LBS
Contents
1. Gree oVvators of Innovation www lsis b Tri MEC Load Break Switch LS Leader in the field of industrial electricity amp automation creating the comfortable and productive society through providing Total Solution Enabling you to feel the difference in the performance and technology of improved product of Load Break Switch completed with LS technology and testing equipments Contents Features es 4 RELI hl CONDES ccc 10 Ordering Information 11 External View eiii Hn Hn 12 AWREOGcGO OS n 14 Operation Principle ee 16 Installation s 17 Dimensions 18 PIGET HUS TRA 20 Coordination Graph een 21 Power Fuse Selection Tables 22 Applied by new mechanism Being applied by new concept bendable type blade structure LS Air Insulated Load Break Switch has further been intensified with safety and reliability LA and upgraded to higher stage with the performance realization through accurate p technology interpretation and actual testing Incorporation of maximum Optimization design of Optimization design of E strength through CAE discharge input for stable 3D for maximization of interpretation Arc extinction extinction force General features In application of new concept mechanism of bendable type blade structure LS Tri MEC Air Insulifed Load Break Switch LBS has been equipped with further advanced technology and in a system switching the circuits2. N 4 4 M Charging Motor TC Trip Coil RY Motor Operation Relay AUX Auxiliary Switch 15 Operation Principle 16 Motor powered type A spring for input is enlarged as the turn movement of a drive motor and at this time an accumulated energy to input or open a break switch is conveyed to an axis As a result regardless of operator a blade to flow main circuit and to block it is moved at designated speed An input instrument part provides a strong force so that a break switch may overcome the explosive force likely to take place in case of inputting under the system accident At this time the force is not conveyed to an operation handle and the inout can be made even under the rated short accident A load break switch is composed of a main blade and an arc blade When a break switch is opened the main blade is opened first and all of currents and extinct through the arc blade And through dispersing and cooling down the arc with a proper operation of Puffer by Air Piston the damage of an instrument and system can be blocked off early Manual type Through turning clockwisely and continuously in application of an exclusive handle supplied together with a break switch the input is made and an opening operation is made by LATCH instrument part through turning the exclusive handle clockwisely and continuously Operation of instrument part A reducti
3. O time current characteristic curve of a Fuse x Coordination in the graph e Zone of 1 Protection of primary side from short circuit by a fuse e Zone of 2 Protection of a transformer Zone of 3 Out of the scope of fuse operation Secondary short circuit current 8 gt Lowest interrupting current of a fuse Zone of 4 Interruption is not ensured even Point B must lie to the left of the secondary short circuit current though the fuse blows Primary short circuit current lt Rated interrupting current of a fuse e Zone of 5 Protection of a transformer is not ensured even though the fuse interrupts the circuit e Zone of 3 4 5 No protection zone of a When a circuit breaker or fuse is installed in the secondary of a transformer transformer Circuit Must meet the requirements above mentioned in breaker or low voltage e The characteristic curve of a secondary circuit breaker or low voltage fuse 8 must lie to fuse required for the the left of permissible overload characteristic curve of a transformer b and under the transformer protection point B The characteristic curve of a secondary circuit breaker or low voltage fuse 8 must lie to the Time Current characteristic curve of a Fuse and under the Secondary short circuit current Secondary short circuit current 8 lt Characteristic curve of a secondary circuit breaker or low voltage fuse 8 The secondary circuit breaker or low vol
