3EP6 porcelain surge arrester

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1 3EP6 porcelain surge arrester Safe, reliable, long-lasting, and stable Answers for energy.

2 Compact design high mechanical stability Sealing system Spring Maximum values 3EP6 Nominal system voltage Un 500 Highest voltage for equipment Um 550 Maximum rated voltage Ur 468 Maximum nominal discharge current In ka 20 Maximum line discharge class 5 Maximum energy absorption capability kj / r 14.0 Maximum long duration current impulse A 2,000 Rated short-circuit current Is ka 65 Specified short-term load SSL (Mdyn) knm 16.0 Directional pressure relief device Metal oxide blocks Preheating to 60 C and stressed with energy acc. to line discharge class Porcelain housing p.u. Ur ,000 t / s Table 1: IEC power-frequency voltage vs. time (U-t) characteristic (TOV) 3EP6 porcelain-housed surge arrester Experience is most essential when it comes to reliability in medium and high-voltage applications. Since 1929 Siemens has been manufacturing high-voltage surge arresters with porcelain housing for standard and specialized applications. Permanent research and development and the concerted know-how in the Siemens factory give 3EP6 surge arresters a leading edge in overvoltage protection. Uncompromising quality ensures the long service life and reliability of each application. In general, Siemens arresters are used to protect high-voltage equipment in substations, such as transformers, circuit breakers, and bushings, for example. However, apart from the area of standard applications, Siemens offers the 3EP6 surge arresters for any application up to 550 including special applications such as high-voltage direct current (HVDC) systems or all kinds of compensation systems for electric power networks. Furthermore, Siemens surge arresters have been designed to meet the requirements of a wide range of common installation environments, from arctic cold to the heat of the desert and the dampness of tropical climates. Advantages of 3EP6 surge arresters Excellent overvoltage protection and large worldwide experience High mechanical stability For networks with short-circuit currents of up to 65 ka Maximum protection in case of overload through directional pressure relief device Decades of trouble-free service life without failures or ingress of moistures thanks to the excellent sealing system Suitable for system voltages of up to 550 Brown or gray porcelain designs The following table shows the order numbers of the 3EP6 standard porcelain surge arrester. For additional options/ specifications just contact Siemens or your nearest Siemens partner. We can supply arresters with higher rated voltages and continuous operating voltages, with higher or lower residual voltages, and with longer or smaller creepage distances are also available. 2

3 3EP6 order numbers Data position Order number 3 E P 6 x x x 2 P F D A 1 - Z Porcelain-housed surge arrester 3 E P 6 Bending moment 16 knm Rated voltage in x x x Long duration current impulse, energy absorption capability I 2ms = 1,100 A, E th = 8 kj/ r, line discharge class I 2ms = 1,600 A, E th = 10 kj/ r, line discharge class I 2ms = 2,000 A, E th = 14 kj/ r, line discharge class Application Phase surge arrester P Neutral point surge arrester S Housing size, creepage distance, number of units Height = 1,459 mm, creepage distance = 4,505 mm, 1 unit D 1 Height = 1,749 mm, creepage distance = 5,809 mm, 1 unit F 1 Height = 1,869 mm, creepage distance = 6,335 mm, 1 unit G 1 Height = 2,189 mm, creepage distance = 7,668 mm, 1 unit J 1 Height = 2,918 mm, creepage distance = 9,010 mm, 2 units D 2 Height = 3,208 mm, creepage distance = 10,314 mm, 2 units N 2 Height = 3,328 mm, creepage distance = 10,840 mm, 2 units P 2 Height = 3,498 mm, creepage distance = 11,618 mm, 2 units F 2 Height = 3,738 mm, creepage distance = 12,670 mm, 2 units G 2 Height = 3,938 mm, creepage distance = 13,477 mm, 2 units R 2 Height = 4,058 mm, creepage distance = 14,003 mm, 2 units S 2 Height = 4,378 mm, creepage distance = 15,336 mm, 2 units J 2 Height = 5,247 mm, creepage distance = 17,427 mm, 3 units F 3 Height = 5,607 mm, creepage distance = 19,005 mm, 3 units G 3 Form of sheds and colour of porcelain Alternating sheds, brown porcelain 2 Alternating sheds, gray porcelain 4 High-voltage terminal Metal plate A Bolt, 30 mm diameter, 80 mm length, hot-dip galvanized steel C Bolt, 30 mm diameter, 80 mm length, stainless steel D Bolt, 40 mm diameter, 80 mm length, stainless steel G Bolt, 40 mm diameter, 120 mm length, stainless steel J Flat DIN terminal, 200 x 100, hot-dip galvanized steel M Flat DIN/NEMA terminal, 40 x x 50, copper R Flat DIN/NEMA terminal, 40 x x 50, aluminum T Flat DIN/NEMA terminal, 40 x x 50, hot-dip galvanized, horizontal V Flat DIN/NEMA terminal, 40 x x 50, hot-dip galvanized steel X Flat DIN/NEMA terminal, 40 x x 50, stainless steel Y Flat terminal, 4x D=16, aluminum Z P5A Nameplate German/English (standard) A French B Czech C Slovene D Russian E Spanish F Portuguese G US-IEEE H Arabian R Chinese S Brazilian T CFE (Mexico) U Mounting 4-hole, grounded, 240 mm x 240 mm 0 4-hole, insulated, 240 mm x 240 mm 1 4-hole, insulated, 310 mm x 310 mm 3 Accessories Eyebolt ground terminal - Z D92 NEMA ground terminal, stainless steel - Z D93 NEMA ground terminal, copper - Z D94 3

