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DIN 42531 porcelain bushing (12~36kV/250~630A)
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 42531 porcelain bushing outline dimensions (12~36kV/250~630A)
These bushings are used for oil type distribution transformer, these bushings are available in a variety of designs and can be customized to meet almost any type of customer requirements (eg tinning, special drilling, special connectors, etc.).
The LV series features a porcelain insulator on the oil side; in addition, the rods are available in copper or brass.
| Sequence Number | Code | Model | Dimensions | Opening | Aarcing distance | Creep distance | Shield | Weight （kg） | ||||||||
| H | h2 | h3 | Md | d1 | d3 | d4 | E | C | d0 | h1 | ||||||
| 1 | AM.DDA.001 | DIN-12/250 | 427 | 125 | 60 | M12×1.75 | 140 | 74 | 51 | 146 | 70 | 78 | 174 | 300 | 2 single umbrella | 5.3 |
| 2 | AM.DDD.001 | DIN-12/630 | 475 | 140 | 75 | M20×2.5 | 150 | 88 | 60 | 174 | 70 | 92 | 174 | 310 | 2 single umbrella | 8 |
| 3 | AM.DFA.001 | DIN-24/250 | 517 | 140 | 60 | M12×1.75 | 145 | 74 | 51 | 146 | 100 | 78 | 249 | 440 | 3 single umbrella | 7.2 |
| 4 | AM.DFD.001 | DIN-24/630 | 565 | 155 | 75 | M20×2.5 | 160 | 88 | 60 | 174 | 100 | 92 | 249 | 460 | 3 single umbrella | 10.4 |
| 5 | AM.DGA.001 | DIN-36/250 | 617 | 140 | 60 | M12×1.75 | 155 | 74 | 51 | 146 | 200 | 78 | 349 | 610 | 4 single umbrella | 8.3 |
| 6 | AM.DGD.001 | DIN-36/630 | 690 | 175 | 75 | M20×2.5 | 180 | 88 | 60 | 174 | 200 | 92 | 354 | 670 | 4 single umbrella | 13.5 |
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Note: Other specifications can be customized according to customer needs.
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