• Woonyoung Cased Single-Phase Isolation Transformer WYC Series (WY21C-KA / WY42C-KAW)
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Woonyoung Cased Single-Phase Isolation Transformer WYC Series (WY21C-KA / WY42C-KAW)

Woonyoung Cased Single-Phase Isolation Transformer WYC Series (WY21C-KA / WY42C-KAW)

Single-phase double-winding dry-type transformer housed in a cabinet with lamp, meters and NFB on the front, for 220 V to 110 V or 380/440 V to 110/220 V lines.

Key features

  • Enclosed dry-type transformer in a steel case
  • Pilot lamp, voltmeter, ammeter and NFB on the front (5 kVA and above)
  • Rear door with terminal block for easy wiring
  • Casters for transport
  • Case color selectable at order
  • Insulation class B (1-2 kVA), class H (3-50 kVA)

Specifications

Phase Single phase
Winding Double winding (isolation)
Enclosure Case type (WYC)
WY21C-1KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 1 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 20.0
WY21C-2KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 2 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 30.0
WY21C-3KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 3 kVA | Dimensions W x H x D (mm): 350 x 450 x 350 | Weight (kg): 40.0
WY21C-5KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 55.0
WY21C-7.5KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 74.0
WY21C-10KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 10 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 85.0
WY21C-15KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 15 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 140.0
WY21C-20KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 20 kVA | Dimensions W x H x D (mm): 500 x 650 x 500 | Weight (kg): 160.0
WY21C-30KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 30 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 190.0
WY21C-40KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 40 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 250.0
WY21C-50KA Primary (V): 0-220 | Secondary (V): 0-110 | Capacity: 50 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 255.0
WY42C-1KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 1 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 20.0
WY42C-2KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 2 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 30.0
WY42C-3KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 3 kVA | Dimensions W x H x D (mm): 350 x 450 x 350 | Weight (kg): 40.0
WY42C-5KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 55.0
WY42C-7.5KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 74.0
WY42C-10KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 10 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 85.0
WY42C-15KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 15 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 140.0
WY42C-20KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 20 kVA | Dimensions W x H x D (mm): 500 x 650 x 500 | Weight (kg): 160.0
WY42C-30KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 30 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 190.0
WY42C-40KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 40 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 250.0
WY42C-50KAW Primary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 50 kVA | Dimensions W x H x D (mm): 600 x 750 x 625 | Weight (kg): 280.0
Industrial TransformersWoonyoung
22 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Woonyoung Cased Single-Phase Isolation Transformer WYC Series (WY21C-KA / WY42C-KAW)

Brand Woonyoung·Industrial Transformers

Available part numbers (22)

WY21C-1KA, WY21C-2KA, WY21C-3KA, WY21C-5KA, WY21C-7.5KA, WY21C-10KA, WY21C-15KA, WY21C-20KA, WY21C-30KA, WY21C-40KA + 12 more — see full table ↓

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
WY21C-1KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 1 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 20.0
WY21C-2KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 2 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 30.0
WY21C-3KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 3 kVA | Dimensions W x H x D (mm): 350 x 450 x 350 | Weight (kg): 40.0
WY21C-5KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 55.0
WY21C-7.5KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 74.0
WY21C-10KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 10 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 85.0
WY21C-15KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 15 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 140.0
WY21C-20KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 20 kVA | Dimensions W x H x D (mm): 500 x 650 x 500 | Weight (kg): 160.0
WY21C-30KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 30 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 190.0
WY21C-40KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 40 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 250.0
WY21C-50KAPrimary (V): 0-220 | Secondary (V): 0-110 | Capacity: 50 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 255.0
WY42C-1KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 1 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 20.0
WY42C-2KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 2 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 30.0
WY42C-3KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 3 kVA | Dimensions W x H x D (mm): 350 x 450 x 350 | Weight (kg): 40.0
WY42C-5KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 55.0
WY42C-7.5KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 74.0
WY42C-10KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 10 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 85.0
WY42C-15KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 15 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 140.0
WY42C-20KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 20 kVA | Dimensions W x H x D (mm): 500 x 650 x 500 | Weight (kg): 160.0
WY42C-30KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 30 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 190.0
WY42C-40KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 40 kVA | Dimensions W x H x D (mm): 500 x 750 x 550 | Weight (kg): 250.0
WY42C-50KAWPrimary (V): 0-380-440 | Secondary (V): 0-110-220-(E) | Capacity: 50 kVA | Dimensions W x H x D (mm): 600 x 750 x 625 | Weight (kg): 280.0

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