WST4-type no-excitation tap changer

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WST4型无励磁分接开关

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WST4 Series Strip-Type No-Excitation Tap Changer
WST4 Series linear form de-energized tap-changer

This type of switch operating mechanism comes in two variants, as follows; unless otherwise specified, the switch is equipped with Type B.
This type switch operating mechanism has two types,respectively as follows,without indicating ,the switch configuration type is B

WST | 4T Series Strip-Type No-Excitation Tap Changer
WST | 4T Series linear form de-energized tap-changer

WST II 4T Series Strip-Type No-Excitation Tap Changer
WST II 4T Series linear form de-energized tap-changer

WST lll 4T Series Strip-Type No-Excitation Tap Changer
WST lll 4T Series linear form de-energized tap-changer

WDT II 4T Series Strip-Type No-Excitation Tap Changer
WDT II 4T Series linear form de-energized tap-changer

W(D+L)T II4 T-series strip-type no-excitation tap changer
W(D+L)T The 4T series linear-form de-energized tap-changer

W(D+L)T II4 30~63/12-6x5T (Forward)

W(D+L)T II4 30~63/12-6x5T F (Reverse)

WST VI4, 30~63/24-5x 2T strip-type on-load tap changer with series‑parallel connection
WST VI4, 30~63/24-5 x 2T Series-parallel exchange series linear form tap-changer