How to install the San Marino AC power supply so that it can function as a protection switch?(1)

Uninterruptible Power Supply (UPS)
An uninterruptible power supply (UPS) is a highly reliable and high-performance power supply necessary for computers, communication systems and occasions that require uninterrupted supply. The AC mains input is converted into DC through the rectifier, part of the energy is charged to the battery pack, and the other part of the energy is transformed into AC through the inverter, and sent to the load through the transfer switch. In order to still provide energy to the load when the inverter fails, another backup

How to install the San Marino AC LED advertising screen power supply so that it can function as a protection switch?

Since the air switch and the leakage switch do not have protective functions, when the LED advertising screen power supply is abnormal, a large number of electrical equipment will be damaged. When these accidents occur, it is only necessary to disconnect the LED advertising screen power supply when the LED advertising screen power supply is abnormal, so as not to damage the electrical equipment.

San Marino The three-phase AC power intelligent protector has major electrical fault protection functions such as overvoltage, low voltage, neutral wire disconnection, short circuit, phase loss/opening, etc., and has fault identification, fault indication, voltage before closing, neutral live wire reverse connection, Zero line disconnection, phase loss/phase failure detection, remote monitoring, online parameter modification and software upgrade functions.