HUBBELL POWER SYSTEMS
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Hubbell Power Systems - Metal Oxide Varistor

SVNH Arrester (335 kV MCOV)

Brand: OHIO BRASS

Catalog ID: SVNH420GA335AA

IEEE Station Class Polymer Housed High Strength Surge Arrester

IEEE Polymer station class high strength surge arrester for substation applications

  • IEEE silicone station class arrester
  • IEEE 693 High Performance Qualification
  • high strength alternative to the SVN arrester
  • High quality MOV discs made in Wadsworth, Ohio since 1978
  • Arresters assembled in Aiken, South Carolina
  • 100% routine tested

General

Catalog Number

SVNH420GA335AA

Color

Gray Housing

Product Type

SVNH

Type

Station

Dimensions

Depth

60 in

Height

185.4 in

Minimum Mounting Spacing on Center (Sea Level) - Phase to

2439

Minimum Mounting Spacing on Center (Sea Level)- Phase to Phase

2775

Weight

1077 lb

Width

60 in

Electrical Ratings

Creep and Leakage Distance

469 in

Frequency Rating

48-62 Hz

Maximum .5 Microsecond Discharge Volts @ Classifying Current

1246 kV

Maximum Discharge Voltage

  • 864 kV @ 1.5 kA
  • 894 kV @ 3 kA
  • 925 kV @ 5 kA
  • 972 kV @ 10 kA
  • 1037 kV @ 20 kA
  • 1141 kV @ 40 kA

Maximum Switching Surge Protective Level @ 500A

799 kV

MCOV

335 kV

Rating - KVA

420

Voltage - Line

550 V

Withstand Voltage - 60 Hz Wet

791

Withstand Voltage - Lightning Impulse

1955

Withstand Voltage - Switching Impulse

1316

Certifications And Compliance

Industry Standard(s)

IEEE

Operational

Maximum Operating Altitude

12000 ft