Low voltage, generally identified as voltages up to and including 600 volts, includes equipment such as air circuit breakers, molded case circuit breakers, insulated case circuit breakers and motor starter assemblies along with their associated switchgear.

ESI performs various services to equipment of this type. These services include complete re-manufacturing, retrofitting, field conversions, retro-filling, upgrading and match and line up switchgear projects, as well as the supply of new, discontinued, or obsolete equipment.