IEEE PC37.74:2025

IEEE Approved Draft Standard Requirements for Subsurface, Vault, and Pad-mounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems up to and including 38 kV

standard by IEEE , 12/09/2025

$47.00 $93.00

This standard applies to enclosed assemblies of single-phase and three-phase, dead-front and live-front, subsurface, vault, and padmounted, load-interrupter switches with or without protective devices such as fuses or fault interrupters, up to 38 kV rated maximum voltage.