WST4 Series Strip-Type No-Excitation Tap Changer
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Product Details
This type of switch operating mechanism comes in two variants, as follows; unless otherwise specified, the switch is equipped with Type B.
WSTI4T Series bar-form de-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
|||||
| H | L | L1 | l | Φd1 | Φd2 | ||
| WSTⅠ,30/24-4×3T | 70, 100, 150, 170, 200 (For user selection) |
405 | 65 | 18 | Φ3.1 | Φ5 | Φ20*1 |
| WSTⅠ,30/24-6×5T | 513 | ||||||
| WSTⅠ,30/24-8×7T | 621 | ||||||
| WSTⅠ,30/33-4×3T | 480 | 90 | |||||
| WSTⅠ,30/33-6×5T | 588 | ||||||
| WSTⅠ,30/33-6×5T | 696 | ||||||
| WSTⅠ,63/24-4×3T | 405 | 65 | Φ5.1 | Φ7 | |||
| WSTⅠ,63/24-6×5T | 513 | ||||||
| WSTⅠ,63/24-8×7T | 621 | ||||||
| WSTⅠ,63/33-4×3T | 480 | 90 | |||||
| WSTⅠ,63/33-6×5T | 588 | ||||||
| WSTⅠ,63/33-8×7T | 696 | ||||||
Post-processing of this structural switch model
The operating mechanism of the tap changer is available in plastic and aluminum alloy, offering users a choice.
Add T to the type of this kind of tap-changer
Available materials of the tap-changer knob for the users to choose are plastic and aluminum alloy.
WSTIIT Series bar-form de-energized tap-changer
| Switch model Type of tap changer |
Installation dimension (mm) | Hatch opening Holes on tank cover（mm） |
|||||
| H | L | L1 | l | Φd1 | Φd2 | ||
| WST II4 30/24-4 × 3T | 70, 100, 150, 170, 200 (According to user selection) |
347 | 55 | 18 | Φ3.1 | Φ5 | Φ20+1 |
| WST II4 30/24-6 × 5T | 455 | ||||||
| WST II4 30/24-8 × 7T | 563 | ||||||
| WST II4 30/33-4 × 3T | 422 | 80 | |||||
| WST II4 30/33-6 × 5T | 530 | ||||||
| WST II4 30/33-8 × 7T | 638 | ||||||
| WST II4 63/24-4 × 3T | 347 | 55 | Φ5.1 | Φ7 | |||
| WST II4 63/24-6 × 5T | 455 | ||||||
| WST II4 63/24-8 × 7T | 563 | ||||||
| WST II4 63/33-4 × 3T | 422 | 80 | |||||
| WST II4 63/33-6 × 5T | 530 | ||||||
| WST II4 63/33-8 × 7T | 638 | ||||||
This structural switch model is designated with a trailing “T”.
The operating mechanism of the tap changer is available in plastic and aluminum alloy, offering users a choice.
Add T to the type of this kind of tap-changer
Available materials of the tap-changer knob for the users to choose are plastic and aluminum alloy.
WSTIII4 T Series bar-form de-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
|||||
| H | L | L1 | l | Φd1 | Φd2 | ||
| WDTⅡ430/24-4×3T | 70, 100, 150, 170, 200 (For user selection) |
182 | 55 | 18 | Φ3.1 | Φ5 | Φ20+1 |
| WDTⅡ430/24-6×5T | 250 | ||||||
| WDTⅡ430/24-8×7T | 323 | ||||||
| WDTⅡ430/33-4×3T | 207 | 80 | |||||
| WDTⅡ430/33-6×5T | 275 | ||||||
| WDTⅡ430/33-8×7T | 348 | ||||||
| WDTⅡ463/24-4×3T | 182 | 55 | Φ5.1 | Φ7 | |||
| WDTⅡ463/24-6×5T | 250 | ||||||
| WDTⅡ463/24-8×7T | 323 | ||||||
| WDTⅡ463/33-4×3T | 207 | 80 | |||||
| WDTⅡ463/33-6×5T | 275 | ||||||
