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Woonyoung Cased Single-Phase Auto Transformer WYC Series (WY21C-KD / WY42C-KDW)

Woonyoung Cased Single-Phase Auto Transformer WYC Series (WY21C-KD / WY42C-KDW)

Single-phase single-winding (auto) dry-type transformer housed in a cabinet, for 220 V to 110 V or 380/440 V to 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
  • Insulation class B (2-3 kVA), class H (5-50 kVA)

Specifications

Phase Single phase
Winding Single winding (auto)
Enclosure Case type (WYC)
WY21C-2KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 2 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 20.0
WY21C-3KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 3 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 26.0
WY21C-5KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 5 kVA | Dimensions W x H x D (mm): 350 x 450 x 350 | Weight (kg): 35.0
WY21C-7.5KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 50.0
WY21C-10KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 10 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 55.0
WY21C-15KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 15 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 74.0
WY21C-20KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 20 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 85.0
WY21C-30KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 30 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 105.0
WY21C-40KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 40 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 140.0
WY21C-50KD Voltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 50 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 180.0
WY42C-2KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 2 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 20.0
WY42C-3KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 3 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 26.0
WY42C-5KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 5 kVA | Dimensions W x H x D (mm): 350 x 450 x 350 | Weight (kg): 35.0
WY42C-7.5KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 380 x 550 x 430 | Weight (kg): 50.0
WY42C-10KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 10 kVA | Dimensions W x H x D (mm): 380 x 550 x 430 | Weight (kg): 55.0
WY42C-15KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 15 kVA | Dimensions W x H x D (mm): 380 x 550 x 430 | Weight (kg): 74.0
WY42C-20KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 20 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 85.0
WY42C-30KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 30 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 105.0
WY42C-40KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 40 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 140.0
WY42C-50KDW Voltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 50 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 180.0
Industrial TransformersWoonyoung
20 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing

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Woonyoung Cased Single-Phase Auto Transformer WYC Series (WY21C-KD / WY42C-KDW)

Brand Woonyoung·Industrial Transformers

Available part numbers (20)

WY21C-2KD, WY21C-3KD, WY21C-5KD, WY21C-7.5KD, WY21C-10KD, WY21C-15KD, WY21C-20KD, WY21C-30KD, WY21C-40KD, WY21C-50KD + 10 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-2KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 2 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 20.0
WY21C-3KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 3 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 26.0
WY21C-5KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 5 kVA | Dimensions W x H x D (mm): 350 x 450 x 350 | Weight (kg): 35.0
WY21C-7.5KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 50.0
WY21C-10KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 10 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 55.0
WY21C-15KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 15 kVA | Dimensions W x H x D (mm): 380 x 460 x 450 | Weight (kg): 74.0
WY21C-20KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 20 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 85.0
WY21C-30KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 30 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 105.0
WY21C-40KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 40 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 140.0
WY21C-50KDVoltage taps (V): 0-110-220 (0 V common) | Rated voltage: 220 V to 110 V | Capacity: 50 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 180.0
WY42C-2KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 2 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 20.0
WY42C-3KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 3 kVA | Dimensions W x H x D (mm): 240 x 320 x 375 | Weight (kg): 26.0
WY42C-5KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 5 kVA | Dimensions W x H x D (mm): 350 x 450 x 350 | Weight (kg): 35.0
WY42C-7.5KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 380 x 550 x 430 | Weight (kg): 50.0
WY42C-10KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 10 kVA | Dimensions W x H x D (mm): 380 x 550 x 430 | Weight (kg): 55.0
WY42C-15KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 15 kVA | Dimensions W x H x D (mm): 380 x 550 x 430 | Weight (kg): 74.0
WY42C-20KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 20 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 85.0
WY42C-30KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 30 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 105.0
WY42C-40KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 40 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 140.0
WY42C-50KDWVoltage taps (V): 0-220-380-440 (0 V common) | Rated voltage: 380/440 V to 220 V | Capacity: 50 kVA | Dimensions W x H x D (mm): 400 x 520 x 480 | Weight (kg): 180.0

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