Products Description
Product name:Tap Changer For Transformers
Type:de-energized drum-formed tap-changer
The Tap Changer For Transformers is designed for manual voltage regulation in oil-immersed transformers.
It allows safe adjustment of transformer voltage ratios when the transformer is completely de-energized. The drum-type rotary contact structure ensures accurate tap switching, stable operation, and long service life.
Ideal for distribution transformers, power transformers, and industrial transformer applications.
Applications
-Oil-immersed distribution transformers
-Power transformers
-252KV transformer systems
-Industrial and utility transformers
-Electrical substations
Drawing
Product parameters
Type of tap-changer |
Rated current |
Highest voltage |
Range of voltage regulation |
Install dimension(mm) |
Holes on tank cover |
|||
| H | H1 | H2 | (mm) | |||||
| WDG II₃200~630/40.5~126-4×3 WDGII₃200~630/40.5~126-6×5 |
200,400, 630 |
40.5, | 126 | ±5% | 900 | 380 | 104 | φ85 |
| ±2×2.5% | ||||||||
| WDG II₃800~1000/40.5~126-4×3 WDGI₃800~1000/40.5~126-6×5 |
800,1000 | 40.5, | 126 | ±5% | 1100 | 380 | 87 | φ85 |
| ±2×2.5% | ||||||||
| WDGI₃ 1250/40.5~126-4×3 WDGII₃ 1250/40.5~126-6×5 |
1250 | 40.5, | 126 | ±5% | 1100 | 430 | 110 | φ85 |
| ±2×2.5% | ||||||||
| WDGIl ₃ 1600/40.5~126-4×3 WDGIⅡ₃ 1600/40.5~126-6×5 |
1600 | 40.5, | 126 | ±5% | 1100 | 430 | 60 | φ85 |
| ±2×2.5% | ||||||||
| WDGII₃2000/40.5~126-4×3 WDGII₃2000/40.5~126-6×5 |
2000 | 40.5, | 126 | ±5% | 1200 | 530 | 110 | φ85 |
| ±2×2.5% | ||||||||
| WDGI₃200~630/40.5~126-4×3A WDGII₃200~630/40.5~126-6×5A |
200,400, 630 |
40.5, | 126 | ±5% | 680 | 380 | 144 | φ85 |
| ±2×2.5% | ||||||||
| WDGI₃800~1000/40.5~126-4×3A WDGII₃800~1000/40.5~126-6×5A |
800,1000 | 40.5, | 126 | ±5% | 680 | 380 | 127 | φ85 |
| ±2×2.5% | ||||||||
| WDGIl₃ 1250/40.5~126-4×3A WDGII₃ 1250/40.5~126-6×5A |
1250 | 40.5, | 126 | ±5% | 680 | 430 | 110 | φ85 |
| ±2×2.5% | ||||||||
| WDGI₃ 1600/40.5~126-4×3A WDGII₃ 1600/40.5~126-6×5A |
1600 | 40.5, | 126 | ±5% | 680 | 430 | 60 | φ85 |
| ±2×2.5% | ||||||||
Why choose us?
1. Products comply with IEC standards
2. Products have passed factory audits, we provide ISO system, third-party audit reports
Factory inspection report, electrical performance test report, type test report
3. Special gear numbers, voltage levels, wiring methods, etc. can be customized
parameters
certificate
What can we do for our customers?
24 hours a day online.
Professional customized service.
Quality after-sales service.
Strict control of product quality.
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