text.skipToContent text.skipToNavigation

MH4 Arrester (42 kV Rated, 1116 mm Creep Distance, AA Hardware)

by OHIO BRASS 

Catalog ID: MH4052GM042AA

IEC Station High / Class 4 Porcelain Housed Surge Arrester

  • To learn more about selecting the right Substation Arrester, visit our blog here.
  • 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 805.6 mm
    Minimum Mounting Spacing on Center (Sea Level) - Phase to Ground 8 in (204 mm)
    Minimum Mounting Spacing on Center (Sea Level)- Phase to Phase 9.8 in (248 mm)

    Electrical Ratings

    Creep and Leakage Distance 43.9 in (1116 mm)
    Duty Cycle 42 kV
    Frequency Rating 48-62 Hz
    MCOV 33.6 kV
    Maximum Discharge Voltage
    • 88 kV @ 1.5 kA
    • 91.5 kV @ 3 kA
    • 94.5 kV @ 5 kA
    • 99 kV @ 10 kA
    • 106 kV @ 20 kA
    • 117 kV @ 40 kA
    Maximum Switching Surge Protective Level @ 1000A 85 kV
    Maximum Switching Surge Protective Level @ 2000A 88 kV
    Maximum Switching Surge Protective Level @ 500A 82.5 kV
    Minimum Strike 445.0 mm
    Pressure Relief Capability-Symmetrical rms (kA) 63
    Voltage - Line 52 kV
    Withstand Voltage - 60 Hz Wet 108 kV
    Withstand Voltage - Lightning Impulse 276 kV
    Withstand Voltage - Switching Impulse 220 kV

    Conductor Related

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

    Certifications and Compliance

    Industry Standard(s) IEC