Surge Arrester, Station Class, Metal Oxide Disk, 30kVrms, 40kArms, 24.4 (L-N) kVmrs, 6.0kJ/kV MCOV, High Voltage, 4,000 in-lbs Cantilever Strength Polymer, Gray, Indoor/Cubicle Terminal Mounting, Tranquell (9L11XPM) Series