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Mar-Bal Glastic® 4000 Aluminum Center Post Insulator, MFR ID Glastic® 4000-ALU

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…
  • MFR #:Glastic® 4000-ALU
  • EIS #:PH21-Glastic 4000-ALU
  • MFR #:Glastic® 4000-ALU
  • EIS #:PH21-Glastic 4000-ALU
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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.
$6.13
 - $10.82
Select from the options below
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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.

Product Options

Showing 6 out of 6 options
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…
Voltage Rating: 
2700 V
Thread Size: 
3/8 - 16-9/16 Inch
EIS Part #: 
STAOFF4225A5
$ / Piece
Pack: 108/Carton
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…
Voltage Rating: 
2500 V
Thread Size: 
1/2 - 13-5/8 Inch
EIS Part #: 
STAOFF4200A6
$ / Piece
Pack: 133/Carton
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…
Voltage Rating: 
2000 V
Thread Size: 
3/8 - 16-3/8 Inch
EIS Part #: 
STAOFF4175A4
$ / Piece
Pack: 144/Carton
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…
Voltage Rating: 
2000 V
Thread Size: 
5/16 - 18-3/8 Inch
EIS Part #: 
STAOFF4175A3
$ / Piece
Pack: 144/Carton
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…
Voltage Rating: 
1500 V
Thread Size: 
3/8 - 16-3/8 Inch
EIS Part #: 
STAOFF4150A4
$ / Piece
Pack: 169/Carton
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…
Voltage Rating: 
1500 V
Thread Size: 
5/16 - 18-3/8 Inch
EIS Part #: 
STAOFF4150A3
$ / Piece
Pack: 169/Carton

Attributes

General Information

Item NameCenter Post Insulator
Trade NameGlastic®

SeriesGlastic® 4000-ALU

Design & Construction

Insert TypeAluminum
MaterialPolyester

Performance Details

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

Electrical Properties

Dielectric Strength15000 V

Physical Properties

Arc Resistance180 sec
Creep Distance0.25 Inch + Height
Face Diameter2 Inch
Height Tolerance+/-0.015 Inch
Water Absorption0.15%