The image shown is representative of the product family and may not specifically be the individual item. All Mar-Bal standoff insulators are molded from a flame retardant and track-resistant glass reinforced thermoset polyester molding compound recogn…
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Mar-Bal Glastic® 4000 Aluminum Center Post Insulator, 1500 V, 5/16-18 x 3/8", 1-1/2" H, Red, MFR ID 4150-A3

  • MFR #FG4415006-40
  • EIS #STAOFF4150A3
$10.82 / Piece
Pack: 169/Carton
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Pack169/Carton
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WARNING: California Proposition 65 - Cancer and Reproductive Harm - www.P65Warnings.ca.gov

All Mar-Bal standoff insulators are molded from a flame retardant and track-resistant glass reinforced thermoset polyester molding compound recognized for current carrying devices under UL Material recognition number e 80533 (n). - They combine high mechanical strength with high arc resistance and dielectric properties at elevated temperatures and humidity. These shatter-resistant insulators meet the most exacting standards for a variety of applications.

General Information

Item NameCenter Post Insulator
Trade NameGlastic®

SeriesGlastic® 4000-ALU

Design & Construction

ColorRed
ShapeOctagon
Insert TypeAluminum
MaterialPolyester

Performance Details

Flame RetardantYes
Cantilever Strength2400 Inch-lb
Compression Strength15000 lb
Tensile Strength3000 lb
Torque Strength42 ft-lb

Electrical Properties

Voltage Rating1500 V
Dielectric Strength15000 V

Physical Properties

Height1.5 Inch
Insert Size5/16 - 18-3/8 Inch
Thread Size5/16 - 18-3/8 Inch
Arc Resistance180 sec
Creep Distance0.25 Inch + Height
Face Diameter2 Inch
Height Tolerance+/-0.015 Inch
Water Absorption0.15%

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