ALPHA Elektrotechnik AG

Pluggable terminations CCS and ESF-S

CCS cable termination

The CONNEX Connection System is a dry pluggable cable termination for cable to cable connections of all kind. The connectors on the equipment-side are designed to meet EN 50180, 50181, and DIN 47637. The plug is suitable for all kinds of insulated cables.

ESF-S cable termination

The ALPHA cable termination ESF type S is a dry, pluggable cable termination made of a CCS-plug. It consists partly of prefabricated, slip-on silicone rubber plug and partly of a silicone rubber insulator bushing with a flange for mounting. The use of a pluggable silicone rubber termination is ideal for all applications to separate the power cable and its connection. In the rolling stock business this is often required for transformer cables which lead to a removable roof. The tested and applied silicone rubber material complies with all electrical, mechanical and also thermal requirements of the cable.

  • Cable cross-section 50 – 240 mm²
  • Temperature range from –55 °C to +130 °C.
  • Both, ESF-S and CCS satisfy the requirements of the fire protection standard EN 45545-2:2013.
  • Routine test of all assembled cables: AC/DC voltage withstand test according to the standard DIN EN 50124-1:2006-04 and partial discharge test according to the standard IEC 60270:2000 (<10 pC for each assembled cable).
  • Maintenance free ESF-S and CCS cable termination guarantees low life-time costs.




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  • Parts of railway or tramway locomotives or rolling stock; railways traffic-control equipment
  • Repair, maintenance and associated services related to railways and other equipment
  • Swissrail Industry Association
  • Taubenstrasse 32
  • CH-3011 Bern

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