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 11kV columns in Kenya Power and Lighting Company Limited (KPLC) 11kV 50Hz medium voltage distribution network.
ROCKWILL 11kV Vacuum Automatic Recloser is pole-mounted outdoor apparatus fully engineered to comply with KPLC specification for Kenya’s 11kV overhead distribution network. Nominal system voltage 11kV, highest equipment rated voltage 12kV, rated continuous current minimum 630A, optional 1250A. Vacuum interrupter for fault interruption with solid dielectric insulation, SF₆-free. Control cabinet rated IP65 per IEC 60529, fitted with padlock provision for KPLC standard safety padlock. Intelligent controller supports up to four programmable auto-reclose operations with lockout on permanent faults. Local manual operation and remote SCADA communication (DNP3, IEC 60870-5-104) are available. Type tests follow IEC 62271-100 & IEC 62271-121, and KPLC witness test can be arranged. Optimized for tropical climate, anti-UV, dust and humidity resistance for Kenyan rural and urban overhead feeders.