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MH4 Arrester (48 kV Rated, 1116 mm Creep Distance, AA Hardware)

by OHIO BRASS 

Catalog ID: MH4052GM048AA

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 9.4 in (240 mm)
    Minimum Mounting Spacing on Center (Sea Level)- Phase to Phase 11.4 in (289 mm)

    Electrical Ratings

    Creep and Leakage Distance 43.9 in (1116 mm)
    Duty Cycle 48 kV
    Frequency Rating 48-62 Hz
    MCOV 38.4 kV
    Maximum Discharge Voltage
    • 101 kV @ 1.5 kA
    • 104 kV @ 3 kA
    • 108 kV @ 5 kA
    • 113 kV @ 10 kA
    • 121 kV @ 20 kA
    • 134 kV @ 40 kA
    Maximum Switching Surge Protective Level @ 1000A 97 kV
    Maximum Switching Surge Protective Level @ 2000A 101 kV
    Maximum Switching Surge Protective Level @ 500A 94.0 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

    Resources/Downloads

    Videos

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