Current Transformers for Telstar CT

Important note:
None of these accessories is supplied by smart-me, please follow the links to order from the certain distributors or manufacturers.

A wide variety of current transformers can be used with the Telstar CT.

The basic requirements are as follows:

  • Current transformer ratio: 1: 1 to 20,000: 1 or 5: 5 to 20,000: 5

  • Output current: 1A or 5A

  • Output power: at least 1VA or higher

  • Type: open or closed

  • Accuracy class: 1 or better


For billing purposes:

  • For billing purposes, calibrated converters are required and must meet at least class 0.5 or better. This is achieved "almost" exclusively with closed type current transformers.

open current transformer


monitoring


Optec Stromsensoren


Website:

https://www.optec.ch

  • RX- Serien clamp on type

  • KUW-Serien (clamp on)

  • SC-CT-Serien (clamp on)


Possible place to order:

  • Optec online shop




closed current transformer


monitoring


Optec Stromsensoren


Website:

https://www.optec.ch

  • RX-Serien clossed types




Possible place to order:

  • Optec online shop

calibrated closed current transformer

billing


Pfiffner TGH / TGK Series


Website:

https://www.pfiffner-group.com


  • TGH1 / TGK1 Series

  • TSC 1-8 Series


Possible place to order:

  • Pfiffner Messwandler directly

Contact: Herr Samuel Gloor
Email:
msns@pmw.ch
Tel: 062 739 29 19

Calibration for billing:

The calibration must be asked when ordered to ensure they will carry the certificate!


Downloads Optec and Pfiffner

Optec_Stromwandler_Prospekt_DE-22.pdf
TGH_TGK_datasheet_Broschuere.pdf
TSC_datasheet_Broschuere.pdf

Other accessories

3212139_PhoenixContact_PTME4_English.pdf

CT Disconnect Terminals

To easily replace a meter without redoing all the connections a disconnect terminal can be of great help.

They are able to shortcut the CT outputs easily to not damage them while replacing the meter.

For DIN mounting the Phoenix contact PTME 4 is an option.


Website: www.phoenixcontact.com


Possible place to order: