AE · Transformers & dimmerstats
AE Resin Cast CTs and PTs (Low Tension to Medium Voltage)
Price on enquiry
Tapewound and resin cast current and potential transformers for metering, protection and special applications, low tension to medium voltage.
Sankalp Electricals is an authorised dealer of Automatic Electric Ltd. (AE). AE products carry AE’s normal warranty of 18 months from supply or 12 months from commissioning, whichever is earlier.
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Key features
- Tapewound ring type CTs with and without mounting or sealing arrangements
- Resincast (epoxy) BPL and wound primary (WPL) CTs
- Bushing CTs (fibreglass taped) for use in oil
- Low tension PTs in ratios from 1100/110 V to 50/75 V, burdens up to 100 VA
- Protection class PS (class X) CTs for differential and bus coupler protection
- Portable CTs with class 0.2 accuracy for metering and testing
Applications
- Earth fault detection with core balance CTs
- Differential protection schemes (interposing and class PS / X CTs)
- Electricity Board metering with ABS cased sealable CTs
- Transformer manufacturers (bushing CTs)
Technical specifications
| Tapewound | Ring type CTs; ring type CTs with sealing arrangements; wound primary CTs (WPL) |
|---|---|
| Resincast (epoxy) | BPL CTs; wound primary (WPL) CTs |
| Bushing CTs | Fibreglass taped |
| Special CTs | Core balance, interposing, summation, furnace, portable, ABS cased with sealing arrangements |
| Construction | Tapewound / resincast |
|---|---|
| Ratios | 1100/110 V to 50/75 V |
| Rated burden | Up to 100 VA |
| Accuracy class | 1 or 0.5 |
| Portable CTs | Class 0.2 |
|---|---|
| Protection CTs | Class PS / class X (tapewound / resincast) |
| CTs / PTs conform to | ISS 2705, BS 3938 and IEC 185-186 |
|---|---|
| Summation CTs | IS-6949-1973, BS-3938, IEC-185 |
