Switch Cabinets and Panels for Sofia West and Zlatitsa Substations

Delivery of 28 equipped, closed-type metal cabinets for the Sofia West and Zlatitsa substations for an Automated Substation Control System (ASCS). The cabinets must be fully equipped according to specifications for materials, low-voltage equipment, and wiring. The supply of digital control, protection, and signaling devices is the responsibility of the contracting authority. Included are: 18 command-relay/relay cabinets for feeders, indoor installation, up to 1,000/2,200/600 mm (W/H/D), with double-sided access; 4 command panels for transformers (control), indoor installation, up to 1,000/2,200/600 mm (W/H/D), with double-sided access; 2 command-relay/relay cabinets for busbar protection/switchgear protection and measurement/voltage output, indoor installation, up to 1,000/2,200/600 mm (W/H/D), with double-sided access; 2 command-relay/relay cabinets for bypass breakers, indoor installation, up to 1,000/2,200/600 mm (W/H/D), with double-sided access; 2 relay cabinets for busbar differential protection (incl. PM), indoor installation, up to 1,000/2,200/600 mm (W/H/D), with double-sided access. Technical documentation (structural and electrical), overall dimensions, and the specification of apparatus/materials, as well as equipment supplied by the contracting authority, will be provided to the selected contractor via acceptance-transfer protocols. The execution period starts after the last protocol is drawn up.

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