제품
WST4 Three-Phase No-Load Tap-Changer (Delta Connection)
This switch is suitable for three-phase combined oil-immersed transformer power with rated voltage of 10KV-36KV and rated current of 63A-250A; its voltage regulation modes include: central part, terminal point and neutral point, which can be directly fixed on the oil tank cover of the transformer and switched under the condition of open circuit.
WST4 Three-Phase Tap-Changer (Delta Connection)
Used in mineral oil or silicone oil
Rated voltage 10 KV-36 KV
Current rating 63 A to 250 A
Knock position: 3-7
The regulatory fee rate is 2.5% per transaction.
Model interpretation
W: Power off
S: three-phase; D: single-phase
T: Linear tap changer
Voltage regulation model
Rated current
Rated voltage
Number of tapping heads
Number of tap positions


Voltage regulation model
I: End point
II: Center point
III: Neutral point
IV: Y- △ conversion
V: Series-parallel connection
Our advantage
High pressure capability
Powerful anti-aging ability
Strong lightning protection impact
Strong protection
Smooth use
Stable use
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