4 Highest voltage for equipment Rated voltage Continuous operating voltage Line discharge class Long duration current 2 ms Maximum values of the residual voltages at discharge currents of the following impulses Arrester type U m 123 Impedance earthed Ur U c LD-Cl A 0.5 ka 1 ka 2 ka 3 ka EP P D 3 1-2XA EP P D 4 1-2XA EP P D 3 1-2XA EP P D 3 1-2XA EP P D 4 1-2XA1 5 ka 10 ka 15 ka 20 ka 40 ka EP P D 3 1-2XA EP P F 3 1-2XA EP P D 4 1-2XA EP P F 4 1-2XA EP P D 3 1-2XA EP P F 3 1-2XA EP P D 4 1-2XA EP P F 4 1-2XA EP P D 3 1-2XA EP P F 3 1-2XA EP P D 4 1-2XA EP P F 4 1-2XA EP P D 3 1-2XA EP P F 3 1-2XA EP P D 4 1-2XA EP P F 4 1-2XA Neutralground arresters EP P F 3 1-2XA EP P G 3 1-2XA EP P J 3 1-2XA EP P F 4 1-2XA EP P G 4 1-2XA EP P J 4 1-2XA EP P F 3 1-2XA EP P G 3 1-2XA EP P J 3 1-2XA EP P F 4 1-2XA EP P G 4 1-2XA EP P J 4 1-2XA EP P N 3 2-2XA EP P N 4 2-2XA EP P F 3 1-2XA EP P G 3 1-2XA EP P J 3 1-2XA EP P F 4 1-2XA EP P G 4 1-2XA EP P J 4 1-2XA EP S D 3 1-2XA EP S D 4 1-2XA EP P G 3 1-2XA EP P J 3 1-2XA EP P N 3 2-2XA EP P G 4 1-2XA EP P J 4 1-2XA EP P N 4 2-2XA EP P J 3 1-2XA EP P N 3 2-2XA EP P J 4 1-2XA EP P N 4 2-2XA1 Other versions available on request

5 Height [H] Number of units Housing insulation Creepage distance Specified short-term load SSL (Fdyn) Specified long-term load SLL (Fstat) Grading ring diameter [D] Weight Flashover distance Figure mm Lightning impulse withstand voltage 1.2/50 µs Switching impulse withstand voltage 250 µs/2,500 µs, wet Power frequency withstand voltage 1 min., wet mm N N mm kg mm A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A B B A A A A A A A A A A B A A B A B A B 5