4. current shall be used or a fuse shall be used through combining the overcurrent breaking devices in series Check if a voltage of circuit is higher than overload voltage of fuse e Since a fuse may cause the deterioration even without operation thereby generating a rated current with a sufficient capacity shall be selected Replace at the time of fuse current 24kV fusing Upholstery features curve 24kV Current limiting features curve 1000 1000 800 800 600 SA 200A 600 400 O 400 160A 200 C 200 125A 100 100 8 oA Ji 80 200A 80A bs O a 160A 40 S 40 125A yw 75A o 100A 20 2 20 Ji E I 63A 75A O v 5 10 63A 8 gt 8 Qs 8 E D o o 30A S 25A 3 5 i 20A 0 8 D 08 16A a 06 o 0 6 ME 2E 10A E o 5A 02 9 02 0 1 0 1 0 08 0 08 0 06 0 06 0 04 0 04 0 02 0 02 0 01 0 01 A O amp 9 888g g e 8 g2 9 9 880 al en ype ee ND ee Sl S a Y 08 S 9 28 8 6 oso c a oe Agreed current effective value A Agreed current effective value A 20 Power Fuse Selection Tables Seletion conditions Transformer protection A transformer incoming current was selected on the assumption tha
5. when checking measuring testing and repairing the instruments at branch point with 3 phase load break switch designed customer orientedly and considerably In particular a bendable type blade structure is significantly small in operation radius in contrast with existing direct line one and an arc discharge angle at the time of breaking operation is under 50 thereby reducing the danger of accident by an arc remarkably And it is suitable for a metal Enclosed and Package Substation thanks to higher insulation resistant power and is equipped with durability stability and economical efficiency E2 class mechanical strength based on new standard application Standard ambient temperature under 35 C 24hrs in average Standard temperature 20 C 40 C Standard storage 25 C 60 C e Humidity 40 C 85 below 20 C 90 below Place Indoor place with clean ambient air not being contaminated with dust smoke corrosion substance or combustible substance salty materials etc Never use store or leave alone this product in the place with sulfuric gas ammonia gas and corrosive gas HS lt 0 01ppm SO2 lt 0 01ppm NH3 lt a few ppm e Altitude above sea level 1000m below IEC 62271 105 60265 1 60694 60282 1 ey gt YM rn m yd STAD re ATO AT ky K5A i ES Performance Up Grade by New Standard Reliable Technology This product has been verified for its excellency in quality through passing
6. 0265 1 New Standard IEC 265 1 Old Standard U E1 class E2 class Rated load current break 10 times 30 times Short current imput 52kA 2 times 3 times Note E2 grade test condition reguiring the performance higher by maximum 300 than E1 grade in accordance with IEC standard Reliability and Stability for User Through applying a bendable type blade being a double Joint type drive structure the stability have been recognized successfully Spacing the maximum inter phase distance No need to install the separate insulation barrier when assembling Bus bar at load side equipped with a power fuse Metal to Metal 210mm Center to Center 300mm Direct line blade structure Bendable type blade structure Minimization of break distance Through employing a direct line flexible type Knife drive structure the break distance and panel depth comparing to an existing direct line tyoe can be reduced remarkably And an existing product may require a sufficient insulation distance at 90 against the side of installation in the eruption angle but for Tri MEC LBS of a direct line flexible type Knife structure the stability in use has been intensified further since the eruption angle of arc becomes under 50 Rating 10 LS Tri MEC LBS is air insulation type and has a major instrument equipped with the function of a rated load break and a short protection when a fuse is installed in nomin
