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DIN rail mounting DC switch up to 1200V / 32A lockable handle for safe using and maintaining.  Features: Applied to 1-20kW inverter, controller, DC combiner box, used for residential or commercial PV solar power system (on-grid/off-grid).  Arcing time less than 3ms, that make PV solar system effectively disconnected. Reliable DC switch according to IEC60947.3 andAS60947.3 DC-PV2 standard, zero failure in millions of solar installation and DC circiut. 4P, 1200V, 32A. Door clutch easier operating and lockable handle.  Technical specifications: Number of contacts: 4. Rated working voltage (Ue): DC 1200V. Insulation voltage (Ui): DC 1200V. Rated current (In): 16A/ 25A/ 32A. Max rated current: 32A. Rated impulse voltage (Uimp): 8kV. Mechanical life cycles: 20000. Electrical life cycles: 2000. Installation: on a DIN rail. Connector type: M4. Wire cross-sections: max. 4-16mm2. Arcing time: