Current Transformers and accessories for Telstar CT
Important note:
None of these products are sold by smart-me AG or offered as accessories at the time of purchase. Please buy these products directly from the manufacturer.
Below you will find a list of product recommendations. smart-me does not earn any money from the recommended products and provides no warranty for them. You can use other products at any time. Always make sure that they meet the requirements of the respective product, in this case the 3-Phase Meter Telstar CT.
The aim of these recommendations is to give our partners an easy and efficient way to find specific products when they do not yet know a suitable one.
Calibrated current transformers for billing purposes
If the meters are to be used for billing, you need calibrated transformers that meet at least accuracy class 0.5 or better.

Country of sale: Switzerland
Intended use: billing purposes
Type: closed current transformer, calibrated
- Pfiffner TGH1 / TGK1 Series
- Pfiffner TSC 1-8 Series
Source: pfiffner-group.com
Suppliers
Pfiffner direct · Mr Samuel Gloor
+41 62 739 29 19 · msns@pmw.ch
Calibration for billing purposes
Calibration must be specifically requested or specified when ordering.

Country of sale: Switzerland
Intended use: billing purposes
Type: closed current transformer, calibrated
- Hager 300K05G
- Hager 600K05G
Source: hager.com
Suppliers
Hager direct
+41 41 269 90 00 · emmenbruecke@hager.com
Calibration for billing purposes
Calibration must be specifically requested or specified when ordering.

Country of sale: Germany
Intended use: billing purposes
Type: closed current transformer, calibrated
- Redur Regulus Series
Source: redur.de
Calibration for billing purposes
Calibration must be specifically requested or specified when ordering.
Current transformers for monitoring purposes

Country of sale: Switzerland
Intended use: monitoring
Type: open current transformer
- Optec RX series, open
- Optec KUW series (split-core)
- Optec SC-CT series (split-core)
Supplier
Optec online shop
Source: optec.ch

Country of sale: Switzerland
Intended use: monitoring
Type: closed current transformer
- Optec RX series, closed
Supplier
Optec online shop
Source: optec.ch

Country of sale: Germany
Intended use: monitoring
Type: closed current transformer
- Redur Regulus Series
Source: redur.de

Country of sale: Germany
Intended use: monitoring
Type: open current transformer
- Redur RSC Series
Source: redur.de
Instrument transformer disconnect terminals
To replace a meter easily, even during operation, you can use instrument transformer disconnect terminals. They allow you to short-circuit the transformer outputs so that the transformers are not damaged when the meter is replaced.

Type: DIN rail mounted
- Phoenix Contact PTME 4
Source: phoenixcontact.com
Suppliers
Phoenix Contacts