7. 20G 100C 923 1 527 1 600 2 645 1 021 1 655 ET LFL 206 125B 1 364 1 908 2 362 3 304 1 655 2 370 Uu a i LFL 20G 160B 2 125 2 443 3 680 4 232 2 370 3 170 DIN Size LFL 20G 200B 2 650 3 050 4 593 5 287 3 170 4 000 537 87 LFH 20G D2HC 21 22 Green Innovators of Innovation e For your safety please read user s manual thoroughly before operating Contact the nearest authorized service facility for examination repair or adjustment Please contact a qualified service technician when you need maintenance Do not disassemble or repair by yourself Safety Instructions Any maintenance and inspection shall be performed by the personnel having expertise concerned 2004 8 LSIS Co Ltd All rights reserved www lsis biz B HEAD OFFICE ll Global Network LSIS Middle East FZE gt gt Dubai U A E Korea Gyeonggi do Anyang si dongan gu Address LOB 19 JAFZA VIEW TOWER Room 205 Jebel Ali Freezone P O Box 114216 Dubai United Arab Emirates a a Tel 971 4 886 5360 Fax 971 4 886 5361 e mail jungyongl lsis biz LS ro 127 Hogye dong Dalian LSIS Co Ltd gt gt Dalian China Tel 82 2 2034 4887 4873 4148 Address No 15 Liaohexi 3 Road Economic and Technical Development zone Dalian 116600 China Tel 86 411 8273 7777 Fax 86 411 8730 7560 e mail lixk amp Isis com cn Fax 82 2 2034 4648 LSIS Wuxi Co Ltd gt gt Wuxi China Address 102 A National High amp New Tech Industrial Development Area Wuxi J
8. Office gt gt Qingdao China Address 7B40 Haixin Guangchang Shenye Building B No 9 Shandong Road Gingdao 26600 P R China Tel 86 532 8501 6568 Fax 86 532 583 3793 e mail lirj lsis com cn LSIS NETHERLANDS Co Ltd gt gt Qingdao Netherlands Address 1st Floor Tupoleviaan 48 1119NZ Schiphol Rijk The Netherlands Tel 31 20 654 1420 Fax 31 20 654 1429 e mail junshickp lsis biz Specifications in this catalog are subject to change without notice due to LSIS Gurgaon Office Gurgaon India continuous product development and improvement Address 109 First Floor Park Central Sector 30 Gurgaon 122 002 Haryana India 2007 05 Load Break Switch E 2004 08 04 2007 05 Printed in Korea STAFF
9. al voltage 22 9kV distribution system LS and as an indoor installation type it is used in the leading in instruments and high voltage branch system of user side such as unit type transformer room general cubicle and panel protection of transformer and cable in transformer room condenser bank motor etc Type LGS L M 24 6 LGS L B 24 6 Break switch grade IEC E2 MI Rated voltage kV 24 Rated current A 630 Rated frequency Hz 60 Rated short time current resistant kA 20 A short input current KAp 97 Commercial frequency Inter earth kV 50 voltage resistant Inter polarity kV 60 Electroencephalo Inter earth kV 125 impulse voltage resistant Inter polarity kV 145 630A 30 Load current 31 5A 20 Loop current 630A 20 Current break times Cable charging 31 5A 10 current 9 45A 10 Line charging current 1 5A 10 Rated transition current A 500 Rated transition voltage Vdc 110 Rated transition current A 5 No voltage break times 1000 Operation Motor powered Manuol Non fuse kg 70 Weight Fuse kg 80 Note Above weight does not include fuse weight TRI W MEC Ordering Information Air Insulated Load Break Switch mw LS Load break Kind of break Control method Rated Rated Control Number of Composition Manual operation switch switch y Motor voltage kA current A power Auxi
10. iangsu 214028 P R China Tel 86 510 8534 6666 Fax 86 510 522 4078 e mail xuhg Olsis com cn e LSIS VINA Co Ltd gt gt Hanoi Vietnam E CHEONG JU PLANT Address Nguyen Khe Dong Anh Ha Noi Viet Nam Tel 84 4 882 0222 Fax 84 4 882 0220 e mail srjolsisvina com Cheong Ju Plant 1 Song Jung Dong Hung Duk Ku LSIS VINA Co Ltd gt Hochiminh Vietnam Cheong Ju 361 720 Korea Address 41 Nguyen Thi Minh Khai Str Yoco Bldg 4th Floor Hochiminh City Vietnam Tel 84 8 3822 7941 Fax 84 8 3822 7942 e mail sbpark lsisvina com LSIS Shanghai Office gt Shanghai China Address Room E G 12th Floor Huamin Empire Plaza No 726 West Yan an Road Shanghai 200050 P R China Tel 86 21 5237 9977 609 Fax 89 21 5237 7191 e mail jinhk amp Isis com cn e LSIS Beijing Office gt gt Beijing China Address B Tower 17FL Beijing Global Trade Center B D No 36 BeiSanHuanDong Lu DongCheng District Beijing 100013 P R China Tel 86 10 5825 6025 7 Fax 86 10 5825 6026 e mail cuixiaorong 9 Isis com cn e LSIS Guangzhou Office gt gt Guangzhou China Address Room 1403 14F New Poly Tower 2 Zhongshan Liu Road Guangzhou P R China Tel 86 20 8326 6764 Fax 86 20 8326 6287 e mail linsz Isis biz e LSIS Chengdu Office gt gt Chengdu China Address Room 1701 17Floor huanminhanjun international Building Not Fuxing Road Chengdu 610041 P R China Tel 86 28 8670 3101 Fax 86 28 8670 3203 e mail yangcf Isis com cn e LSIS Qingdao
