DC Circuit Breakers for Traction Substation

Product Description ZHONGHE offers a comprehensive range of products and solutions for DC traction substationsTo power trains, metros, trams and mines, it is necessary to use  the traction rectifier converts AC into DC, Whether transformer-rectifiers group, DC Switchgear or complete traction power stations,  we can provide the most reliable, flexible and cost-effective solution.RKey benefits •  Highest level of safety with internal arc resistance•  Broad portfolio readily configured to meet customer needs•  Modular and flexible design •  Keep all the advantages of established DC switchgear technologyKey features•  Full conformity with IEC and EN standards•  High active and passive safety through freestanding rigid metal enclosed cubicles with separate screened compartments•  High availability and low maintenance•  Indoor installation   Detailed Photos  Product Parameters Rated working voltageDC750V/1500V/3000V Rated Insulation Voltage900V/1800V Rated current of main bus1250A Rated insulation level of main circuit and sensorPower frequency withstand voltage primary circuit Frame:6.9kV,50Hz,1min secondary circuit Frame: 2.0kV,50Hz,1min Rated short circuit current60kA/τ= 10msAuxiliary circuit rated voltageProtective circuit:DC220V Signal circuit:DC24V Control circuit: DC220V/24V Classification of degrees IP4X    Company ProfileFAQQ:   Are you the factory or trading company?A:   We are factory with more than 20 years in the field of DC power supply solution,  traction power supply and new energies. We warmly welcome you for the visit.Q:   How is the delivery time?A:   Generally, the delivery time between 7-30 days after getting client's payment.       For accurate info depends on the products and the quantity, we can make further communication on this.Q:  Do you have MOQ requirements?A:   MOQ is 1 set for most of the products, only MOQ for 7KW, 11KW, 22KW ev   charger is 10 sets.A:   How long is your warranty time?Q:   We provide 2 years warranty for our clients.Q:   Can you provide customized service?A:    Yes. we have been getting involved with the OEM and ODM projects since 2004.       So that we can provide professional customized service for our clients.Q:   Do you have after sales service?A:    Yes, we have the after-sales service team.       Our after-sales engineer Can give the support and instruction by video or phone call while needed.Q:   Do you make the test after finishing production?A:   Yes, our production engineer team will do the test while goods finished, and we will prvoide the test info to clients for reference before delivery.   /* 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