KYN61-40.5 Indoor Metallgekapselte Abgeschlossener Schaltschrank

Summary It is applied to 40.5kV, 3-phase, AC 50/60Hz electrical power network for receiving and distributing power energy and also for control, monitoring and protection. It is applicable in general power system and occasions with frequent operation. The product conforms to GB 3906 ”3 35kV AC Metal Enclosed Switchgear and Controlgear”, GB/T 11022 “The Common Technical Clauses of HV Switchgear and Controlgear Standard”, DL/T404 ”Order Technical Term of Indoor AC HV Switchgear” and IEC298 ”1 52kV AC Metal Enclosed Switchgear and Controlgear Standard”. Technical specification ItemUnitDataRated voltage kV40.5 Insulation level Rated power-frequency withstand voltage(1min) kV95 / 118 (phase to earth / across open contacts) Rated lightening impulse withstand voltage kV185/ 215 (phase to earth / across open contacts) Rated frequency Hz50 / 60 Rated main bus bar current A630,1200,1600,2000,2500 Rated branching bus bar current A630,1250,1600,2000,2500 4s Short-time withstand current(rms.) kA16, 20, 25, 31.5 Peak withstand current(peak.) kA40, 50, 63, 80