6 Highest voltage for equipment Rated voltage Continuous operating voltage Line discharge class Long duration current 2 ms Maximum values of the residual voltages at discharge currents of the following impulses Arrester type U m 363 Ur U c LD-Cl A 0.5 ka 1 ka 2 ka 3 ka EP P J 3 1-2XA EP P N 3 2-2XA EP P F 3 2-2XA EP P J 4 1-2XA EP P N 4 2-2XA EP P F 4 2-2XA EP P J 5 1-2XA EP P N 5 2-2XA EP P F 5 2-2XA EP P D 3 2-2XA EP P N 3 2-2XA EP P F 3 2-2XA EP P D 4 2-2XA EP P N 4 2-2XA EP P F 4 2-2XA EP P J 5 1-2XA EP P N 5 2-2XA EP P F 5 2-2XA1 5 ka 10 ka 15 ka 20 ka 40 ka 420 Neutralground arresters EP P P 3 2-2XA EP P R 3 2-2XA EP P F 4 2-2XA EP P R 4 2-2XA EP P P 5 2-2XA EP P R 5 2-2XA EP P G 3 2-2XA EP P R 3 2-2XA EP P G 4 2-2XA EP P R 4 2-2XA EP P J 4 2-2XA EP P G 5 2-2XA EP P R 5 2-2XA EP P J 5 2-2XA EP S D 3 1-2XA EP S D 4 1-2XA EP P R 4 2-2XA EP P S 4 2-2XA EP P F 4 3-2XA EP P R 5 2-2XA EP P S 5 2-2XA EP P F 5 3-2XA EP P J 4 2-2XA EP P F 4 3-2XA EP P G 4 3-2XA EP P J 5 2-2XA EP P F 5 3-2XA EP P G 5 3-2XA EP P F 4 3-2XA EP P G 4 3-2XA EP P J 5 2-2XA EP P F 5 3-2XA EP P G 5 3-2XA EP P F 4 3-2XA EP P G 4 3-2XA EP P F 5 3-2XA EP P G 5 3-2XA1 Other versions available on request

7 Height [H] Number of units Housing insulation Creepage distance Specified short-term load SSL (Fdyn) Specified long-term load SLL (Fstat) Grading ring diameter [D] Weight Flashover distance Figure mm Lightning impulse withstand voltage 1.2/50 µs Switching impulse withstand voltage 250 µs/2,500 µs, wet Power frequency withstand voltage 1 min., wet mm N N mm kg mm A B B A B B A B B B B B B B B A B B B B B B B B B B B B B B B B A A B B C B B C B C C B C C C C B C C C C C C 7

8 Figure A Figure B Figure C High-voltage terminals DIN/NEMA terminal DIN double terminal Metal plate Bolt terminal 8

9 Standard mounting plates 3EP6 grounded, 240 x 240 mm 3EP6 insulated, 240 x 240 mm 3EP6 insulated, 310 x 310 mm 9

10 Mounting plates with accessories 3EP6 grounded, 240 x 240 mm; with Nema ground terminal 3EP6 grounded, 240 x 240 mm; with eye-bolt terminal 3EP6 insulated, 240 x 240 mm, with Nema ground terminal 3EP6 insulated, 240 x 240 mm; with eye-bolt terminal 3EP6 insulated, 310 x 310 mm, with Nema ground terminal 3EP6 insulated, 310 x 310 mm; with eye-bolt terminal 10

11 Monitoring devices Arrester condition monitor (ACM) basic Order number: 3EX Arrester condition monitor (ACM) advanced Order number: 3EX Order number: 3EX5 085 (USB wireless module) Surge counter Order number: 3EX5 030 Surge counter with leakage current meter Order number: 3EX5 050 Other monitoring devices available on request 11

12 Published by and copyright 2012: Siemens AG Energy Sector Freyeslebenstrasse Erlangen, Germany Siemens AG Energy Sector Power Transmission Division High Voltage Products Nonnendammallee Berlin, Germany Please contact us at: Phone: Fax: Order No. E50001-G630-A213-X-4A00 Printed in Germany Dispo 30002, c4bs No fb 4655 WÜ WS Printed on elementary chlorine-free bleached paper All rights reserved. Trademarks mentioned in this document are the property of Siemens AG, its affiliates, or their respective owners. Subject to change without prior notice. The information in this document contains general descriptions of the technical options available, which may not apply in all cases. The required technical options should therefore be specified in the contract.

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