Kyn28-12 3.2kv 7.2kv 12kv Switch Panel Electrical Control Panel/Box Switchgear

Kyn28-12 3.2kv 7.2kv 12kv Control Panel Switch Panel electrical Switchgear KYN28-12 is suitable for 3.6 ~ 12KV three-phase AC 50Hz power grid, for accepting and distribution of electrical energy, and for purposes of the circuit controlling, monitoring and protection. It can be used for single busbar, single busbar section system or double busbar system, and handcart type of the circuit breaker is easy to maintain. Mainly used in power substations, industrial and mining enterprises, hotels, communities, municipal construction, and petrochemical sector as controlling protection and power distribution monitoring.WORKING CONDITIONS• Ambient temperature: -25ºC~+40ºC• Altitude: ≤2000m (If it is more than 2000m, please specify when ordering)• Relative humidity: ≤95%(+25ºC)• Earthquake intensity: ≤8 degrees Installation Environment: In the place where there is no fire, no explosion hazards, no serious pollution, no chemical corrosion and violent vibrationTECHNICAL PARAMETERSItemUnitParametersRated voltageKV3.6, 7.2, 12Rated frequencyHz50CB Rated currentA630, 1250, 1600, 2000, 2500, 3150Cabinet Rated currentA630, 1250, 1600, 2000, 2500, 3150(4s) Rated flexible and stable current(4s)KA16, 20, 25, 31.5, 40, 50() Rated flexible and stable current(peak)KA40, 50, 63, 80, 100, 125Rated short and open circuitcurrentKA16, 20, 25, 31.5, 40, 50() Rated short circuit open and close current(peak)KA40, 50, 63, 80, 100, 125Ratedinsulat ion level1min1min powerfrequency withstand voltageKV24, 32, 42 Lightning impulse withstand voltageKV40, 60, 75Protection level/IP4X/Shell /IP2X,when the compartment door and the breaker door are opened)/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1