TERASAKI TemPower2 AR-E Series, Instruction Manual

Page 1: ...E AR210E AR212E AR216E Notice Be sure to read this manual before installing operating servicing or inspecting the ACB Please retain this manual for future reference Electrical work must be done by com...

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Page 3: ...ion of operation mechanisms 21 4 2 ON OFF Button Cover Locking Procedure 23 4 3 Lock in OFF Procedure 23 4 4 OCR Cover Locking Procedure 24 5 OVERCURRENT RELEASE OCR 24 5 1 Specifications 24 5 2 Chara...

Page 4: ...KRB 5368c 4...

Page 5: ...an area that is subject to high temperatures high humidity dusty air corrosive gases strong vibration and shock or other unusual conditions Mounting the ACB in such an area could cause a fire or malfu...

Page 6: ...t persons Do not touch ACB current carrying parts and ACB structural parts close to a current carrying part immediately after the ACB trips open Remaining heat may cause a burn Prior to commencing any...

Page 7: ...e ACB hold it using lifting attachments or wire ropes through the lifting holes Take care that the control circuit terminals auxiliary switches arc gas barrier and control terminal block cover which a...

Page 8: ...rces of power voltage Otherwise electric shock may result When terminating conductors to the ACB tighten terminal screws to the torque specified in this manual Otherwise a fire could result For 4 pole...

Page 9: ...A 30 50 L mm AR206E AR216E Horizontal terminals 200 150 Vertical terminals 150 100 Fig 2 Support mounting Tighten the terminal screw of control circuit terminals and auxiliary switches according to th...

Page 10: ...ice UVT Optional Auxiliary switches Number of switches 4C standard 7C or 10C available for general feeder or microload Terminal type screw terminals Rated voltage Operation power AC100V AC110V AC120V...

Page 11: ...AC2000V 1 minute 4kV 100M The above data applies to new ACBs Device terminals within ACBs are not covered Use a DC500V Megger to measure the insulation resistance Table 6 shows the internal resistanc...

Page 12: ...in OFF plate 7 3 ON button 8 ON OFF button cover ON OFF indicator 4 5 Charge indicator 6 Charging handle ON OFF cycle counter 9 Overcurrent release OCR 11 OCR cover 10 Front cover 12 13 Rating namepla...

Page 13: ...ective device is supplied power via the CT for overcurrent installed in the ACB main circuit When the CT detects an overcurrent in the main circuit the OCR instructs the magnet hold trigger MHT to tri...

Page 14: ...KRB 5368c 14 Vertical terminals Horizontal terminals Front terminals Fig 6 Main circuit terminals 20 Lifting hole 20mm Allows lifting attachments or wire ropes to be used for lifting the ACB...

Page 15: ...ication Operation indication contact output terminals 05 17 Trip indication 05 27 Spring charged indication 10 20 AC100V AC110V AC120V AC200V AC220V AC240V DC24V DC48V DC100V DC110V DC125V DC200V or D...

Page 16: ...and or ground fault trip functions 3 Used for 3 pole ACBs with ground fault trip functions to be installed in a 3 phase 4 wire circuit 4 Do not connect the ON switch with auxiliary switch b contact i...

Page 17: ...130 1390 AC220 187 242 4 0 7 0 13 1410 1740 AC240 204 264 4 0 7 0 11 1710 2090 DC24 18 26 14 4 1 04 20 26 DC48 36 53 10 1 6 0 51 85 105 DC100 75 110 6 0 8 0 25 350 440 DC110 82 121 6 0 8 0 22 440 540...

Page 18: ...tive load A Inductive load A 1 Resistive load A Inductive load A 2 AC100 250 5 5 0 1 0 1 AC251 500 5 5 DC30 1 1 0 1 0 1 DC125 250 1 1 1 AC cos 0 3 DC L R 0 007 2 AC cos 0 6 DC L R 0 01 3 Min applicabl...

Page 19: ...CB trips open If the ACB trips open automatically remove the cause of tripping operation before re closing the ACB Otherwise a fire could result The ACBs are available in two types in terms of the clo...

Page 20: ...N OFF indicator Fig 10 7 shows ON the charge indicator Fig 10 1 shows DISCHARGED and the charging motor starts charging the closing springs 4 1 3 Opening operation Manual opening Open the ON OFF butto...

Page 21: ...m 5 rotates counterclockwise so that charging lever 7 disengages from closing spring 6 and rotates counterclockwise Closing cam 8 is pushed up by charging lever 7 and rotates clockwise At this time ea...

Page 22: ...device UVT For tripping operation by the overcurrent release OCR moving core 1 protrudes downward from the magnet hold trigger MHT and trip linkage 2 rotates counterclockwise Parts marked with an aste...

Page 23: ...ck in OFF Procedure 1 Open the OFF button cover shown in Fig 16 2 Raise the OFF lock tab and close the button cover 3 Lock the button cover using a padlock with 6 shackle up to 3 padlocks can be used...

