text.skipToContent text.skipToNavigation

MH4 Arrester (288 kV Rated, 7748 mm Creep Distance, AA Hardware)

By OHIO BRASS 

Catalog ID: MH4362GM288AA

By OHIO BRASS
Catalog ID:  MH4362GM288AA
IEC Station High / Class 4 Porcelain Housed Surge Arrester
  • IEC porcelain Station High class arrester
  • IEEE 693 High Performance Qualification
  • High quality MOV discs made in Wadsworth, Ohio since 1978
  • Arresters assembled in Aiken, South Carolina
  • 100% routine tested

More Options

Product Details

General

Application Substation
Color Gray Housing
Material Porcelain Housing
Mounting Position Upright
Type Station

Dimensions

Bolt Circle Diameter 254.00 mm
Diameter - Single Bolt Hole(s) 14 mm
Height 2759.2 mm
Minimum Mounting Spacing on Center (Sea Level) - Phase to Ground 65.7 in (1669 mm)
Minimum Mounting Spacing on Center (Sea Level)- Phase to Phase 74.9 in (1903 mm)

Electrical Ratings

Creep and Leakage Distance 305 in (7748 mm)
Duty Cycle 288 kV
Frequency Rating 48-62 Hz
MCOV 230.4 kV
Maximum Discharge Voltage
  • 593 kV @ 1.5 kA
  • 616 kV @ 3 kA
  • 637 kV @ 5 kA
  • 669 kV @ 10 kA
  • 716 kV @ 20 kA
  • 789 kV @ 40 kA
Maximum Switching Surge Protective Level @ 1000A 572 kV
Maximum Switching Surge Protective Level @ 2000A 593 kV
Maximum Switching Surge Protective Level @ 500A 556.0 kV
Minimum Strike 2198.0 mm
Pressure Relief Capability-Symmetrical rms (kA) 63
Voltage - Line 362 kV
Withstand Voltage - 60 Hz Wet 690 kV
Withstand Voltage - Lightning Impulse 1206 kV
Withstand Voltage - Switching Impulse 1064 kV

Conductor Related

Conductor Type Cu/Al (AWG #4 - 500 MCM)

Certifications and Compliance

Industry Standard(s) IEC

Resources and Downloads

Videos

Hubbell Power Systems Metal Oxide Varistor (VI01022E0718)