11. ix it on to the panel pole and etc solidly so that the insulation distance from the earth may be spaced 3 In case of manual type others than a motor and a trip coil are same as those of electric one Attaching key Manual handle 17 Dimensions Unif mm Fuse combination type a ALL d EN dE tH a R EET Te USS ede tabata a aE a AU BRES a 1 1100 2 Hi 793 2 Attaching dimension 410 1 T ibd 1E3 Y TEL U dc real L g Si ep LBS single type e i i WE _J 013 N 597 2 557 2 690 2 653 2 793 2 d HE 2 Ed m jt z jo TS Attaching dimension Et fs ai AE oe 2 2 o j ZONE 116 98 5 SY 116 300 2 300 2 18 Coordination Graph FAU AU p 4 a fe gt l 21 I 1 1 B I 1 pi RUN o ee L 6 H 3 Characteristic curve of a secondary tof oes A RR NE circuit breaker or low voltage fuse NE i i Converted into the primary values use I I I 0 Eg 1 I Le AN i Me gt b Permissible overload TET MO characteristic curve of a transformer e Fr gt c Time Current characteristic curve of a Fuse ron Lo Eq l l i i i gt d Blow out characteristic curve of a Fuse Transfo
12. liary LBS single type cable Air LBS powered 24 24kV 6 630A D1 DC 110V switch Right 20 2 0mm L Vacuum B Manual D2 pc2200v 1 2a2b Euseonierioeia 10 1 0mm load type Al AC IOV 2 404b type Right 15 1 5mm A2 AC 220V LBS single EM omm 00 None type Left 26 2 6mm Mises Fuse interlocked 35 35mm type Left 00 None Note 1 Left attaching type of drive mechanism is separate order product See page 13 2 A power fuse is only available in DIN product Power Fuse LS power fuse General Modification nad load use No x Rated current Rated voltage 5A 10A 16A 20A 25A 30A 40A 50A 63A 20 24kV 11 External View we T Source side terminal SEIT Load side terminal Main contact fixed Main contact movable Arc contact fixed Arc contact movable m lt 1 T Er Arc extinction nozzle Insulation rod Puffer M Motor Base frame p Fuse clip Voltage trip device D Aux switch Connector 5 Counter Fuse trip device Fuse check switch 9 Manual operation cable Manual operation handle 12 Left amp right drive mechanism Easy input operation and trip operation through employing independently developed mechanism and capable of left amp right drive mechanism Standard type Left side attaching type Note Left side attaching type is a separate ordering product H
13. oltage is DC 110V Scope of Value of incoming Rated voltage operation voltage current wave Normal current Change fime V 7 A A sec DC 110V 85 110 3 2 7 5 Fuse check switch In case a fuse in fuse interlocked load break switch is melted as a contact to be operated mechanically through interlocking with a striker it is used in the display of fuse Note The capacity of contact is same as that of Aux switch Counter A device displaying the operating times of a break switch in application of 5 Digits Aux switch As a contact to be operated through interlocking mechanically according to ON OFF condition of main contact of a load break switch it is used in the display or control of condition of a load break switch Classification Resistance Inductive load load 440V 3A 1 5A CE AC 220V 5A 2 5A essel 110V 10A 5A DC 220V 5A 2 5A 110V 10A 5A Contact number AX2 AX4 2a2b 4a4b Control circuits 5 Auxiliary Switch P I I 4a 4b i Fuse Check on OFF 2a 2b Limit Switch O NS 7 N 3 1 5 34 36 38 50 22 24 26 28 F9 al 95 30 RY a RY a AUX a 8 5 31 14 1 344 364 384 50 22 424 426 428 COM Nc deed iuba sls ucl 13 2 2 359 37 aer 51 23 925 927 Y29 NO O6 AUX b 10 33 i RY a AUX a U 6f 329 AUX b 21 PM Pee EC 6 r I E d 1 2 6 35 37 39 51 23 25 27 29 F10
