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Item # 019305-3015, Spool Insulators

Spool Insulators are a universal design for application in systems up to 750 VDC. Spool Insulator versatility allows many applications such as those shown below. They are manufactured of a steel boss with a 5/8"-11 tapped hole, a 5/8"-11 stud, and molded using a special glass reinforced polyester. Spool Insulators are rated at an ultimate tensile load of 10,000 lbs. pull strength and a 3,000 lbs. cantilever strength with a leakage distance of 2.44 inches.

Specifications  · Ratings



5/8 to 11 in

Stud Length

3.00 in

Voltage Level

750 VDC

Ultimate Tensile Load (Pull Strength)

10000 lbs.

Cantilever Strength

3000 lbs.


1.10 lbs.


Leakage Distance

2.44 in


·  Spool Insulators - 3