This is MEA official utility procurement specification for SF6‑insulated ring‑main‑unit, targeting EPC contractors, tenderers and design‑institutes for tender response and pre‑award evaluation. It complies with prevailing IEC switchgear standards, defines mechanical construction, safety interlock requirements, two transformer‑feeder protection schemes, DMS‑FRTU auxiliary‑system configuration, outdoor kiosk specifications, strict witness‑type‑test requirements, warehouse lot‑sampling acceptance r

This document is African Development Bank‑financed bidding document issued by Ethiopian Electric Utility, targeting EPCs, tenderers and design‑institutes for tender response and pre‑award evaluation. It follows prevailing IEC and ISO standards and defines project scope, harsh high‑altitude tropical‑humid site constraints, functional configuration, quality‑system requirements, witness‑test rules, warranty obligations, documentation deliverables, personnel‑training and post‑project spare‑parts ava

This document applies to the technical requirements for the design, testing, supply, installation, and related supporting equipment (sensors, controllers, cables, etc.) of  Ring Main Units  on EEHC in 24kV HV Switchgear.ROCKWILL 24kV Ring Main Unit is engineered to fully comply with EEHC Distribution Materials Specification EDMS 02-202-1 for Egyptian medium voltage distribution network. It covers both gas-insulated (GIS) and air-insulated (AIS) type, rated voltage 24kV, rated current up to 630A

This document applies to the technical requirements for the design, testing, supply, installation, and related supporting equipment (sensors, controllers, cables, etc.) of automatic reclosing on 33kV columns in Kenya Power and Lighting Company Limited (KPLC) 33kV 50Hz medium voltage distribution network.ROCKWILL 33kV Vacuum Automatic Recloser is pole-mounted outdoor equipment fully engineered to satisfy KPLC specification for Kenya’s 33kV overhead distribution network. Nominal system voltage 33k

This document applies to the technical requirements for the design, testing, supply, installation, and related supporting equipment (sensors, controllers, cables, etc.) of  Ring Main Units  on Electric Du Cambodge in 22kV 50Hz HV Switchgear.ROCKWILL 22kV Ring Main Unit is engineered to fully comply with EDC-DTS-MV003 specification for Cambodia’s 22kV underground distribution network. Rated equipment voltage 24kV, nominal system voltage 22kV, rated continuous current 630A, rated short-time withst