GE GL 311 F3/4031 P/VE Operating Instructions Manual Download Page 47 | Manualshive

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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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Summary of Contents for GL 311 F3/4031 P/VE

Page 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...

Page 2: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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