Class 220℃ Insulation 2000kva VPI Transformer 6.9kv To 480V Medium Voltage Dry Type Transformers
| Brand Name: | WINLEY |
| Model Number: | SG-2000KVA/6.9 |
| MOQ: | 1unit |
| Price: | $1000~$100000/Unit |
| Packaging Details: | Plywood case |
| Payment Terms: | T/T |
220℃ insulation dry type transformer
,2000kva medium voltage transformer
,6.9kv to 480v VPI transformer
Class 220℃ Insulation 2000kva VPI Transformer 6.9kv To 480V Medium Voltage Dry Type Transformers
Winley Electric’s 220℃ Class R Vacuum Pressure Impregnated (VPI) Dry-Type Transformer is built around a premium NOMEX® paper insulation system and backed by comprehensive UL/cUL certification, this transformer delivers unmatched thermal resilience, regulatory compliance, and operational efficiency—critical for environments where downtime and safety risks are unacceptable .
Winley Electric's 220°C insulation class transformer UL certification
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220℃ Class R Transformer Designed to meet ANSI, IEEE, and DOE 2016 standards, it excels in high-temperature settings (up to 40°C ambient) making it a versatile solution for data centers, manufacturing facilities, hospitals, and outdoor power distribution networks .
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Main data
| Transformer Type | Vacuum Pressure Impregnated (VPI) Transformer |
| Transformer Configuration | Dry Type, Ventilated |
| Phase | Three Phase |
| Capacity (w/o Fans) | 2 MVA (2000 KVA) |
| Capacity (w/ Fans) | 2.667 MVA (2667 KVA) |
| Vector Group | Dyn11 |
| Primary Voltage | 6900V AC |
| Secondary Voltage | 480Y/277 AC |
| Frequency | 60 Hz |
| Temperature Rise | 115°C |
| Cooling Class | AA/FA |
| Insulation Class | Class R, 220°C |
| Efficiency Standard(s) | DOE 2016, IEEE, ANSI |
| Winding Material | Copper |
| Ambient Temperature Rating | 40°C |
| Enclosure Rating | NEMA 3R Weatherproof |
| Efficiency % | 99.40% |
Technical drawings
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Key Benefits of Winley Electric 220℃ Class R Dry-Type Transformer
1.NOMEX® Paper Insulation System
Enables 220℃ Class R operation for extended service life, features an oil-free design that eliminates fire and leak hazards to suit indoor critical applications, and delivers high dielectric strength and contamination resistance for low maintenance requirements.
2.NEMA 3R Outdoor Enclosure Compliance
Boasts weatherproof protection against rain, snow and dust for flexible indoor and outdoor use, removes the need for extra shielding to cut installation costs, and meets strict North American outdoor equipment standards for seamless market access.
3.99.40% High Efficiency
Exceeds DOE 2016, IEEE and CSA standards to lower energy costs, reduces heat output to ease cooling system load and extend component lifespan, and aligns with North American sustainability goals for greener operations.
4.Vacuum Pressure Impregnated (VPI) Technology
Seals insulation into a solid unified structure to enhance mechanical and seismic stability, improves moisture and corrosion resistance for reliable performance in harsh environments, and eliminates air gaps to reduce partial discharge risks and boost overall safety.
5.UL/cUL & Industry Certifications (North America Focused)
Features dual UL/cUL listing for the U.S. and Canada while complying with ANSI/IEEE/NEMA standards to eliminate regulatory barriers, is seismic-qualified to withstand earthquake-prone regions.
Specification
| Model (kva) |
Primary Voltage | Secondary Voltage | Coupling group tab | Shape dimension | Mounting dimension | K*J | The box dimension | |||||
| Bmax | Dmax±5 | Emax | A | C±5 | Bmax | Dmax±5 | Emax | |||||
| SG-10KVA | 660 400 380 200 |
380 220 110 36 |
Yyn0 Y/d D/y D/d |
360 | 180 | 305 | 215 | 140 | 10*20 | 450 | 360 | 480 |
| SG-15KVA | 360 | 200 | 335 | 215 | 155 | 10*20 | 450 | 360 | 480 | |||
| SG-20KVA | 420 | 210 | 350 | 250 | 170 | 10*20 | 490 | 400 | 540 | |||
| SG-30KVA | 420 | 230 | 380 | 250 | 190 | 10*20 | 490 | 400 | 540 | |||
| SG-50KVA | 680 | 350 | 550 | 420 | 220 | 10*20 | 800 | 510 | 840 | |||
| SG-80KVA | 750 | 400 | 620 | 480 | 250 | 10*20 | 850 | 510 | 840 | |||
| SG-100KVA | 780 | 420 | 650 | 500 | 250 | 10*20 | 900 | 550 | 890 | |||
| SG-300KVA | 180 | 95 | 185 | 100 | 75 | 6*14 | ||||||
| SG-500KVA | 180 | 95 | 185 | 100 | 75 | 6*14 | ||||||
| SG-1000KVA | 180 | 110 | 185 | 100 | 90 | 6*14 | ||||||
| SG-2000KVA | 230 | 125 | 205 | 130 | 100 | 9*16 | ||||||
| SG-3000KVA | 240 | 145 | 215 | 130 | 120 | 9*16 | ||||||
| SG-4000KVA | 240 | 155 | 235 | 130 | 130 | 9*16 | ||||||
| SG-5000KVA | 320 | 160 | 255 | 180 | 115 | 10*20 | 400 | 330 | 480 | |||
| SG-6000KVA | 300 | 165 | 280 | 180 | 140 | 10*20 | 400 | 330 | 480 | |||
Production process