1.2 KV417 A BIL 30KV ANSI Spade 4 Hole Porcelain Bushing Transformer Insulator

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  • Details

The Threaded Bushings for voltage of 1.2kV are supplied assembled with the respective porcelain, NBR gaskets, copper threaded rod, blued steel spin grip nut, zinc-plated brass connector and stainless steel lock washer and nut.


Low-voltage transformers with separate leads normally have solid porcelain bushings. These bushings consist of high-grade porcelain cylinders through which the connections pass. The outside surface may be plain or have a series of corrugations or skirts to increase the surface leakage path to the metal case. When the conductors are brought to the transformers in lead-covered cables, the leads often enter through cable terminators. These terminators are similar to ordinary potheads and are attached to the transformer with the bushings inside the case.



1.Material: porcelain insulator

2.Glaze color: light gray

3.Rated voltage: 1.2KV BIL:30KV

4.Rated current: 417A

5.Standard: ANSI

Our Advantage

* Low voltage 

* Good strength

* Good insulating properties

* Lightning-withstand

* Anti-corrosion

* Rustproof

* Mature brass processing

* Using bright tin makes it not easy to be scratched


Rated VoltageRated CurrentCreep DistanceImpulse LeveWet withstand VoltageTank Hole DiameterPorcelain Color
1.2kv417A≥23mm30kV10kVφ71.2-R5.54mmgray


ITEMDESCRIPTIONQTYMATERIAL
1Copper stem 420A1Copper
25871-417A  4HOLE1Brass Forging
3Plain gasket (43X16X3)1NBR
4Steel gasketφ45Xφ17x31Stainless steel 304
5Brass nut 5/8"-113Brass
6Brass washerφ30Xφ17X22Brass
7GNY 7991-1 Porcelain1Porcelain
8Flange gasket(φ92.5Xφ70x4)1NBR
9AS1248-023-04 Spring Card1Steel



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