Metal-clad AC Switchgear Withdrawable Mid-mounted VCB 

KYN28A-24 Metal-clad AC Switchgear withdrawable mid-mounted VCB Working conditions Altitude:≤ 1000m Ambient air temperature: -15℃ to +40℃ Ambient humidity: Daily average humidity ≤ 95%; Monthly average humidity ≤ 90%; Earthquake intensity ≤ magnitude 8 Without corrosive, flammable gas and steam and no regular severe shock For special service condition, need to negotiate with manufacture. Specifications Item Unit Data Rated voltage kv 24KV Rated frequency hz 50-60 Rated current A 630, 1250, 1600, 2000, 2500, 3150 Rated short-time withstands current(4s) ka  …