14. on gear and mechanism axis located at the side of base frame is equipped with a spring cap and lever and it takes a turn exercise of 360 counter clockwisely When a hook lever linked to the main axis of a switch takes an up down turn exercise a moving rod connects a main blade to and an arc blade in conduction part and disconnects them and opens a load circuit Inputting operation Inputting condition Advance in High Voltage Insulation PRESURE p CONTACT TRAVEL 100 CONTAC OPENING 50 PRESURE AT NO LOAD TIME IN Ms WINDOW FOR ARC EXTINCTION Puffer Type pressure time characteristics curves TRI y Installation Installation method Panel frame Panel frame Vertical installation Horizontal installation Cable installation by manual operation 127 100 130 CA y Wy Wi ai E Ch n UU TEL i H EE im Tt HA E i sy oak af S ER ais i Vertical installation zz 9 N RITTER 11 zm WEE EE attaching Manual Key handle pepo a ee 038 o a PANEL CUTTING Horizontal installation For cable attaching key Note 1 The length of the cable for remote manual operation is mounted on 2 0m basis 2 Fix the cable attaching key on to the distribution board frame with bolt amp nut Maintain the cable curve radius above R150 and f
15. orizon amp vertical installation of manual cable Capable of attaching 90 A turn of manual operation cable in case of manual type thereby minimizing distorting and twisting of cables by reducing the stress of remote operation flexible joint part depending upon attaching angle of LBS Manual operation cable Vertical mounted position Horizontal mounted position cy Vertical type Horizon type Manual operation cable and handle Note Manual operation cable is standard and in case of horizontal installation the use is possible through installation by changing cable kit with simple operation See manual 13 Accessories 14 Fuse trip device A device preventing the defect phase operation by opening a load break switch through interlocking mechanically with a striker at the fusing time Voltage trip device A coil for tripping remotely at the time of system accident or load break Control circuit Scope of Value of incoming rated voltage operation voltage Ud Normal current Trip time DC 110V 0 110 3 y 75 Manual operation device It is composed of manual operation cable and manual handle as a device used for manual ON OFF outside a panel and at far distance Manual operation cable can be mounted at 90 turn thus reducing the stress of cable when attaching it vertically or horizontally Electric operation device As advice for ON OFF of a load break switch at far distance the standard supply v
16. rmer DR E i oa i i l a T gt Operation characteristic curve of a Fuse eo he ll ape eee TENE DE I I 1 I i I 1 1 Circuit breaker Time E E Fa D NES or low voltage fuse E E I I 1 I Ua 1 1 I I 1 I 1 1 a ae La Eq I I 1 I 1 1 Full load current of a transformer EE 1 E I I 2 The lowest interrupting current of the ed y Fog AAT secondary circuit breaker NEUE i 2 NUES G Permissible overload current of a transformer M NE i N t I G Rated current of a fuse S NE i 1 TEE I I I G Lowest blow out current of a fuse E ee Lowest interrupting current of a fuse root Ua Inrush current at no load of a transformer Y 660 Current Secondary short circuit current A Reais ver Gal ardi Permissible overload current time of a transformer Ra RD SIO B Permissible overload characteristic of a transformer Operation characteristic curve of a Fuse a secondary circuit breaker C inrush current and time at no load of a transformer Primary short circuit current Rated interrupting current of a fuse When any protection device is not installed in the secondary of a transformer Permissible overload current of a transformer point must lie to the left of the curve time current characteristic curve of a Fuse Full load current of a transformer lt Rated current of a fuse Point C inrush current and time at no load of a transformer must lie to the left of the point
