Dry Type Transformer – Energy Saving, Fire Safe, Global Certified
• Low loss & energy saving – 30% lower loss compared to SCB11 transformer
• Exceeds standards – Actual performance better than GB and IEC requirements
• Multiple certifications – CB, CCC, KEMA, SASO, and more
• Fire safe – Excellent fire performance, F1 class rating
• High surge withstand – 95kV lightning impulse resistance (for 10kV products)
• Intelligent temperature control – Operates at 120% rated load under forced air cooling
• Globally proven – High reliability verified in over 50 countries
• Main applications – 10kV urban distribution networks, industrial, mining, and commercial buildings
• Successful track record – 5,793 units sold to Kazakhstan, Uzbekistan, Pakistan, Afghanistan, Bangladesh, Indonesia, Vietnam and more
• Compliant standards – IEC 60076 series, GB 1094 series, GB/T 6451-2008
• Enclosure options – Aluminum alloy, cold rolled steel, stainless steel (IP20, IP23 protection available)

• High pressure copper tape winding – Flame retardant formula, vacuum pouring
• Low pressure copper foil winding – Thermosetting epoxy prepreg cloth insulation
• High quality iron core – 45° full oblique joint step laminated structure
• Made of cold rolled grain oriented silicon steel sheet with mineral oxide insulation
• Precision cutting and stacking minimizes loss, no-load current, and noise
• Class F or Class H core paint prevents corrosion and rust
• High quality copper foil with thermosetting epoxy prepreg cloth insulation
• Excellent insulation resistance and radial stress resistance against short circuit
• Tinned copper bar outgoing terminal
• Oven heated to 140°C for 4 hours – excellent industrial gas corrosion resistance
• Insulated copper wire with Hengfengyou Electric patented technology
• Small volume: linear voltage gradient from top to bottom
• Large capacity: tape winding technology
• Extremely low electric field between adjacent conductors
• Reliable structure during operation and transportation
• Copper tape + copper foil winding, flame retardant vacuum casting
• 45° full oblique joint core – low loss, low noise
• Thermosetting epoxy insulation – Class F/H available
• Strong short circuit withstand and industrial gas corrosion resistance
• OEM customized solutions available
Company Advantages – Built for Global Buyers
• Certifications |CB, CCC, KEMA, SASO, and more |
• Quality System | SQA management – guaranteed consistency |
• Fast Response | Quick quote + electrical design support |
• Delivery | Short lead time, worldwide shipping |
• After-Sales | Complete service system |
• Customization | OEM/ODM – factory visit welcome |
| 额定容量Capacity | 额定电压及分接范围Rated voltage&Off-load tapping | 联结组标号 Vector GroupSymbol |
空载损耗 NO-load loss(W) |
负载损耗 Load loss(W) F级绝缘 |
空载电流 NO-load current(%) |
短路阻抗Short circuit impedance(%) |
||||
| 高压 H.V(kv) |
高压分接范围 High pressure Tap range(%) |
低压 L.V(kv) |
||||||||
| 30 | 11 10.5 10 6.6 6.3 6 |
±5% ±2.5% |
0.4 0.69 |
Dyn11 Yyn0 |
150 | 710 | 2 | 4 | ||
| 50 | 215 | 1000 | 2 | 4 | ||||||
| 80 | 295 | 1380 | 1.5 | 4 | ||||||
| 100 | 320 | 1570 | 1.5 | 4 | ||||||
| 125 | 375 | 1850 | 1.3 | 4 | ||||||
| 160 | 430 | 2130 | 1.3 | 4 | ||||||
| 200 | ±5% ±2x2.5% |
495 | 2530 | 1.1 | 4 | |||||
| 250 | 575 | 2760 | 1.1 | 4 | ||||||
| 315 | 705 | 3470 | 1 | 4 | ||||||
| 400 | 785 | 3990 | 1 | 4 | ||||||
| 500 | 930 | 4880 | 1 | 4 | ||||||
| 630 | 1070 | 5880 | 0.85 | 4 | ||||||
| 630 | 1040 | 5960 | 0.85 | 6 | ||||||
| 800 | 1215 | 6960 | 0.85 | 6 | ||||||
| 1000 | 1415 | 8130 | 0.85 | 6 | ||||||
| 1250 | 1670 | 9100 | 0.85 | 6 | ||||||
| 1600 | 1960 | 11700 | 0.85 | 6 | ||||||
| 2000 | 2440 | 14400 | 0.7 | 6 | ||||||
| 2500 | 2880 | 17100 | 0.7 | 6 | ||||||










Qingdao Hengfengshuai Electric Co., Ltd
WhatsApp: +86 152 6625 8801
Address: No. 251, Xingyang Road, Chengyang District, Qingdao, Shandong
Email: hfs@hengfengshuai.com
Customer service email: service@hengfengshuai.com
website:https://www.hengfengshuai.com