The TOMZN TOQ5-125PV/4 PV Inverter Dual Power ATS 4 Phase Din Rail Automatic Transfer Selector Switches is a high-performance and reliable automatic transfer switch (ATS) that is designed to automatically switch between two power sources in the event of a power failure. It is ideal for use in photovoltaic (PV) systems, ensuring that critical equipment remains powered even when the grid power is unavailable. Features of TOMZN TOQ5-125PV/4 PV Inverter Dual Power ATS: Automatic switching between two power sources in the event of a power failure Suitable for use in PV systems High power rating (125A per phase) 4-phase operation DIN rail mountable Easy to install and use Specification of TOMZN TOQ5-125PV/4 PV Inverter Dual Power ATS: Rated voltage: 220V AC Rated current: 125A per phase Switching time: ≤16ms Isolation voltage: ≥2. 5kV Mechanical life: ≥100, 000 operations Electrical life: ≥50, 000 operations Dimensions: 130 x 70 x 50mm Weight: 500g Dimensions: Length: 130mm Width: 70mm Height: 50mm Uses: PV systems Emergency power supply systems Critical infrastructure protection Industrial applications Data centers Hospitals Manufacturing facilities Package includes: TOMZN TOQ5-125PV/4 PV Inverter Dual Power 4 Phase Automatic Transfer Selector Switches User manual