Complete switchgear (KRU) is a category of electrical installations that are used to receive and distribute electrical energy and current, but only one specific voltage category.

All complete switchgears contain a set of switching-type units, as well as a number of auxiliary RZiA devices and meters for accounting. All complete switchgears have a general industrial purpose and are often used as distribution units at power stations and substations of large enterprises, subways, railways, and mining enterprises of the oil and gas complex.