13.5 kV Insulators

UL E84767

Mar-Bal 13.5 kV Spiral Insulators

 

 

 

 

 

 

 

The Mar-Bal 5kV, 13.5kV and 15kV have been tested to BIL and Power Frequency Withstand tests, see the Certificate of Compliance:

BIL and Power Frequency Withstand Voltage Certificate of Compliance

Physical and Electrical Properties
Tensile Strength (lbs.) 3000
Cantilever Strength (in. lbs) 3200
Compression Strength (lbs.) 30000
Dielectric Strength (volts S.T.) 15000
Arc Resistance (sec. ASTM D495) 180 +
Water Absorption (% in 24 hrs. @ 23°c) 0.15
Height Tolerance(in.) ±.015
Creep Distance (in.) 10
UL subject 94 Flame Resistance 94 V-0
Click for DetailsClose Details
Part Number Suggest Indoor Voltage Carton Quantity UL File Number Shape Diameter Height Insert Size Type
6500-S10 7500 20 UL E84767 Round 2-3/4 5 3/8-16 x 5/8 Steel
6500-S6 7500 20 UL E84767 Round 2-3/4 5 1/2-13 x 5/8 Steel
6375-S6 13500 20 UL E84767 Round 2-3/4 6 1/2-13 x 5/8 Steel
6375-S10 13500 20 UL E84767 Round 2-3/4 6 3/8-16 x 5/8 Steel
7000-S10 13500 20 UL E84767 Round 2-3/4 7 3/8-16 x 5/8 Steel

+ All Insulators Listed Can Also Be Molded Using MAR-BAL High Track Resistant-Supertrack MB4000 Compound
+ Metric Insulators available upon request

Click to view UL card
Click to view Cross Reference List of Insulators