Plug-In Bushings | Transformers & Switchgear
Plug-In Bushings
Webster-Wilkinson produce plug-in bushings in accordance with the requirements of EN 50180 standards.
Plug-in bushings are normally used in an oil/air arrangement, by their definition this range of bushings is designed to allow off-load disconnection of cables allowing the quicker replacement of transformers or switchgear.
Bushings
The Webster-Wilkinson range covers:
Model | Overall Height | Thread OIl Side | Contact Type Air Side |
12kV/24kV 250A | |||
WWPI 24/250 | 224 | M10 | Sliding |
WWPI 24/250R | 189 | ||
WWPI 24/250L | 284 | ||
36kV 250A | |||
WWPI 36/250 | 240 | M10 | Sliding |
36kV 400A | |||
WWPI 36/400 | 330 | M16 | Sliding |
36kV 630A | |||
WWPI 36/630 | 332 | M16 | M16 |
Switchgear & Transformer Bushings
Contact us for complete range of Indoor & Outdoor Transformer Bushings manufactured in accordance with IEC 60137 and product standards including EN50386 and EN50180. A standard range of porcelain bushings are offered according to EN50336 (historically BS2562 & BS6435) for use up to 36kV 4000A.
Cable box bushings are designed for use indoors but can be used in several insulating mediums typically oil/compound (fully insulated), oil /air (partially insulated) and air/air (partially insulated).
- BS EN 50386 Bushings up to 1kV and from 250A to 5kA for liquid filled transformers
- BS EN50180 Bushings above 1kV up to 52kV and from 250A to 3,15 kA for liquid filled transformers
- BS EN50336 Bushings for transformers and reactor cable boxes not exceeding 33kV/36kV