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Overview

Creepage extenders are sealed to porcelain or glass insulators, driving the high leakage currents found in polluted areas around the edge of the extender’s skirt. Each extender adds 6” (150 mm) for HVCE-WA  and 3.9"" (100mm) for HVCE of creepage to the insulator’s existing creepage distance, reducing the electric stress. They also improve insulator or bushing performance by changing the overall shape to a staggered shed profile. 
TE Connectivity creepage extenders have no upper voltage limit. TE Connectivity offers 2 types of creepage extenders in its portfolio. 
HVCE is a range of heat shrink creepage extenders that can be recovered across a typical 20-40 mm diameter, allowing for diameter and profile range taking. 
HVCE-WA is a range of cold-applied wraparound creepage extenders that can be installed on equipment without disconnection. This considerably reduces installation time in situations where heavy metal work or complicated connection geometry makes disconnection of the insulator or bushing difficult. Cold-applied wraparound creepage extenders work the same way as conventional extenders but leave a gap where the extender has stretched open, allowing it to wrap around the porcelain or glass skirt it is installed on.

Key Features

  • Increases flashover withstand
  • Reduces electrical stress
  • Custom design
  • Range taking Heat Shrink Designs
  • Cold Applied Wrap Around Designs
  • REACH and RoHS Complaint
FAQ

Question: Can creepage extenders be installed on equipment without disconnecting it?

Answer: Yes. Wrap Around Creepage Extenders (HVCE-WA) are cold-applied and can be installed on equipment without requiring disconnection.

 

Question: How much additional creepage do these products provide when applied?

Answer: Wrap Around Creepage Extenders (HVCE-WA): Provide 150 mm of additional creepage. Heat Shrink Creepage Extenders (HVCE): Provide 100 mm of additional creepage.

 

Question: How many creepage extenders do I need to improve my insulator or bushing pollution rating?

Answer: TE Connectivity typically recommends installing enough creepage extenders to increase the effective creepage distance by at least 20%. This can improve the pollution class rating by one classification according to IEC 60815.

 

Question: Do HVCE and HVCE-WA products require any special maintenance or inspection?

Answer: No. HVCE and HVCE-WA products can be maintained the same way as the equipment they are installed on, including routine cleaning and inspection.

 

Question: What voltage are HVCE and HVCE-WA products rated for?

Answer: HVCE and HVCE-WA products are not rated for a specific voltage. Once installed, they effectively become an integral part of the insulator or bushing and are therefore applicable across a wide range of voltage levels.

Features

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

Product Type Features

  • Installation Technology  Cold Shrink

Body Features

  • Primary Product Color  Red

  • Compatible Insulator Type  Disc Insulator | Post Insulator

Dimensions

  • Insulator Outside Skirt Diameter Range (mm) 175 | 206 | 216 | 221 | 226 | 227 | 234 | 244 | 248 | 251 | 255 | 267 | 271 | 281 | 287 | 292 | 303 | 323 | 326 | 336 | 341 | 348 | 349 | 356 | 364 | 372 | 377 | 381 | 392 | 393 | 407 | 413 | 421 | 440 | 457 | 463 | 488 | 501 | 611

  • Insulator Outside Skirt Diameter Range (in) 6.9 | 8.11 | 8.5 | 8.7 | 8.9 | 8.94 | 9.21 | 9.61 | 9.76 | 9.88 | 10.04 | 10.51 | 10.67 | 11.06 | 11.3 | 11.5 | 11.93 | 12.72 | 12.83 | 13.23 | 13.39 | 13.7 | 13.74 | 14.02 | 14.33 | 14.5 | 14.65 | 14.84 | 15 | 15.47 | 15.98 | 16.26 | 16.54 | 17.32 | 18 | 18.23 | 19.21 | 19.72 | 24.05

Usage Conditions

  • Installation Condition  De-Energized Required

Operation/Application

  • Compatible Equipment  Bus Bar | Conductors/Leads | Insulators/Bushings | Terminations

  • Contaminant Type Mitigated  Rain / Ice / Snow | Salt Fog / Marine Pollution

Related Materials

Datasheets & Catalog Pages