| WDTⅡ463/33-8×7T | 348 | ||||||
WDTIIT series bar-form de-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap changer |
Installation dimension (mm) | Hatch opening Holes on tank cover（mm） |
|||||
| H | L | L1 | l | Φd1 | ϕd2 | ||
| WST Ⅲ ₄ 30/24–3 × 3T | 70, 100, 150, 170, 200 (For user selection) |
302 | 40 | 18 | Φ3.1 | Φ5 | Φ20*1 |
| WST Ⅲ ₄ 30/24–5 × 5T | 410 | ||||||
| WST Ⅲ ₄ 30/24–7 × 7T | 518 | ||||||
| WST Ⅲ ₄ 30/33–3 × 3T | 422 | 80 | |||||
| WST Ⅲ ₄ 30/33–5 × 5T | 530 | ||||||
| WST Ⅲ ₄ 30/33–7 × 7T | 638 | ||||||
| WST Ⅲ ₄ 63/24–3 × 3T | 302 | 40 | Φ5.1 | Φ7 | |||
| WST Ⅲ ₄ 63/24–5 × 5T | 410 | ||||||
| WST Ⅲ ₄ 63/24–7 × 7T | 518 | ||||||
| WST Ⅲ ₄ 63/33–3 × 3T | 422 | 80 | |||||
| WST Ⅲ ₄ 63/33–5 × 5T | 530 | ||||||
| WST Ⅲ ₄ 63/33–7 × 7T | 638 | ||||||
W(D+L)TII4 T Series bar-form de-energized tap-changer
W(D+L)Tll4.30~63/12-6x5T (Forward)
Type of tap-changer and installation size chart
| Switch model Type of tap-changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
||||
| H | L | L1 | Φd1 | Φd2 | ||
| WST II 41 30/12~24-4 × 3T | 70, 100, 120, 150, 170, 200 | 347 | 55 | 3.1 | 5 | Φ43 |
| WST II 41 63/12~24-4 × 3T | 347 | 55 | 5.1 | 7 | Φ43 | |
| WST II 41 30/12~24-6 × 5T | 455 | 55 | 3.1 | 5 | Φ43 | |
| WST II 41 63/12~24-6 × 5T | 455 | 55 | 5.1 | 7 | Φ43 | |
| WST II 41 30/12~24-8 × 7T | 563 | 55 | 3.1 | 5 | Φ43 | |
| WST II 41 63/12~24-8 × 7T | 563 | 55 | 5.1 | 7 | Φ43 | |
| WST II 41 30/30~33-4 × 3T | 422 | 80 | 3.1 | 5 | Φ43 | |
| WST II 41 63/30~33-4 × 3T | 422 | 80 | 5.1 | 7 | Φ43 | |
| WST II 41 30/30~33-6 × 5T | 530 | 80 | 3.1 | 5 | Φ43 | |
| WST II 41 63/30~33-6 × 5T | 530 | 80 | 5.1 | 7 | Φ43 | |
| WST II 41 30/30~33-8 × 7T | 638 | 80 | 3.1 | 5 | Φ43 | |
| WST II 41 63/30~33-8 × 7T | 638 | 80 | 5.1 | 7 | Φ43 | |
WST II42 T Series bar-form de-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap-changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
||||
| H | L | L1 | Φd1 | Φd2 | ||
| WST II 42 30/12~24-4×3T | 70, 100, 120, 150, 170, 200 | 347 | 55 | 3.1 | 5 | Φ20 |
| WST II 42 63/12~24-4×3T | 347 | 55 | 5.1 | 7 | ||
| WST II 42 30/12~24-6×5T | 455 | 55 | 3.1 | 5 | ||
| WST II 42 63/12~24-6×5T | 455 | 55 | 5.1 | 7 | ||
| WST II 42 30/12~24-8×7T | 563 | 55 | 3.1 | 5 | ||
| WST II 42 63/12~24-8×7T | 563 | 55 | 5.1 | 7 | ||
| WST II 42 30/30~33-4×3T | 422 | 80 | 3.1 | 5 | ||
| WST II 42 63/30~33-4×3T | 422 | 80 | 5.1 | 7 | ||
| WST II 42 30/30~33-6×5T | 530 | 80 | 3.1 | 5 | ||
| WST II 42 63/30~33-6×5T | 530 | 80 | 5.1 | 7 | ||
| WST II 42 30/30~33-8×7T | 638 | 80 | 3.1 | 5 | ||
| WST II 42 63/30~33-8×7T | 638 | 80 | 5.1 | 7 | ||
WSTII44T Series bar-form de-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap-changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
||
| H | L | L1 | ||
| WST Ⅱ 44 63/12-4×3T | 70, 100, 120, 150, 170, 200 | 347 | 55 | Φ20 |
