• Woonyoung Single-Phase Isolation Transformer WY21-A Series (200-240 V to 100-120 V)
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Woonyoung Single-Phase Isolation Transformer WY21-A Series (200-240 V to 100-120 V)

Woonyoung Single-Phase Isolation Transformer WY21-A Series (200-240 V to 100-120 V)

Single-phase double-winding isolation transformer with 200/220/240 V primary and 100/110/120 V secondary, from 20 VA to 50 kVA.

Key features

  • Isolation (double winding) construction
  • Primary and secondary voltage taps
  • Rated capacity at the maximum voltage tap
  • CE certified
  • I-bolt attached for 3 kVA and larger

Specifications

Phase Single phase
WY21-20AT Type: WMT | Primary (V): 0-200-220-240 | Secondary (V): 0-100-110 | Capacity: 20 VA | Dimensions W x H x D (mm): 94 x 77 x 61 | Weight (kg): 0.75
WY21-40A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 40 VA | Dimensions W x H x D (mm): 79 x 89 x 83 | Weight (kg): 1.31
WY21-60A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 60 VA | Dimensions W x H x D (mm): 79 x 89 x 88 | Weight (kg): 1.65
WY21-80A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 80 VA | Dimensions W x H x D (mm): 89 x 98 x 105 | Weight (kg): 2.30
WY21-100A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 100 VA | Dimensions W x H x D (mm): 98 x 106 x 105 | Weight (kg): 2.59
WY21-150A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 150 VA | Dimensions W x H x D (mm): 98 x 106 x 113 | Weight (kg): 3.23
WY21-200A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 200 VA | Dimensions W x H x D (mm): 112 x 114 x 110 | Weight (kg): 3.60
WY21-300A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 300 VA | Dimensions W x H x D (mm): 121 x 122 x 114 | Weight (kg): 4.97
WY21-500A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 500 VA | Dimensions W x H x D (mm): 140 x 140 x 126 | Weight (kg): 7.10
WY21-750A Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 750 VA | Dimensions W x H x D (mm): 160 x 162 x 146 | Weight (kg): 10.70
WY21-1KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 1 kVA | Dimensions W x H x D (mm): 160 x 160 x 157 | Weight (kg): 12.30
WY21-1.5KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 1.5 kVA | Dimensions W x H x D (mm): 184 x 188.5 x 150 | Weight (kg): 16.50
WY21-2KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 2 kVA | Dimensions W x H x D (mm): 184 x 188.5 x 170 | Weight (kg): 20.10
WY21-3KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 3 kVA | Dimensions W x H x D (mm): 219 x 226 x 170 | Weight (kg): 26.70
WY21-5KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 5 kVA | Dimensions W x H x D (mm): 245 x 240 x 192 | Weight (kg): 40.20
WY21-7.5KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 270 x 270 x 200 | Weight (kg): 52.00
WY21-10KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 10 kVA | Dimensions W x H x D (mm): 310 x 308 x 212 | Weight (kg): 68.00
WY21-15KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 15 kVA | Dimensions W x H x D (mm): 310 x 308 x 232 | Weight (kg): 94.00
WY21-20KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-110 | Capacity: 20 kVA | Dimensions W x H x D (mm): 360 x 437 x 270 | Weight (kg): 112.30
WY21-30KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-110 | Capacity: 30 kVA | Dimensions W x H x D (mm): 380 x 498 x 302 | Weight (kg): 162.60
WY21-40KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-110 | Capacity: 40 kVA | Dimensions W x H x D (mm): 480 x 461 x 317.6 | Weight (kg): 205.00
WY21-50KA Type: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-110 | Capacity: 50 kVA | Dimensions W x H x D (mm): 500 x 482.5 x 317.6 | Weight (kg): 221.00
Industrial TransformersWoonyoung
22 product codes available in this family
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Woonyoung Single-Phase Isolation Transformer WY21-A Series (200-240 V to 100-120 V)

Brand Woonyoung·Industrial Transformers

Available part numbers (22)

WY21-20AT, WY21-40A, WY21-60A, WY21-80A, WY21-100A, WY21-150A, WY21-200A, WY21-300A, WY21-500A, WY21-750A + 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
WY21-20ATType: WMT | Primary (V): 0-200-220-240 | Secondary (V): 0-100-110 | Capacity: 20 VA | Dimensions W x H x D (mm): 94 x 77 x 61 | Weight (kg): 0.75
WY21-40AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 40 VA | Dimensions W x H x D (mm): 79 x 89 x 83 | Weight (kg): 1.31
WY21-60AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 60 VA | Dimensions W x H x D (mm): 79 x 89 x 88 | Weight (kg): 1.65
WY21-80AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 80 VA | Dimensions W x H x D (mm): 89 x 98 x 105 | Weight (kg): 2.30
WY21-100AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 100 VA | Dimensions W x H x D (mm): 98 x 106 x 105 | Weight (kg): 2.59
WY21-150AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 150 VA | Dimensions W x H x D (mm): 98 x 106 x 113 | Weight (kg): 3.23
WY21-200AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 200 VA | Dimensions W x H x D (mm): 112 x 114 x 110 | Weight (kg): 3.60
WY21-300AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 300 VA | Dimensions W x H x D (mm): 121 x 122 x 114 | Weight (kg): 4.97
WY21-500AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 500 VA | Dimensions W x H x D (mm): 140 x 140 x 126 | Weight (kg): 7.10
WY21-750AType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 750 VA | Dimensions W x H x D (mm): 160 x 162 x 146 | Weight (kg): 10.70
WY21-1KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 1 kVA | Dimensions W x H x D (mm): 160 x 160 x 157 | Weight (kg): 12.30
WY21-1.5KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 1.5 kVA | Dimensions W x H x D (mm): 184 x 188.5 x 150 | Weight (kg): 16.50
WY21-2KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 2 kVA | Dimensions W x H x D (mm): 184 x 188.5 x 170 | Weight (kg): 20.10
WY21-3KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 3 kVA | Dimensions W x H x D (mm): 219 x 226 x 170 | Weight (kg): 26.70
WY21-5KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 5 kVA | Dimensions W x H x D (mm): 245 x 240 x 192 | Weight (kg): 40.20
WY21-7.5KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 7.5 kVA | Dimensions W x H x D (mm): 270 x 270 x 200 | Weight (kg): 52.00
WY21-10KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 10 kVA | Dimensions W x H x D (mm): 310 x 308 x 212 | Weight (kg): 68.00
WY21-15KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-100-110-120 | Capacity: 15 kVA | Dimensions W x H x D (mm): 310 x 308 x 232 | Weight (kg): 94.00
WY21-20KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-110 | Capacity: 20 kVA | Dimensions W x H x D (mm): 360 x 437 x 270 | Weight (kg): 112.30
WY21-30KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-110 | Capacity: 30 kVA | Dimensions W x H x D (mm): 380 x 498 x 302 | Weight (kg): 162.60
WY21-40KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-110 | Capacity: 40 kVA | Dimensions W x H x D (mm): 480 x 461 x 317.6 | Weight (kg): 205.00
WY21-50KAType: WT | Primary (V): 0-200-220-240-(E) | Secondary (V): 0-110 | Capacity: 50 kVA | Dimensions W x H x D (mm): 500 x 482.5 x 317.6 | Weight (kg): 221.00

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