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Insulators, Spool

• Meets ANSI 53-2 spool requirements:
• 3,000-lb. ultimate tensile strength
• Low frequency flashover ratings of Dry 25 kV, Wet 15 kV
• Lightweight at 4.4 oz. (vs. Porcelain at 1 lb. 3 oz.)

A superior direct replacement for porcelain ANSI 53-2 spools in identical installations, this polymer spool won't chip, crack or break like porcelain. For compatible with standard hardware installations, its shape is consistent with its porcelain counterparts. Molded from specially-blended UV-stable polymers, it delivers high compressive strength and electrical performance. Light weight (4.4 oz.) is inherent to the rugged polymer material.

Polymer
Catalog Number ANSI Class Color Minimum
Ultimate Tensile Strength
Low Frequency Flashover (kV) Approx. Ship Wt. per Each
Dry, 60 Sec. Wet, 10 Sec.
Vertical Horizontal
C9091032P* 53-2 Black 3,000 lbs. 25 kV 12 kV 15 kV 0.29 lbs.
C9091032PG Grey
C9091032PW White
C9091032Y Yellow

Spool insulators are used with spool bolts (upset bolts) clevises, secondary racks and various brackets for deadending or supporting secondary voltage conductors.

Porcelain, Wet Process
Catalog Number ANSI Class Color Minimum
Ultimate Tensile Strength
Low Frequency Flashover (kV) Approx. Ship Wt. per Each
Dry, 60 Sec. Wet, 10 Sec.
Vertical Horizontal
C9091031 53-1 Sky Glaze Grey 2,000 lbs. 20 kV 8 kV 10 kV 0.50 lbs.
DE4S5 53-2 3,000 lbs. 25 kV 12 kV 15 kV 1.20 lbs.
DE4S3 Brown Glaze
C9091033 53-3 Sky Glaze Grey 4,000 lbs. 1.25 lbs.
C9091034 53-4 4,500 lbs. 2.35 lbs.
C9091035 53-5 6,000 lbs. 35 kV 18 kV 25 kV 2.45 lbs.
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