17. t it is 10 times as full load of transformer for 0 1 sec A fuse rated current was selected so that 1 5 times as a transformer rated current may be flowed continuously A transformer fuse was selected on the assumption that it is broken within 2 secs in 25 times as a transformer rated current when the secondary current is short Motor protection e t is assumed that the inrush current of a motor is 5 times of full load current for 10 seconds Condenser protection e It is assumed that the inrush current of a capacitor is 71 times of its rated current for 0 002 second The rated current of a fuse is selected to carry continuously the current of 1 43 times of rated current of a capacitor The above mentioned comments are according to KS Korean Industrial Standard and subject to the real situation Application Comdenser Transformer load kVA Dimensions mm G type load kVA Application holder Model Single phase Three phase Three phase A B LFL 20G 5B 20 43 36 75 460s MES LFL 20G 10B 43 90 75 157 46 83 E LFL 20G 16B 87 180 151 313 64 172 _ p LFL 20G 20B 99 206 172 358 83 203 LFL 20G 25B 130 269 224 466 193 272 LFL 20G 30B 149 310 258 538 203 317 LFL 20G 40B 267 557 464 965 317 425 442 77 LFH 20G D2HB LFL 20G 50B 345 719 598 1 246 425 564 LFL 20G 60B 430 897 745 1 554 564 710 a LFL 20G 75C 580 1 145 1 000 1 983 710 1 021 E LFL
18. tage fuse should meet the above mentioned requirements to each branch circuit Another medium voltage protection device is required for the ensured protection against the fault happening between the secondary protection devices and the internal short circuit of a transformer in the zone of 3 4 5 19 Power Fuse Applied power fuse LS Prime MEC Power Fuse is used for protecting circuits and system instruments by severe accident current and in general for protecting transformer circuits condenser circuits motor circuits etc The silver is used in elements and through using high quality silica and ceramic magnetic rod and insulating tube the safety and reliability of the product has been improved remarkably The cautions in applying Fuse A fuse has to be selected only for protecting a short circuit accident Overcurrent can not be protected A fuse can not use again after operation A proper rated current shall be selected so that a fuse action may not be damaged e The most suitable rated current shall be selected in consideration of the fuse use and circuit features since the fuse operation features are fixed according to respective ones e t is recommended that the protection be made from other instruments under minimum breaking current and a proper rated fuse incapable of fuse operating shall be selected In case of protecting an overload field under minimum breaking current a lower fuse in minimum breaking
19. the development test strictly in accordance with New Standard IEC 62271 105 Switch Fuse and 60265 1 Load Break Switch e KERI type test in application of IEC New Standard Approved by KOLAS Global key technology accumulation through self zz Power Testing amp zw Technology Institute development test and analysis by PT amp T of public test institute Compact amp space saving design 3 phase collective operation Application with combustion resistant and high strength engineering GU ic at Sessa Compressed air mode arch extinction KER Senne e Break switch fuse combination 24kV 25kA switching 40kA max e Fuse striker automatic trip DIN 43625 TRI Y MEC The Highest Performance _ in Domestic Market ict has succeeded in passing electrical performance ith New Standard E2 test grade The performance of this new standard product has been improved by 300 in comparison with old standard one through passing the load break test in application of IEC 60265 1 and an excellent performance has been verified successfully by completing the load break test in application of E2 grade intensified further than new standard E1 grade e Load break 100 times No load break 1000 times Having been passed recently in the transition current test in accordance with modern international standard 62271 105 this product has increased the reliability sufficiently in application of self developed power fuse IEC 6
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