Electrical Power Solution
ANSI 53-1 Porcelain Spool Insulators
Spool insulators are used with spool bolts (upset bolts) clevises, secondary racks and various brackets for deadending or supporting secondary voltage conductors.
ANSI 53-1 Porcelain Spool Insulators
Place of origin:China
Model Number:53-1
Product name:Spool type insulator
Standard:ASNI
MOQ:1 piece
Material:porcelain
Transverse strength:9.1KN
Net weight:0.22KG


Spool type insulators | ||||||
ANSI Class |  | 53-1 | 53-2 | 53-3 | 53-4 | 53-5 |
Dimensions | ||||||
Diameter | mm | 57 | 79 | 76 | 105 | 102 |
Height | mm | 54 | 76 | 81 | 76 | 105 |
Mechanical Values | ||||||
Tensile Strength | kn | 9.1 | 13.6 | 18.2 | 20.5 | 27.3 |
Electrical Values | ||||||
Low frequency dry flashover voltage | kv | 20 | 25 | 25 | 25 | 35 |
Low frequency wet flashover voltage,vertical | kv | 8 | 12 | 12 | 12 | 18 |
Low frequency wet flashover voltage,horizontal | kv | 10 | 15 | 15 | 15 | 26 |
Packing and Shipping Data | ||||||
Net weight,approximate | kg | 0.22 | 0.55 | 0.60 | 1.15 | 1.20 |