24KV switchgear

Our Client List: 2009 Shanghai Expo 2008 Olympic Games Stadium Shanghai Pudong Airport Three Gorges Project Vietnam Song Power Station Korea Pusan the Second Steel Plant Iran Teheran Cement Plant ran Teheran the Third Chemical Plant Burundi Hydroelectric Station Malaysia Cement Plant Hydroelectric Station 1. Model K---------------------------------------metal-clad and metal-enclosed switchgear Y---------------------------------------withdrawable N---------------------------------------Indoor --------------------------------------design No. 24-------------------------------------- rated voltage (KV) --------------------------------------primary plan No. --------------------------------------operating mechanism characteristic code D: electromagnetism T: spring --------------------------------------rated current --------------------------------------rated short circuit drop-out current (KA) Specifications: Serial No. Item Unit Technical parameters 1 Rated voltage KV 24 2 Rated frequency HZ 50/60 3 Rated insulation level 1 min withstand voltage (effective value) KV Phase to phase & phase to earth 60 Isolation fracture 79 Lighting impulse withstand voltage (peak value) 125 145 Auxiliary control circuit power frequency withstand voltage V 2000 4 Rated current A 630,1250,1600,2000,2500,3150 5 Specified short-circuit dropout current KA 20, 25, 31.5 6 Rated short-circuit making current (peak value) KA 50, 63, 80 7 Rated short time withstand current (4S) KA 20, 25, 31.5 8 Rated peak withstand current KA 50, 63, 80 9 Auxiliary control circuit rated voltage V AC or DC 110/220 10 Protection level V IP4X (the circuit breaker chamber door is open or isolation chamber is IP2X) 11 Outline dimension mm 1000*1910*24001 12 Weight Kg 840-1500