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Wafer type bushing (1~3kV/315~630A screw connected bushing)

The transformer sleeve is the main insulating device outside the transformer box. The lead wire of the transformer winding must pass through the insulating sleeve to insulate the lead wire between the lead wire and the lead wire between the transformer shell, and to fix the lead wire at the same time.Due to different voltage levels, the insulation sleeve has pure porcelain sleeves, oil-filled sleeves and capacitive sleeves.Pure porcelain bushing is mostly used for transformers of 10kV and below. It is to wear a conductive copper rod in the porcelain bushing, and the inside of the porcelain bushing is air insulated.The oil-filled bushing is mainly used in the 35kV class transformer. It is oil-filled in the porcelain bushing. A conductive copper pole is worn in the porcelain bushing.Capacitive bushing is composed of main insulating capacitor core, outer insulating upper and lower porcelain parts, connecting sleeve, oil pillow, spring assembly, base, equalizing ball, measuring terminal, wiring terminal, rubber washer, insulating oil, etc.It is used in high voltage transformers above 100kV.

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Wafer Type Bushing

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Wafer type bushing outline dimensions(1~3kV/315~630A screw connected bushing)

 

Sequence Number Code Model Dimensions Opening Aarcing distance Creep distance Shield Weight
（kg）
H h2 h3 Md d1 d2 d3 d0 h1
1 AM.AAA.001 BF-1/315 185 60 30 M12×1.75 56 — 55 30 53 65 1 single umbrella 0.6
2 AM.AAB.001 BF-1/400 205 65 35 M16×2 76 — 80 50 53 75 1 single umbrella 1.4
3 AM.AAD.001 BF-1/630 205 65 35 M20×2.5 76 — 80 50 53 75 1 single umbrella 1.7
4 AM.AAA.801 BFJ-1/315 215 90 30 M12×1.75 56 65 55 30 53 65 1 single umbrella 0.9
5 AM.AAB.801 BFJ-1/400 235 95 35 M16×2 76 95 80 50 53 75 1 single umbrella 1.8
6 AM.AAD.801 BFJ-1/630 235 95 35 M20×2.5 76 95 80 50 53 75 1 single umbrella 2.3
7 AM.ABA.801 BFJ-3/315 235 90 30 M12×1.75 62 65 55 30 73 110 2 single umbrella 1.1
8 AM.ABB.801 BFJ-3/400 255 95 35 M16×2 86 95 80 50 73 130 2 single umbrella 2
9 AM.ABD.801 BFJ-3/630 255 95 35 M20×2.5 86 95 80 50 73 130 2 single umbrella 2.5

 

Note: add "DZ" after the code to represent the terminal, and "T" to represent the sheath. Other specifications can be customized according to customer requirements.

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Wafer type bushing (1~3kV/800~1250A screw connected bushing)

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Wafer type bushing (1~3kV/800~1250A screw connected bushing)

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