Page 24: ...on NP and Pre trip alarm PTA functions If a harmonic current flows through the ACB continuously the root mean square sensing allows the ACB to operate normally The OCR is available in the type that fo...

Page 25: ...ance 20 Ground fault trip pick up current A Ig In 0 2 Tolerance 20 6 ON OFF Ground fault trip Time delay msec tg 200 Resettable time 175 Max total clearing time 270 N phase protection pick up current...

Page 26: ...sec IR Long time delay pickup current setting i Overcurrent tR Time setting N phase protection t 27 94 tN loge 1 1 125IN i 2 20 0 15 0 sec IN N phase protection pickup current setting i Overcurrent t...

Page 27: ...to set the OCR 1 Open the ACB 2 Push the right end of the OCR cover to the left at the hollow on the front cover to unlatch and open the OCR cover See Fig 20 If the OCR cover is padlocked first remove...

Page 28: ...rol power supply Operation LED Contact output Position State Terminal No See Fig 16 State Normal pickup Trip Alarm Normal Trip Alarm AGR 12BL AL AGR 12BL GL Not required Long time delay trip LT N phas...

Page 29: ...tion Ferryboats Normal Detailed Every year Every half year after 2 years since installation Open close condition 800AF or less 1000AF 1600AF Nearly no current level Every 1000 cycles Every 500 cycles...

Page 30: ...for the auxiliary or pinch the wire between the auxiliary and the breaker body Doing so may cause a malfunction To ensure safety be sure to perform the preparation work described in section 6 2 1 unle...

Page 31: ...C500V Megger check that insulation resistance between main circuit terminals between main circuit terminal group and ground and between ends of adjacent grids exceeds 5M ohm If resistance does not exc...

Page 32: ...oothly restored If not so replace UVT 13 Length and stroke of plunger Remove UVT and using vernier caliper make sure plunger length is 32 7 33 3mm in natural state and plunger stroke is 6 7 7 3 mm If...

Page 33: ...ng so may cause a malfunction 6 2 1 Preparation Be sure to make the following preparations for parts replacement in order to ensure safety 1 Open an upstream circuit breaker or the like to isolate all...

Page 34: ...UVT mounting screws eight or ten turns to loosen disconnect the manual connector red and then remove the UVT as shown in Fig 25 Fig 25 Removing the UVT Terminal block fixing screws Hex head M5 x 10 4...

Page 35: ...auxiliary switches 6 Perform manual closing opening operation of the ACB Refer to sections 4 1 2 and 4 1 3 Fig 27 provides the general view of the UVT Fig 27 General view of UVT Link lever pin of aux...

Page 36: ...ing the charging handle down remove the front cover 4 Remove the terminal block fixing screws as shown in Fig 24 and move the terminal block 5 Remove the arc chamber mounting screw as shown in Fig 28...

Page 37: ...ont cover 4 Remove the terminal block fixing screws as shown in Fig 24 and move the terminal block 5 Turn the LRC mounting screws eight or ten turns to loosen disconnect the manual connector green and...

Page 38: ...Remove the terminal block fixing screws as shown in Fig 24 and move the terminal block 5 Turn the SHT mounting screws eight or ten turns to loosen disconnect the manual connector black and then remov...

Page 39: ...harging handle down remove the front cover 4 If the ACB is equipped with the ON OFF cycle counter disengage the hook located under the cycle counter spring turn the cycle counter fixing screw two or t...

Page 40: ...ove the OCR connector Fig 37 Removing the OCR connector 8 Remove the relay retainer shown in Fig 38 and remove the control relay from the relay base Fig 38 Control relay and related parts 9 Reinstall...

Page 41: ...ect the hand connector red and remove the MHT Fig 39 Removing the MHT 5 Reinstall each part or component in reverse order of removal after inspection Fig 40 provides the general view of the MHT Fig 40...

Page 42: ...terminal block 6 Remove the Retaining rings C TYPE External from the Link lever pin of Auxiliary switches by using the special tools as shown in Fig 41 and remove the auxiliary switches Do not reuse...

Page 43: ...s 5 and 10 in Table 21 OK No NG NG Contact Terasaki OK Check the charging mechanism See No 9 in Table 24 Supply correct voltage Repair NG Repair Is motor charging possible No Contact Terasaki Yes Cont...

Page 44: ...s No Yes Yes NG NG NG No Is manual closing possible No Charge Unlock Deactivate Supply correct voltage Repair replace Repair Contact Terasaki Yes Do operation indication contacts work well No Check co...

Page 45: ...t terminal screws loose See No 5 in Table 21 No No No Yes Correct adjust Retighten Are OCR settings correct Yes Check the control circuit See No 10 in Table 21 OK Check the tripping operation See No 2...

Page 46: ...0002 Japan TEL 81 6 6791 2763 FAX 81 6 6791 2732 www terasaki co jp kiki info terasaki co jp Published in January 2006 Revised in December 2008 Revised in February 2017 Revised in June 2018 The conten...