• Woonyoung Three-Phase Auto Transformer WY3P-AU Series (380/440 V to 220 V)
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Woonyoung Three-Phase Auto Transformer WY3P-AU Series (380/440 V to 220 V)

Woonyoung Three-Phase Auto Transformer WY3P-AU Series (380/440 V to 220 V)

Three-phase Y-connected auto transformer for AC 380/440 V to AC 220 V, with input and output tapped from the same winding.

Key features

  • Terminal block connection
  • Single winding (auto) Y connection
  • Insulation class B (200 VA-10 kVA), class H (15-300 kVA)
  • I-bolt attached for 3 kVA and larger
  • CE certified

Specifications

Phase Three phase
Type W3PT
Winding Auto transformer
WY3P-200AU Voltage taps (V): Y-N N-220-380-440 | Capacity: 200 VA | Dimensions W x H x D (mm): 135 x 132 x 86 | Weight (kg): 2.60
WY3P-300AU Voltage taps (V): Y-N N-220-380-440 | Capacity: 300 VA | Dimensions W x H x D (mm): 140 x 130 x 100 | Weight (kg): 5.76
WY3P-500AU Voltage taps (V): Y-N N-220-380-440 | Capacity: 500 VA | Dimensions W x H x D (mm): 140 x 130 x 105 | Weight (kg): 7.20
WY3P-1KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 1 kVA | Dimensions W x H x D (mm): 190 x 180 x 105 | Weight (kg): 8.00
WY3P-2KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 2 kVA | Dimensions W x H x D (mm): 195 x 180 x 126 | Weight (kg): 13.00
WY3P-3KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 3 kVA | Dimensions W x H x D (mm): 240 x 210 x 145 | Weight (kg): 19.20
WY3P-5KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 5 kVA | Dimensions W x H x D (mm): 275 x 250 x 175 | Weight (kg): 32.00
WY3P-7.5KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 275 x 250 x 175 | Weight (kg): 36.00
WY3P-10KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 10 kVA | Dimensions W x H x D (mm): 330 x 290 x 190 | Weight (kg): 46.00
WY3P-15KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 15 kVA | Dimensions W x H x D (mm): 330 x 290 x 215 | Weight (kg): 59.00
WY3P-20KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 20 kVA | Dimensions W x H x D (mm): 375 x 319.5 x 236 | Weight (kg): 77.00
WY3P-30KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 30 kVA | Dimensions W x H x D (mm): 390 x 330 x 230 | Weight (kg): 92.00
WY3P-40KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 40 kVA | Dimensions W x H x D (mm): 430 x 390 x 260 | Weight (kg): 126.00
WY3P-50KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 50 kVA | Dimensions W x H x D (mm): 450 x 450 x 330 | Weight (kg): 147.00
WY3P-75KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 75 kVA | Dimensions W x H x D (mm): 460 x 549 x 276 | Weight (kg): 137.00
WY3P-100KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 100 kVA | Dimensions W x H x D (mm): 483 x 548 x 296 | Weight (kg): 192.00
WY3P-150KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 150 kVA | Dimensions W x H x D (mm): 545 x 543 x 306 | Weight (kg): 272.00
WY3P-200KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 200 kVA | Dimensions W x H x D (mm): 650 x 700 x 400 | Weight (kg): 336.00
WY3P-300KAU Voltage taps (V): Y-N N-220-380-440 | Capacity: 300 kVA | Dimensions W x H x D (mm): 710 x 800 x 500 | Weight (kg): 530.00
Industrial TransformersWoonyoung
19 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Woonyoung Three-Phase Auto Transformer WY3P-AU Series (380/440 V to 220 V)

Brand Woonyoung·Industrial Transformers

Available part numbers (19)

WY3P-200AU, WY3P-300AU, WY3P-500AU, WY3P-1KAU, WY3P-2KAU, WY3P-3KAU, WY3P-5KAU, WY3P-7.5KAU, WY3P-10KAU, WY3P-15KAU + 9 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
WY3P-200AUVoltage taps (V): Y-N N-220-380-440 | Capacity: 200 VA | Dimensions W x H x D (mm): 135 x 132 x 86 | Weight (kg): 2.60
WY3P-300AUVoltage taps (V): Y-N N-220-380-440 | Capacity: 300 VA | Dimensions W x H x D (mm): 140 x 130 x 100 | Weight (kg): 5.76
WY3P-500AUVoltage taps (V): Y-N N-220-380-440 | Capacity: 500 VA | Dimensions W x H x D (mm): 140 x 130 x 105 | Weight (kg): 7.20
WY3P-1KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 1 kVA | Dimensions W x H x D (mm): 190 x 180 x 105 | Weight (kg): 8.00
WY3P-2KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 2 kVA | Dimensions W x H x D (mm): 195 x 180 x 126 | Weight (kg): 13.00
WY3P-3KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 3 kVA | Dimensions W x H x D (mm): 240 x 210 x 145 | Weight (kg): 19.20
WY3P-5KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 5 kVA | Dimensions W x H x D (mm): 275 x 250 x 175 | Weight (kg): 32.00
WY3P-7.5KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 275 x 250 x 175 | Weight (kg): 36.00
WY3P-10KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 10 kVA | Dimensions W x H x D (mm): 330 x 290 x 190 | Weight (kg): 46.00
WY3P-15KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 15 kVA | Dimensions W x H x D (mm): 330 x 290 x 215 | Weight (kg): 59.00
WY3P-20KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 20 kVA | Dimensions W x H x D (mm): 375 x 319.5 x 236 | Weight (kg): 77.00
WY3P-30KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 30 kVA | Dimensions W x H x D (mm): 390 x 330 x 230 | Weight (kg): 92.00
WY3P-40KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 40 kVA | Dimensions W x H x D (mm): 430 x 390 x 260 | Weight (kg): 126.00
WY3P-50KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 50 kVA | Dimensions W x H x D (mm): 450 x 450 x 330 | Weight (kg): 147.00
WY3P-75KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 75 kVA | Dimensions W x H x D (mm): 460 x 549 x 276 | Weight (kg): 137.00
WY3P-100KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 100 kVA | Dimensions W x H x D (mm): 483 x 548 x 296 | Weight (kg): 192.00
WY3P-150KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 150 kVA | Dimensions W x H x D (mm): 545 x 543 x 306 | Weight (kg): 272.00
WY3P-200KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 200 kVA | Dimensions W x H x D (mm): 650 x 700 x 400 | Weight (kg): 336.00
WY3P-300KAUVoltage taps (V): Y-N N-220-380-440 | Capacity: 300 kVA | Dimensions W x H x D (mm): 710 x 800 x 500 | Weight (kg): 530.00

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