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Item # R-250, R-250 Electric Insulators


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Electric insulators for various applications: busbars, switch gear, etc. Insulators are made with a glass reinforced polyester bulk molding compound, and aluminum threads. They are compression molded to give you the highest strength available.

The BMC (Bulk Molding Compound) material is U.L. listed 94-VO for flammability, and meets requirements for the U.L. 891 standard for safety. Every insulator is hi-pot tested at 3,000 volts, and inspected for: cracks, short spots, and defects of any kind

Applications
  • Custom sizes and shapes available
  • Available with aluminum, brass, or steel inserts
  • Available with female or male inserts upon request





 Specifications   

Gauge

1/4

Thread

20

Deep

3/16

Diameter Shape

Circular

Diameter

1 inch

Height

3/4 inch

Threading Options

American
Metric

Dielectric Strength

15 kV

Insert Material

Aluminum
Brass

Steel

Insert Junction

Female
Male

Arc Resistance

180 + sec

Flammability

meets UL 94-VO rating at 1/4 " thickness

Impact

50 inch/lbs.

Tensile Strength

1300 ft/lbs.

Cantilever Strength

750 ft/lbs.

Torque Strength

14 ft/lbs.

Water Absorption

0.29

Height Tolerance

0.015 inch

Thread Inserts

1/4 " x 20 x 3/16 "

U/L Material

E-27601-C, 2/27/76

Packaging

500

Weight per Package

24 lbs.

Insulation Material

glass reinforced polyester bulk molding compound

Custom Insert Material Request

Aluminum
Brass

Steel


Rich Plastics Products Inc. | Manufacturer of Quality Standoff Insulators Since 1955