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The Distribution Over Voltage (DOV) surge arresters have been designed and tested to meet our customers tough environmental conditions. TE’s Bowthorpe EMP DOV surge arresters tests were carried out under the supervision of independent and accredited european test laboratories to meet the requirements of the latest edition of the IEC 60099-4 standard. These products are the latest gapless, zinc oxide surge arresters family from TE’s Bowthorpe EMP range. The DOV arresters are manufactured using high quality ZnO varistors, which display excellent thermal and current handling characteristics due to the guaranteed homogeneity of the varistor volume. The DOV surge arrestor’s crimped structural construction ensures lightweight product with optimal mechanical strength. The manufacturing process ensures void free construction and optimum interface sealing. This is achieved by bonding the silicone housing directly to the ZnO discs and aluminium end fittings using a special bonding solution. Applications include protection of medium voltage networks and equipment from switching and lightning surge related over-voltages in areas with relatively high iso-keraunic levels. Suitable for both outdoor and indoor use to protect transformers and cable terminations.


  • Directly molded housing prevents moisture ingress
  • Safe non-shattering short circuit behavior to higher current levels
  • Cage design
  • Type Tests are independently verified in accordance with IEC60099-4, Ed 3.0 (2014)
  • Alternating sheds for best pollution flash over resistance
  • Hydrophobic silicone housing for outdoor use
  • Excellent operating performance & long service life



Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Technology  Cage Design

  • Surge Arrester Class  DH

  • Shed Profile  Alternating

  • Product Family  DOV

Configuration Features

  • Termination Stud Thread  M12

Electrical Characteristics

  • Residual Voltage (Nominal Current) (kV) 36.6, 45, 63, 67.5, 72, 81, 90, 108

  • Short Circuit Current (kA) 20

  • Continuous Operating Voltage (Uc) (kV) 12, 16.8, 17.6, 19.2, 21.6, 24, 28.8, 9.6

  • Qrs (C) .4

  • Voltage Rating (Ur) (kV) 12, 15, 21, 22, 24, 27, 30, 36

  • Discharge Current (Nominal) (kA) 10

  • Flashover Voltage (kV) 117, 140.4, 47.57, 87.7, 97.5

  • Impulse Voltage 1.2/50µs (Positive) (kV) 169, 185, 203, 230, 243

  • Steep Lightning Impulse Current – 1/20µs @ 10kA (kV) 118.8, 40.3, 49.5, 69.3, 74.3, 79.2, 89.1, 99

Body Features

  • Color  Grey

Mechanical Attachment

  • Cantilever Strength -SSL (kN) 225


  • Shed Inside Diameter (mm) 103, 93

  • Shed Inside Diameter (in) 3.7, 4.1

  • Height (mm) 160, 229, 258, 298, 304

  • Creepage Distance (mm) 405, 697, 817, 945, 1128

  • Creepage Distance (in) 15.9, 27.4, 32.2, 37.2, 44.4

  • Shed Outside Diameter (mm) 104, 120

Usage Conditions

  • Power Frequency Withstand (Wet) (kV) 103, 46, 72, 87, 98


  • Application Type  Distribution Line

  • Free of Lead, Cadmium, Heavy Metals  Yes

Product Availability

  • Product Availability  Worldwide

  • Minimum Order Quantity  3

Packaging Features

  • Minimum Packaging Unit  3

Related Materials

Datasheets & Catalog Pages

Terms and Conditions

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This information has been provided to your free of charge for your use but remains the sole property of TE Connectivity Corporation (''TE'') or SnapEDA,  Inc. or Ultra Librarian/EMA Design Automation, Inc. (collectively, "Company"). While Company has used reasonable efforts to ensure its accuracy, Company does not guarantee that it is error-free, not makes any other representation, warranty, or guarantee that the information is completely accurate or up-to-date. In many cases, the CAD data has been simplified to remove proprietary detail while maintaining critical interface geometric detail for use by customers. Company expressly disclaims all implied warranties regarding this information, including but not limited to any implied warranties or merchantability or fitness for a particular purpose.