TCM/25-EF
Outdoor AC Current Transformer

The TCM/25-EF is a transformer suitable to measure line currents absorbed by traction units. It can operate at AC currents up to 400 A (50 Hz).

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Product environment

The TCM/25-EF is a transformer suitable to measure line currents absorbed by traction units. It can operate at AC currents up to 400 A (50 Hz) and has to be installed on the roof of railway traction vehicles.

This device provides two analog outputs, corresponding to two different internal cores. Accuracy for the energy measurement winding is 0.5 R, as required from the EN50463:2017 standard.

TCM can be delivered as a stand-alone device for rooftop installation by car builders and operators. It can also be provided as part of Sécheron Hasler Group’s comprehensive Energy Management System, which also includes the REM102 Energy Meter with DHS and DCS.

All of our products are backed by HaslerRail experts, who provide recommendations and support throughout the project lifecycle, and Sécheron Hasler Group’s worldwide network of service locations for assistance throughout the product lifetime.

Technical Data
  • Insulation level 36/70/170 kV
  • Ith=16 kA/1s, Idyn=2,5 Ith
  • Creepage distance: 860 mm
  • Accuracy class 0.5R
  • Protection degree IP67
  • Dimensions(L,H,D): 410, 495, 250 mm
  • Weight: 30 kg
  • Operating ambient temperature: -25 °C +55 °C
  • Reference standards: EN 50463-2 / IEC 62888-2
  • Insulation material according to EN 45545-2
Documentation
TBC
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Main Benefits

Long service history
EN50463 Certified
Suitable for traction and energy billing
Passive device
Expert customer support
Worldwide after-sales service

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