and carefully pull them off the insulating tube 38 Reverse the sequence to install the components Tighten the screws to a torque of 17Nm Before remounting the screws lubrica te them per L1 I...

Страница 100: ...aces lubricated per L7 37 Crankcase 1x 52 Roller bearing 1x 38 Insulating tube 1x 53 Roller bearing 1x 39 Connecting piece bottom 1x 54 Axial needle roller assembly 1x 40 Inner lever 1x 55 Axial ring...

Страница 101: ...Post Insulator on Page 95 Remount the pole column on the base frame Re commission the circuit breaker as described in the commissioning section The following instructions must be followed when assembl...

Страница 102: ...RECONDITIONING 102 146 OI 250 EN REV7 REV7...

Страница 103: ...small amounts Waste management procedures must ensure that hydraulic fluids present in mechanism dampers are drained off Compliance with regulations governing management of these wastes is required No...

Страница 104: ...END OF LIFE MANAGEMENT 104 146 OI 250 EN REV7 REV2a...

Страница 105: ...cribes only special equipment that is not part of the standard equipment of the switchgear Special equipment is only available as option ba 246 ha 20517511 02 The EasyCheck technology makes it particu...

Страница 106: ...be recognised even from a long distance and unmonitored operati on of the circuit breaker in the test position can be recognised and avoided For movement of the lever from the position Operation to t...

Страница 107: ...y monitor P1 monitors the gas in the switchgear gas compartments The central fill cou pling X1 permits filling of the switchgear with gas or extraction of gas The actuation lever H is placed horizonta...

Страница 108: ...nge the gas pressu re in the volume G2 and check the display as well as the switching points of the density monitor without influencing the gas pressure in the switchgear gas compartments For this a s...

Страница 109: ...k valve for connection to the pole columns FlexLink is available for the standard density monitor unit as well as for the EasyCheck technology 12 2 1 Setup of the FlexLink Gas Connction The FlexLink t...

Страница 110: ...commend the use of the following tools T016 Compact open end wrench open ended spanner SW24 WK001 Torque wrench spanner with ratchet adapter and SW27 open end wrench head Retighten filling connections...

Страница 111: ...gas couplings as per L4 Connect the gas piping to all pole columns The gas couplings are equipped with threads for this purpose First screw on the gas couplings by hand then tighten them provisionall...

Страница 112: ...exible metal hose 1 two corrugation valleys 2 must remain uncovered Two locking plates 3 offset radially from one another prevent the sealing set from sliding when inserted into the sealing area of th...

Страница 113: ...o corrugation valleys 2 leaving the latter uncovered Apply lubricant to the sealing areas on the flexible metal hose 1 and the coupling 4 as per L5 Lubricate the threads of the junction points as per...

Страница 114: ...SPECIAL EQUIPMENT OPTIONAL 114 146 OI 250 EN REV7 REV0...

Страница 115: ...ble side panels and roof are constructed of alu minum sheet A1 3 Operation The pole columns and the gas piping form a common gas compart ment The movable contacts of the interrupter unit are connected...

Страница 116: ...mns and are thus charged during each closing movement The spring energy store contains enough mechanical energy to execute the O CO operation even if the motor power supply should fail Electrical actu...

Страница 117: ...upports lattice supports conforming to GE Grid GmbH drawings High voltage terminal pads including fasteners Gas for filling the breaker Squared timbers and boards on which pole columns can rest before...

Страница 118: ...40Nm 9x12mm seat length 390mm T002 Torque wrench spanner 40 200Nm 14x18mm seat T003 Torque wrench spanner 80 400Nm 14x18mm seat T004 Ratchet adapter can be used for torque wrench 9x12mm seat T005 Ratc...

Страница 119: ...are nut wrench 24mm head for torque wrench spanner 9x12mm seat T010 Open end wrench open ended spanner 27mm head for torque wrench spanner 14x18mm seat T011 Open end wrench open ended spanner 36mm hea...

Страница 120: ...D AUXILIARY EQUIPMENT 120 146 OI 250 EN REV7 REV7 Tool Combinations Tool Illustration Comment WK001 WK001 combined WK001 exploded view For tightening gas cou plings to specific torque T001 T006 T005 T...

Страница 121: ...aring surfaces Apply a thin coat of grease to the sliding or bearing surface1 L3 SF 1377 silicone grease For protecting threaded surfaces from corrosion Apply a thin coat of grease to the entire area...

Страница 122: ...e sup plied by the manufacturer and are included in the breaker shipment A2 7 Measuring Devices for Checking Gas Quality Abbre viation Name of Locking Adhe sive Function Application S1 Loctite 243 Med...

