• Woonyoung WCZA / WCZB / WCZC Zero-Phase Current Transformer for Selective Ground Relay
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Woonyoung WCZA / WCZB / WCZC Zero-Phase Current Transformer for Selective Ground Relay

Woonyoung WCZA / WCZB / WCZC Zero-Phase Current Transformer for Selective Ground Relay

Epoxy-molded cable-through zero-phase-sequence current transformer that detects ground-fault current in high-voltage cable circuits for selective ground relays (SGR).

Key features

  • Cable-through window type for high-voltage cables
  • Rated 200 mA primary / 1.5 mA secondary zero-sequence current
  • Accuracy L class (1.0-2.0 mA) and H class (1.2-1.8 mA)
  • Epoxy mold insulation
  • 60 Hz standard, 50 Hz optional
  • Designed to JEC 1201

Specifications

Standard JEC 1201
Rated current Primary 200 mA, secondary 1.5 mA
Accuracy class L class (1.0-2.0 mA), H class (1.2-1.8 mA)
Rated burden 10 ohm (PF 0.5 lagging)
Insulation level For cable-through type
Rated frequency 60 Hz (50 Hz option)
Insulation Epoxy mold
WCZA Inner diameter: 110 mm | Dimensions A/B/C/E/F/G: 213/107/150/200/80/110 mm
WCZB Inner diameter: 150 mm | Dimensions A/B/C/E/F/G: 252/126/150/240/80/110 mm
WCZC Inner diameter: 200 mm | Dimensions A/B/C/E/F/G: 320/160/150/300/80/110 mm
Zero-Phase Current TransformersWoonyoung
3 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Woonyoung WCZA / WCZB / WCZC Zero-Phase Current Transformer for Selective Ground Relay

Brand Woonyoung·Zero-Phase Current Transformers

Available part numbers (3)

WCZA, WCZB, WCZC

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
WCZAInner diameter: 110 mm | Dimensions A/B/C/E/F/G: 213/107/150/200/80/110 mm
WCZBInner diameter: 150 mm | Dimensions A/B/C/E/F/G: 252/126/150/240/80/110 mm
WCZCInner diameter: 200 mm | Dimensions A/B/C/E/F/G: 320/160/150/300/80/110 mm

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

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