| WST Ⅱ 44 63/12-6×5T | 347 | 55 | Φ20 | |
| WST Ⅱ 44 63/12-8×7T | 455 | 55 | Φ20 | |
WST II4 Series bar-form combined de-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap-changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
||||
| H | L | L1 | Φd1 | Φd2 | ||
| WST Ⅱ 4 30/12~24-4×3T ZH | 70, 100, 120, 150, 170, 200 | 347 | 55 | 3.1 | 5 | Φ20 |
| WST Ⅱ 4 63/12~24-4×3T ZH | 347 | 55 | 5.1 | 7 | ||
| WST Ⅱ 4 30/12~24-6×5T ZH | 455 | 55 | 3.1 | 5 | ||
| WST Ⅱ 4 63/12~24-6×5T ZH | 455 | 55 | 5.1 | 7 | ||
| WST Ⅱ 4 30/12~24-8×7T ZH | 563 | 55 | 3.1 | 5 | ||
| WST Ⅱ 4 63/12~24-8×7T ZH | 563 | 55 | 5.1 | 7 | ||
WSTVI4 30~63/24-5x2T
WSTll4 30~63/24-6 5T
WSTll4 30~63/24-6x5T
Type of tap-changer and installation size chart
| Switch model Type of tap-changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
||
| H | Φd1 | Φd2 | ||
| WSTⅥ△30/24-5×2T WSTⅡ△30/24-6×5T WSTⅡ△30/24-6×5T |
70, 100, 200 | 3.1 | 5 | φ20 |
| WSTⅥ△63/24-5×2T WSTⅡ△63/24-6×5T WSTⅡ△63/24-6×5T |
5.1 | 7 | φ20 | |
WSTII4 □/□-□x□ LW series bar-formde-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
||||
| L | L1 | l | Φd1 | Φd2 | ||
| WST II 4 30/10~24-4×3LW | 357 | 55 | 18 | Φ2.5 Φ3.1 Φ5.1 |
Φ5 | Φ20+1 |
| WST II 4 63/10~24-4×3LW | 357 | 55 | 18 | Φ7 | ||
| WST II 4 30/10~24-5×4LW | 401 | 55 | 18 | Φ5 | ||
| WST II 4 63/10~24-5×4LW | 401 | 55 | 18 | Φ7 | ||
| WST II 4 30/10~24-6×5LW | 455 | 55 | 18 | Φ5 | ||
| WST II 4 63/10~24-6×5LW | 455 | 55 | 18 | Φ7 | ||
| WST II 4 30/30~33-6×5LW | 530 | 80 | 18 | Φ5 | ||
| WST II 4 63/30~33-6×5LW | 530 | 80 | 18 | Φ7 | ||
WSTII4 □/□-□x□ LN series bar-form de-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
|||||
| H | L | L1 | l | Φd1 | ϕd2 | ||
| WST Ⅱ ₄ 30/10~24-4×3LN | 108, 158, 208 |
357 | 55 | 18 | Φ2.5 Φ3.1 Φ5.1 |
Φ5 | Φ20+1 |
| WST Ⅱ ₄ 63/10~24-4×3LN | 357 | 55 | 18 | Φ7 | |||
| WST Ⅱ ₄ 30/10~24-5×4LN | 401 | 55 | 18 | Φ5 | |||
| WST Ⅱ ₄ 63/10~24-5×4LN | 401 | 55 | 18 | Φ7 | |||
| WST Ⅱ ₄ 30/10~24-6×5LN | 455 | 55 | 18 | Φ5 | |||
| WST Ⅱ ₄ 63/10~24-6×5LN | 455 | 55 | 18 | Φ7 | |||
| WST Ⅱ ₄ 30/30~33-6×5LN | 530 | 80 | 18 | Φ5 | |||
| WST Ⅱ ₄ 63/30~33-6×5LN | 530 | 80 | 18 | Φ7 | |||
WSTlI4 30~63/35-6x5YK series bar-form de-energized tap-changer
Type of tap-changer and installation size chart
| Switch model Type of tap changer |
Installation dimension (mm) | Hatch opening Holes on tank cover (mm) |
||||
| L | L1 | L2 | Φd1 | Φd2 | ||
| WST Ⅱ 430/35-6×5YK BH8~12 L=1134 | 1134 | 320 | 330 | Φ3.1 | Φ5 | Φ20+1 |
| WST Ⅱ 463/35-6×5YK BH8~12 L=1134 | 1134 | 320 | 330 | Φ5.1 | Φ7 | |
| WST Ⅱ 430/35-6×5YK BH8~12 L=1334 | 1334 | 420 | 430 | Φ3.1 | Φ5 | |
| WST Ⅱ 463/35-6×5YK BH8~12 L=1334 | 1334 | 420 | 430 | Φ5.1 | Φ7 | |
Keywords:
WST4 Series Strip-Type No-Excitation Tap Changer
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