Type WDT4 Single Phase Off Load Tap Changer(delta connection)
- Details
This kind of switch applies to the single-phase combination oil-immersed transformer electrical power with rated voltage of 10KV-36KV, rated current of 63A-250A; the voltage-regulating mode are: central part, terminal point ncutral point, which can be dircctly fixed on the tank cover of the transformer, exchange under the off-circuit condition.
Type WDT4 single phase-tap changer(delta connection)
- Used in mineral oil or silicon oil
- Rated Voltage 10KV-36KV
- Rated current from 63A-250A
- Tapping position: 3-7
- Regulation 2.5% per position
Model Explanation
WST □ - □/□-□X□
W: off-circuit
S : three-phase or D for single phase
T : linear type tap changer
□: voltage regulation model
□: rated current
□: rated voltage
□: number of tapping heads
□: number of tapping position
Voltage Regulation Model
I : terminal point
II : central point
III : neutral point
IV : Y-△ conversion
V : series-parallel connection
Our Advantage
* High pressure capability
* Strong anti-aging ability
* Strong anti-lightning impact
* Strong protection
* Use smoothly
* Stable use
Rated voltage | Rated current | L | L1 | L2 | L3 | L4 | L5 | N | H | H1 | Reaulatin position |
10kV | 63A | 270 | 147 | 113 | 67 | 99 | 24 | 3 | 100 | 78 | Central |
125A | 290 | 162 | 118 | 67 | 107 | 29 | 3 | 100 | 78 | ||
250A | 290 | 162 | 118 | 67 | 112 | 29 | 3 | 100 | 78 | ||
36kV | 63A | 338 | 215 | 114 | 67 | 103 | 24 | 3 | 120 | 98 | |
125A | 380 | 228 | 128 | 67 | 107 | 34 | 3 | 120 | 98 | ||
250A | 380 | 228 | 128 | 67 | 112 | 34 | 3 | 120 | 98 | ||
10kV | 63A | 366 | 195 | 161 | 67 | 99 | 24 | 5 | 100 | 78 | |
125A | 405 | 221 | 175 | 67 | 107 | 29 | 5 | 100 | 78 | ||
250A | 405 | 221 | 175 | 67 | 112 | 29 | 5 | 100 | 78 | ||
36kV | 63A | 441 | 266 | 166 | 67 | 103 | 24 | 5 | 120 | 98 | |
125A | 516 | 296 | 196 | 67 | 107 | 34 | 5 | 120 | 98 | ||
250A | 516 | 296 | 196 | 67 | 112 | 34 | 5 | 120 | 98 | ||
10kV | 63A | 462 | 239 | 209 | 78 | 110 | 24 | 7 | 100 | 78 | |
125A | 528 | 279 | 239 | 78 | 118 | 29 | 7 | 100 | 78 | ||
250A | 528 | 279 | 239 | 78 | 123 | 29 | 7 | 100 | 78 | ||
36kV | 63A | 532 | 314 | 209 | 78 | 114 | 24 | 7 | 120 | 98 | |
125A | 588 | 329 | 234 | 78 | 123 | 29 | 7 | 120 | 98 | ||
250A | 588 | 329 | 234 | 78 | 128 | 29 | 7 | 120 | 98 |