110kv Outdoor Substation Hv Sf6 Gas Live Tank Disconnector Circuit Breaker

  Product DescriptionLW36-72.5 Outdoor HV AC. SF6 circuit breaker is an outdoor three-phase porcelain column electrical equipmentmainly used in AC 50Hz or 60 Hz, 72.5kV/126KV electrical system in extremely cold regions (for electric stations in general regions and -40C extremely cold regions).Product ParametersTable of main parameters of circuit breakerNo.ItemUnitParameter1Rated voltagekV72.52Rated power frequency withstand voltage (1 min )To earth /phase to phasekV160Across switching device 160+423Rated lightning impulse withstand voltageTo earth /phase to phasekV380Across switching device 380+594Rated frequencyHz5050/605Rated currentA31506Rated short-circuit breaking current Isc 31.50407Rated short-circuit making current (peak) 80100/1048Rated short-time withstand currentkA31.50409Rated peak withstand currentkA80100/10410Rated out-of-phase breaking currentkA81011Short-line fault breaking currentkA90%Isc, 75%ISC12Double earth fault breaking currentkA27.434.813Times of rated short-circuit breaking currenttimes212014Rated duration of short-circuits4415First pole to clear factor 1.51.516Rated line charging breaking currentA101017Rated operation sequence O-0.3s-CO-180s-CO18Rated SF6 gas pressure/Gas refilling alarm pressure/Operation lockout pressure (gauge pressure, 20ºC)MPa0.4/0.36/0.320.4/0.36/0.32 or 0.7/0.65/0.6019Annual leakage of SF6 Gas%≤0.520SF6 gas humidity content (L/l) ((20ºC)L/L≤150x10-621Mechanical enduranceTimes600022Opening timeMs≤3023Close-Open timeMs≥70(when running)24Creepage distanceAcross switching devicemm≥2585To earth/phase to phase ≥224825Weight of SF6 gas filled for one set of CBKg66/826Weight of one set of CB1300Major Technical parameters of mechanismNo.NameUnitData1Energy-store motorNormal voltage rangV85%--- 110%Rated voltage DC220/AC220Rated powerW7202Storage time (at rated voltage)s≤203Rated voltage/current of opening coilV/ADC110V/4A, DC220V/2AAC220V/5A4AuxiliarySwitchRated currentA3(DC220V)/5 (DC110V)Number of auxiliary contacts: normally opened/closedPair11/115Trip switchRated currentA3(DC220V)/5 (DC110V)Number of auxiliary contacts: normally opened/closedPair2/26Capacity of terminal carry continuous currentA107Voltage of heater and lighting circuitVAC2208Mechanical enduranceTimes10000  Related ProductsWarehouseProject CasesCertificationsFAQQ: Could I have prices of your products?A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.Q: Can I get a sample before the bulk order?A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.Q: Can we print our logo/ company name on products?A: Yes, of course, we accept OEM, then need you to provide brand authorization to usQ:Do you accept product customization?A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluationQ: What is the lead time? A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment. Q: What is your Trade Terms? A: We accept EXW, FOB, CIF, FCA, etc. Q: What is your payment method?  A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc Q: Do you inspect the finished products?A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipmentQ: How to solve the quality problems after sales? A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days. /* 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