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Draw-lead type bushing (10~20kV with a welded rod)

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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Draw-lead type bushing outline dimensions(10~20kV with a welded rod)

 

Sequence Number Code Model Dimensions Opening Arcing distance Creep distance Shield Weight
(kg)
H h2 h3 d1 d3 d0 h1
1 AM.BDA.801 BJD-10/100 305 345 65 115 60 65 122 320 3 single umbrella 2.7
2 AM.BDA.806 BJD-10/100 315 345 60 100 60 65 137 410 5 single umbrella 2.7
3 AM.BDA.808 BJD-10/100 375 400 120 100 60 65 137 410 5 single umbrella 3
4 AM.BDA.811 BJDW-10/100 340 345 65 115 60 65 157 400 3 big 2 small 3.3
5 AM.BFA.801 BJD-20/100 343 345 60 100 60 65 165 480 6 single umbrella 3.1
6 AM.BFA.803 BJD-20/100 403 400 120 100 60 65 165 480 6 single umbrella 3.4
7 AM.BFA.806 BJD-20/100 371 400 60 100 60 65 193 550 7 single umbrella 3.4
8 AM.BFA.811 BJD-20/100 375 400 65 115 60 65 192 430 4 single umbrella 3.1
9 AM.BFA.812 BJD-20/100 410 459 100 115 60 65 192 430 4 single umbrella 3.3
10 AM.BFA.813 BJD-20/100 430 459 120 115 60 65 192 430 4 single umbrella 3.4
11 AM.BFA.814 BJD-20/100 460 459 150 115 60 65 192 430 4 single umbrella 3.5
12 AM.BFA.816 BJDW-20/100 375 400 65 135 60 65 192 510 3 big 2 small 3.6
13 AM.BFA.817 BJDW-20/100 410 459 100 135 60 65 192 510 3 big 2 small 3.9
14 AM.BFA.819 BJDW-20/100 460 459 150 135 60 65 192 510 3 big 2 small 4.2
15 AM.BFA.821 BJDW-20/100 425 459 65 135 60 65 242 660 4 big 3 small 4.8
16 AM.BFA.822 BJDW-20/100 460 459 100 135 60 65 242 660 4 big 3 small 5.1
17 AM.BFA.824 BJDW-20/100 510 535 150 135 60 65 242 660 4 big 3 small 5.3
18 AM.BFA.826 BJD-20/100 505 535 65 115 65 70 322 530 4 single umbrella 5.5
19 AM.BFA.829 BJD-20/100 590 535 150 115 65 70 322 530 4 single umbrella 5.8
20 AM.BFA.831 BJD-20/100 505 535 65 135 65 70 322 810 7 single umbrella 7.8
21 AM.BFA.834 BJD-20/100 590 535 150 135 65 70 322 810 7 single umbrella 8.2

 

Note: add "n" after the model when using the built-in structure, add "P" after the model when using the pressure plate structure, and add "H" after the model when using butterfly type tablet

After the code, add "DZ" to represent the terminal, and "t" to represent the sheath. In addition, other specifications can be customized according to customer requirements.

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