Spool Insulators

At WSI, we offer a comprehensive range of Spool Insulators, all designed and manufactured in strict accordance with ANSI C29.3 standards. Our product line covers all types of Spool Insulators specified by ANSI standards, making us your one-stop source for insulator solutions.

Why Choose WS Spool Insulators?

Stringent Compliance

WS Spool Insulators meet and exceed ANSI standards, ensuring the highest level of performance and safety in your applications.

Versatility

We provide a wide range of Spool Insulators, suitable for various electrical and industrial needs.

Quality Assurance

Each Spool Insulator undergoes rigorous quality checks to guarantee its reliability and durability.

Custom Solutions

If you have specific requirements, we can work with you to create customized Spool Insulators tailored to your project's unique needs.

Experience the WS Advantage

With WS, you're choosing a trusted partner for all your Spool Insulator needs. Our commitment to quality, precision manufacturing, and customer satisfaction sets us apart in the industry.

WSI Product Range

SKETCH FOR SPOOL INS 53-1 - TABLE 1
SKETCH FOR SPOOL INS 53-2 - TABLE 1
SKETCH FOR SPOOL INS 53-3 - TABLE 1
SKETCH FOR SPOOL INS 53-4 - TABLE 1
SKETCH FOR SPOOL INS 53-5 - TABLE 1
ANSI Reference Number Units 53-1 53-2 53-3 53-4 53-5
Transverse strength kN 8.9 13.3 17.8 20 26.7
Maximum diameter (D) mm 57 79 76 105 102
Maximum height (H) mm 54 76 81 76 105
Hole dia. mm 18 18 18 18 18
Groove radius mm 11 18 11 16 11
No. of grooves Single Single Single Single Single
Low Frequency Dry Flashover kV 20 25 25 25 35
Low Frequency Wet Flashover - Vertical kV 8 12 12 12 18
Low Frequency Wet Flashover - Horizontal kV 10 15 15 15 25

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