Страница 123: ...tool for interrupter unit T103 Blocking device device for blocking the closing latch T104 Slow operation device device for slow closing and opening operations T105 Ratchet box wrench ring spanner for...

Страница 124: ...ry Materials and Supplies Description Quantity Molykote BR 2 plus grease 0 20kg 0 40kg 0 80kg SF 1377 silicone grease 0 25kg 0 50kg Molykote PG 54 grease 1 00kg Locking adhesive Loctite 243 blue 10cm...

Страница 125: ...n repair time Description Coil E A FK3 Contactor K11 K14 K17 K24 Auxiliary switch block top K14 Contactor for synchronized operation F3 K40 Different variants or operating voltages specify serial numb...

Страница 126: ...l UK5N USLKG10 Button temperature controller Manual crank handle FK3 Saeka cleaning paste Loctite 243 blue 250 ml Molykote BR 2 grease 400 g Box of assorted circuit breaker parts accessories Different...

Страница 127: ...er of replacement parts refers to one pole column Description Quantity Interrupter unit 1x Flanged coupling pin 6x24 4x Cotter pin 8x1 2 4x Guide strip 3x5x398 1x Guide strip 3x5x380 1x Arcing contact...

Страница 128: ...REPLACEMENT PARTS AND ACCESSORIES 128 146 OI 250 EN REV7 REV6...

Страница 129: ...n order to meet standard specifications The reconditioning process removes the impurities Reconditioning is handled by the SF6 manufacturer If the SF6 is only slightly contaminated it can also be trea...

Страница 130: ...HANDLING USED SULFUR HEXAFLUORIDE 130 146 OI 250 EN REV7 REV2...

Страница 131: ...able Rated short circuit breaking current R m s value of the a c component of current kA 40 40 Percentage of d c component 45 45 Minimum opening time ms 26 26 First pole to clear factor 1 3 1 5 1 3 1...

Страница 132: ...d values only with direct voltage V 60 110 125 220 250 Allowable rated supply voltage deviation Shunt closing release 85 to 110 Vn Shunt opening release 70 to 110 Vn Power consumption of releases Shun...

Страница 133: ...y Precautions Stored energy spring mechanisms have been designed according to the state of the art and are safe and reliable Nonetheless these devices can be hazardous if operated improperly The circu...

Страница 134: ...ible when performing manipulations on the operating mechanism Touching moving parts poses a risk of injury Spring mechanisms with undervoltage releases open immediately as soon as the control voltage...

Страница 135: ...sponse of electrical devices This can lead to malfunctions and result in damage to the spring mechanism The use of cleaning agents rust preventing grease or sprays may result in heavy gum formation gu...

Страница 136: ...rmed on the spring mechanism Manipulating the spring mechanism without locking the manual releases poses risk of injury If Then Cabinet is mounted horizontally mounted on rear panel Remove the side pa...

Страница 137: ...are locked Retighten the M6 screws Spring mechanism has undervol tage release and integrated lok king device Spring mechanism has undervol tage release but no locking de vice The manual release locki...

Страница 138: ...rvoltage release must be locked If Then Undervoltage release has no lok king device 10 Locking device for undervolta ge release Insert hook of locking device 10 and pull out solenoid until it hits the...

Страница 139: ...when the closing spring is charged and the closing latch is not locked poses a risk of injury Insert the locking device 11 for the closing latch 12 and fasten it to the shaft of the manual opening re...

Страница 140: ...Required 1 Only required for spring mechanisms equipped with an under voltage release and no integrated locking device Position of Position Indicator Spring position indicator shows clo sing spring i...

Страница 141: ...Manually Turn the hexagon nut 22 clockwise until the support latch 21 of the roller follower 23 engages with the opening latch 24 by audibly snapping into place During the slow closing operation the o...

Страница 142: ...equired 1 Only required for spring mechanisms equipped with an under voltage release and no integrated locking device Position of Position Indicator Spring position indicator shows clo sing spring is...

Страница 143: ...mechanism housing Attach the hook 19 of the slow operation device to the pin 20 of the support latch 24 Removing Pressure from the Opening Latch Turn the hexagon nut 22 clockwise using the tool until...

Страница 144: ...EV7 REV3 Loosening the Manual Release Locking Device Loosen the M6 screws Slide the manual release locking device 7 in the direction of the arrow Tighten the M6 screws 7 Manual closing release 9 Manua...

Страница 145: ...passed the opening latch 24 Continue turning the nut 22 counterclockwise until the pressure is removed from the hook 19 At the end of this operation the opening springs in the pole columns and the me...

Страница 146: ...screws Slide the manual release locking device 7 in the direction of the arrow until manual releases 8 and 9 are locked Retighten the M6 screws Operating State of the Spring Mechanism after the Slow O...

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