The operational interlocking control cabinet is designed to collect information about the position of switches, disconnectors, grounding blades, separators, short circuiters participating in the operational interlocking circuit.

Information about the position of switching devices in the KOB cabinet is collected using the devices UBOP, KUBOP, KSA(M).

At the same time with the collection of information about the position of the switching devices, the KOB cabinet supplies power to the block locks of the switching devices to produce operational switching.