• Woonyoung W12V1A / W12V1B High-Voltage Earthed VT, 12 kV Indoor Cast Resin
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Woonyoung W12V1A / W12V1B High-Voltage Earthed VT, 12 kV Indoor Cast Resin

Woonyoung W12V1A / W12V1B High-Voltage Earthed VT, 12 kV Indoor Cast Resin

Indoor epoxy-resin cast single-pole earthed voltage transformer (EVT) connected line-to-earth for systems up to 12 kV, stepping down primary voltage for metering instruments and protective relays.

Key features

  • Epoxy resin cast insulation for systems up to 12 kV
  • Stable insulation and electrical characteristics with good mechanical strength
  • Easy to maintain; available with single or multiple secondary taps
  • Designed for metering and/or protection, indoor service
  • Manufactured by automatic vacuum casting or APG

Specifications

Highest voltage for equipment (Um) 3.6 kV / 7.2 kV / 12 kV
Power-frequency withstand voltage (60 s) 10 kV / 20 kV / 28 kV
Lightning impulse withstand voltage (1.2/50 us) 40 kV / 60 kV / 75 kV
Rated frequency 50 Hz, 60 Hz, others on request
Rated primary voltage 11000/sqrt3 V
Rated secondary voltage 110/sqrt3 V, 190/sqrt3 V
Rated voltage factor 1.2 cont., 1.5/30 s, 1.9/30 s, 1.9/8 h
Thermal limit burden 700 VA
Insulation class (IEC 60085) E
Standard IEC / IEEE / KS, etc.
W12V1A Variant: A (see dimension drawing) | Highest voltage: 3.6 kV / 7.2 kV / 12 kV | Rated primary voltage: 11000/sqrt3 V | Weight: 22 kg
W12V1B Variant: B (see dimension drawing) | Highest voltage: 3.6 kV / 7.2 kV / 12 kV | Rated primary voltage: 11000/sqrt3 V | Weight: 22 kg
Voltage TransformersWoonyoung
2 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Woonyoung W12V1A / W12V1B High-Voltage Earthed VT, 12 kV Indoor Cast Resin

Brand Woonyoung·Voltage Transformers

Available part numbers (2)

W12V1A, W12V1B

How to order

Send the Woonyoung part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
W12V1AVariant: A (see dimension drawing) | Highest voltage: 3.6 kV / 7.2 kV / 12 kV | Rated primary voltage: 11000/sqrt3 V | Weight: 22 kg
W12V1BVariant: B (see dimension drawing) | Highest voltage: 3.6 kV / 7.2 kV / 12 kV | Rated primary voltage: 11000/sqrt3 V | Weight: 22 kg

Need a different model, or a part not listed here? Send us your parts list →

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