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Aluminum flanged porcelain bushing (10~20kV/50~630A draw-lead type 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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Aluminum flanged porcelain Bushing outline dimensions(10~20kV/50~630A draw-lead type bushing)

 

Sequence Number Code Model Dimensions Opening Arcing distance Creep distance Shield Weight
(kg)
H h2 Md d1 d2 d0 h1
63 AM.LDA.001 FBJL-10/50 305 208 M12×1.75 115 6 70 130 280 3 single umbrella 3.5
64 AM.LDA.002 FBJL-10/100 305 208 M12×1.75 115 9 70 130 280 3 single umbrella 3.5
65 AM.LDA.003 FBJL-10/250 305 208 M12×1.75 115 12 70 130 280 3 single umbrella 3.5
66 AM.LDA.004 FBJL-10/315 305 208 M12×1.75 115 16 70 130 280 3 single umbrella 3.5
80 AM.LFA.001 FBJL-20/50 375 278 M12×1.75 115 6 70 200 340 3 single umbrella 3.9
81 AM.LFA.002 FBJL-20/100 375 278 M12×1.75 115 9 70 200 340 3 single umbrella 3.9
82 AM.LFA.003 FBJL-20/250 375 278 M12×1.75 115 12 70 200 340 3 single umbrella 3.9
83 AM.LFA.004 FBJL-20/315 375 278 M12×1.75 115 16 70 200 340 3 single umbrella 3.9
84 AM.LFA.005 FBJLW-20/50 375 278 M12×1.75 115 6 70 200 400 3 big 2 small 4
85 AM.LFA.006 FBJLW-20/100 375 278 M12×1.75 115 9 70 200 400 3 big 2 small 4
86 AM.LFA.007 FBJLW-20/250 375 278 M12×1.75 115 12 70 200 400 3 big 2 small 4
87 AM.LFA.008 FBJLW-20/315 375 278 M12×1.75 115 16 70 200 400 3 big 2 small 4
90 AM.LFB.001 FBJLW-20/400 406 262 M16×2 135 16 70 200 490 3 big 2 small 4.8
93 AM.LFD.001 FBJLW-20/630 406 262 M20×2.5 135 20 70 200 490 3 big 2 small 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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