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MH4 Arrester (108 kV Rated, 3207 mm Creep Distance, AA Hardware)

By OHIO BRASS 

Catalog ID: MH4123BH108AA

By OHIO BRASS
Catalog ID:  MH4123BH108AA
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

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Product Details

General

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

Dimensions

Bolt Circle Diameter 254.00 mm
Diameter - Single Bolt Hole(s) 14 mm
Height 1286 mm
Minimum Mounting Spacing on Center (Sea Level) - Phase to Ground 23.7 in (603 mm)
Minimum Mounting Spacing on Center (Sea Level)- Phase to Phase 27.5 in (698 mm)

Electrical Ratings

Creep and Leakage Distance 126.3 in (3207 mm)
Duty Cycle 108 kV
Frequency Rating 48-62 Hz
MCOV 86.4 kV
Maximum Discharge Voltage
  • 225 kV @ 1.5 kA
  • 234 kV @ 3 kA
  • 242 kV @ 5 kA
  • 254 kV @ 10 kA
  • 272 kV @ 20 kA
  • 300 kV @ 40 kA
Maximum Switching Surge Protective Level @ 1000A 217 kV
Maximum Switching Surge Protective Level @ 2000A 225 kV
Maximum Switching Surge Protective Level @ 500A 211.0 kV
Minimum Strike 940.0 mm
Pressure Relief Capability-Symmetrical rms (kA) 63
Voltage - Line 123 kV
Withstand Voltage - 60 Hz Wet 294 kV
Withstand Voltage - Lightning Impulse 509 kV
Withstand Voltage - Switching Impulse 468 kV

Conductor Related

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

Certifications and Compliance

Industry Standard(s) IEC

Resources and Downloads

Videos

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