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Mar-Bal Glastic® 1872 Standoff Insulator, 3200 V, 3/8-16 x 9/16", 2-1/2" H, Red

ID: STAOFF18721A Mfr ID: 1872-1A
Manufactured by: Mar-Bal
Molded Insulators have a higher resistance to heat and moisture when compared to regular plastic insulators. These molded insulators also have closer height tolerances and higher shatter resistance when compared to ceramic insulators.
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  • Brand name :  Marbal
  • Trade Name :  Glastic®
  • Series :  Glastic® 1872
  • Item Name :  Standoff Insulator
  • Short Desc :  STANDOFF,1872,3200V,2.5"H,3/8X16X9/16
  • Packaging :  50/Pack
  • UNSPSC :  39121721

Hi-Pot tested to assure electrical reliability. Wet or dirty conditions may require derating an insulator.


WARNING: California Proposition 65 - Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Performance Details
Cantilever Strength 3000  Inch-lb
Compression Strength 25000  lb
Flame Retardant Yes 
Tensile Strength 2500  lb
Torque Strength 35  ft-lb
Track Resistance 600  min
Design & Construction
Color Red 
Material Polyester 
General Features
Net Weight 0.44 lb 
Electrical Properties
Short Time Electrical Strength 51.4  kV
Voltage Rating 3200  V
Physical Properties
Arc Resistance 180  sec
Creep Distance 0.312 Inch + Insulator Height 
Height 2.5  Inch
Height Tolerance +/-0.015 Inch 
Insert Size 3/8-16 x 9/16 Inch 
Shape Round 
Thread Size 3/8-16 x 9/16 Inch 

Mar-Bal Glastic® 1872 Standoff Insulator, 3200 V, 3/8-16 x 9/16", 2-1/2" H, Red Catalog 

Features :

  • Glastic standoff insulators are molded of underwriters laboratories incorporated® (UL) recognized flame resistant fiberglass-reinforced thermoset polyester molding compound
  • They feature shatter resistance and closer height tolerances than commonly available in porcelain insulators
  • Moisture and heat-resistance properties of glastic insulators are higher than those of conventional plastic insulators
  • Insulators mounted within a suitable electrical cabinet are considered indoors even though the cabinet itself is outdoors
  • An insulator will withstand its rated voltage continuously but industry standards or other specifications may require a different spacing from conductor to ground for a particular voltage

Applications :

  • Glastic Insulators are Primarily Intended to be Used Indoors or Inside a Suitable Enclosure