Siemens Safety for All Applications and All Speeds - User's Guide and Instructions

Summary

Protect vital power systems with Siemens' high-reliability surge arresters. This catalogue details our complete range of overvoltage protection solutions designed for railway applications and general electrical infrastructure worldwide. It provides expert guidance on specialized product lines (3EB, 3EC) and standard options, covering voltages from 300V up to 800kV AC/DC. Essential reading for engineers and utility professionals needing reliable surge defense for locomotives, substations, transmission lines, and high-speed rail systems.

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Safety for all applications and all speeds Surge arresters for railway systems

Answers for energy.

Page Summary Contents For Siemens Safety for All Applications and All Speeds - User's Guide and Instructions

Page 1 Safety for all applications and all speeds Surge arresters for railway systems Answers for energy.

Page 2 Surge arresters from Siemens Quality and reliability for all applications This catalogue features the complete range of Siemens surge arresters for railway applications. Detailed information about the...

Page 3 Reliable overvoltage protection For railway power supply systems and electric motive power units Nominal Voltage Umax1 (V) 900 1 800 3 600 17 250 27 500 Umax2 (V) 1 000 1 950 3 900 18 000 29 000 Umax3...

Page 4 3ES 3EB4 3EP3EB1 Generator Transformer Neutral point Arrester for Substation protection protection arrester rolling stock protection 3EE2 3EP 3EP 3EB1 3EL 3EL 3EL 3EB4 3EQ 3EQ 3EQ 3EC3 3EP 3ES 3ES

Page 5 3EL 3EC3 3EB2 Surge arresters from Siemens play a vital part in the reliability of today’s power trans- mission and distribution systems at all volt- age levels, including generators, transform- ers, ...

Page 6 The best choice for every application il ay 3EK, 3EL, 3EB1 3EB4 3EB2 3EC3 le ct ri fi ca ti 3EP, 3EQ AC DC AC* DC DC DC AC Rolling Stock – High Speed Rolling Stock – medium and low speed Public access...

Page 7 A1 – A2 surge arrester concept A1 – A2 surge arrester concept according to VDV 525 Recommendation for applications in DC systems The “Verband deutscher Verkehrsunternehmen Protecting supply and return...

Page 8 3EB2 or 3EC3 – surge arresters for DC applications 3EC33EB2 The 3EC3 surge arrester can be used in DC supply systems, either in stationary applications or on vehicles. For use in accordance with Recom...

Page 9 Reliable and safe – railway surge arresters 3EB1 and 3EB4 Ra ilw ay El ec tr if ic a t io AC DC Rolling Stock – High Speed Rolling Stock – medium and 3EB4* 3EC3 low speed Public access areas (station ...

Page 10 Railway surge arresters from Siemens: the right solution for every travel speed Speed in km/h 160 km/h 250 km/h 360 km/h 3EB13EB4 3EB13EB4 3EB13EB4 The wind tunnel reveals the differences The more rig...

Page 11 3EB1 and 3EB4 – surge arresters for DC and AC applications 3EB1 3EB4 Surge arresters for DC applications Arrester data Nominal Maximum Maximum values of the residual voltages system Type continuous En...

Page 12 Published by and copyright © 2008: Siemens AG Energy Sector Nonnendammallee 104 13629 Berlin, Germany For more information, contact our Customer Support Center. Phone: +49 180/524 70 00 Fax: +49 180/5...

Manual Details

Brand	Siemens
Pages	12
File Size	454.32 KB
Published	June 01, 2026

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Frequently Asked Questions

What voltage range can these surge arresters protect?

They offer optimum protection from 300 V up to 800 kV AC and DC, covering many different environmental conditions.

Can the arresters be used for both fixed installations and rolling stock?

Yes; units are available for fixed installation (like substations) as well as specialized models for use on rolling stock and high-speed services.

What types of housings and standards exist within the product lines?

Product lines include porcelain, glass fiber reinforced plastic (GFRP), and silicone housing materials, catering to different service life requirements.