The rated operating voltage can reach DC12OOV, and the rated operating current can reach 63A, which is used for isolation, overload, and short circuit protection. It is widely used in photovoltaic, industrial, civil, communication, and other systems, and can also be used in DC systems to ensure the reliable operation of DC systems.Pole: 4PFrame grade: 63Rated working voltage VDC: 4P 1200VDCRated current ln(A): 1,2,3,4,6,10,16,20,25,32,40,50,63Rated insulation voltage Ui (V DC): 1200Rated impulse voltage Uimp (KV): 4Ultimate breaking capacity lcu (KA) (T =4ms): 6Operation breaking capacity lcs (KA): lcs=100%IcuTripping type: Thermal-magneticCurve Type: CMechanical life: 20000 times.Electrical life: 2500 times.Polarity: HeteropolarWorking temperature: -20 C to +70 CAltitude(m): 2000mPollution degree: Level 3Protection degree: IP20Installation environment: Places without significant vibration and impactInstallation method: DIN35 standard railWiring capacity: 2.5-25mm2Terminal torque: 3.5 N·mProduct size(mm) : 4P:75.5*72*80Standard: IEC/EN 60947-2, EU ROHS environmental protection requirements.Quality Certificates: CE, ISO 9001, RoHS