30kV Epoxy-Cast Potential Transformers
EPF-30SA-2, EPF-30SB-2
Indoor potential transformers for ≦ 36kV power systems. IEC type testing & environmental testing (-45℃~65℃). The choice of major corporations of numerous countries. Insulated with Araldite® epoxy. Superior moisture resistance.
MV Voltage Transformers (VT) for Indoor Use
About the Product
The EPF-30SA/B-2 indoor-use potential transformers, designed for a 36kV (or below) power system and insulated with Araldite® epoxy resin, have a high insulation level and superior moisture resistance. In addition, they have passed type testing and environmental testing according to IEC standards and can perform under the temperature condition of -45℃～65℃.
The EPF-30SA/B-2 Series potential transformers have been a preferred choice of major corporations of numerous countries.
Specifications
- Standard: IEC or IEEE*
- Indoor usage
- Superior insulation and moisture resistance
- System Voltage: ≦ 36 kV
- Rated Frequency: 50 / 60 Hz
- Suited to salty or polluted air, high humidity and high temperature
- Ambient Temperature: -45~ 65℃
- Approximate Weight: 65 kg
Selection Table
Model | Primary Voltage | Secondary Voltage | Burden / Accuracy | AC / BIL |
EPF-30SA-2 | 36/33 kV | 120/110 V | 100VA/1.0 50VA/0.5 25VA/0.3 | Max. 70 / 200 kV |
EPF-30SB-2 | 36/33 kV | 120/110 V | 500VA/3.0 300VA/1.0 150VA/0.5 75VA/0.3 50VA/0.2 (Thermal Burden: 1000VA) |
* Other standards and specifications are available.
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Cast in Araldite® UV-resistant cycloaliphatic epoxy, these potential transformers for billing are designed for long-term outdoor use in harsh conditions such as solar ultraviolet radiation, salt fog, high temperature, and high humidity. Designed to be part of a Metering Outfit (MOF).
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Used for power monitoring or as part of a MOF (Metering Outfit) for a 12~36kV power system, these outdoor CTs for billing are insulated with Araldite® UV-resistant cycloaliphatic epoxy. Accuracy 0.15S~0.3; burden B-0.5. Available as Extended Range Current Transformers (ERCTs) if requested.
- Download Materials
30kV Epoxy-Cast Potential Transformers (Models: EPF-30SA-2 / EPF-30SB-2)
Easy-to-print document, containing product description, specifications, and a selection table.
CT & PT Selection Guide: How to Choose a Current Transformer or Potential Transformer
How to select, based on application and power system attributes, the primary and secondary currents, burden, accuracy, rated frequency, type (indoor vs. outdoor), insulation material, etc.
