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DIN standard transformer porcelain bushing (12~36kV/250~630A Draw-lead type bushing DIN42531)
The HV series with the widest range of available designs and customizations. This bushing type is widely used for insulating power transformers on the low-voltage side in both indoor and outdoor applications.<br> The HV series are solid porcelain liquid filled (hollow core oil communicating) designed in accordance with the standards EN 50180 and EN 50243 (formerly DIN 42531-2-3-4 & 42541).<br> Transformer oil fills the space between the conductor (a rigid cylindrical copper stem) and the porcelain, increasing the electrical insulation and dissipating the thermal energy generated by the high current.<br> Featuring an extensive range of available customizations, the HV bushing can be manufactured according to almost any kind of customer requirement (i.e. rod extension, special connectors, special finish surface, etc.)<br> Designed for both indoor and outdoor applications, the HV bushing series can even operate under extreme environmental conditions (i.e. very polluted areas, very cold/hot ambient temperatures, very corrosive/aggressive environments, etc.).
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DIN standard transformer porcelain bushing outline dimensions (12~36kV/250~630A Draw-lead type bushing )
Sequence Number | Code | Model | Dimensions | Opening | Arcing distance | Creep distance | Shield | Weight (kg) |
|||||||||
H | h2 | h3 | Md | d1 | d2 | d3 | d4 | E | C | d0 | h1 | ||||||
1 | AM.DDA.002 | DIN-12/250 | 367 | 250 | 65 | M12×1.75 | 140 | 12 | 74 | 51 | 146 | 70 | 78 | 174 | 300 | 2 single umbrella | 5 |
2 | AM.DDD.002 | DIN-12/630 | 400 | 246 | 65 | M20×2.5 | 150 | 20 | 88 | 60 | 174 | 70 | 92 | 174 | 310 | 2 single umbrella | 7.1 |
3 | AM.DFA.002 | DIN-24/250 | 457 | 340 | 80 | M12×1.75 | 145 | 12 | 74 | 51 | 146 | 100 | 78 | 249 | 440 | 3 single umbrella | 6.8 |
4 | AM.DFD.002 | DIN-24/630 | 490 | 336 | 80 | M20×2.5 | 160 | 20 | 88 | 60 | 174 | 100 | 92 | 249 | 460 | 3 single umbrella | 9.3 |
5 | AM.DGA.002 | DIN-36/250 | 557 | 440 | 80 | M12×1.75 | 155 | 12 | 74 | 51 | 146 | 200 | 78 | 349 | 610 | 4 single umbrella | 7.8 |
6 | AM.DGD.002 | DIN-36/630 | 615 | 461 | 100 | M20×2.5 | 180 | 20 | 88 | 60 | 174 | 200 | 92 | 354 | 670 | 4 single umbrella | 12 |
Note: Other specifications can be customized according to customer needs.
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