FIELD: power distribution systems.
SUBSTANCE: proposed power distribution system has vertically mounted indoor bus arrangement 14 and removable instrument units 10 that can be brought in contact with indoor bus arrangement 4 by means of contact device 23. Removable instrument units mount instrument carrying panel 12 on their face end and also box-shaped case 14 with inner cavity accommodating contact device 23, as well as cables and lines for wiring removable instrument unit 10. Auxiliary tools 42 and supporting structure 47 for auxiliary unit of contact clamps 52 are used for extracting removable instrument unit 10 to disconnect it from indoor bus arrangement 4.
EFFECT: enhanced economic efficiency and reliability, facilitated manufacture and maintenance of system.
15 cl, 5 dwg
