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ANSI 53-2 Spool Insulator

High-Specification ANSI 53-2 Porcelain Spool Insulator for Low Voltage

The spool insulator is also called a shackle insulator or shackle type insulator, it is a type of low voltage insulator usually assembled with upset bolts, secondary racks, or secondary clevises to provide insulation for the conductors on the pole.ANSI 53-2 8.jpg

  • Brand: QOCI
  • Catalog ID: ANSI 53-2
  • Type: Spool Insulator
  • Material: Porcelain
  • Place of Origin: Jiangxi

Dimensional data


Spacing (S)

3  inch

76 mm


Diameter (D)

3 1/9 inch

79 mm


Mechanical values


Combined M&E strength:

3,000 lb

13.6 kN


Electrical Values


Low-frequency dry flashover voltage:

25 kV


Low-frequency wet flashover, vertical :

12 kV


Low-frequency wet flashover voltage, horizontal:

15 kV


Packing information


Approx. net weight per unit

0.5 kg

Carton Quantity

60 pcs

Pallet Quantity

1440 pcs

Industry Standard(s)


Manufactured according to ANSI C29.3


ANSI 53-2 9.jpg

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