Backup Power Supply APC Back-UPS BX 1200VA (Schuko):Youve probably already experienced a power supply interruption just before you finished working. Your work has gone into the ether, and you have to start all over again. Repeats of such tragedies can be forestalled by the APC Back-UPS BX 1200VA (Schuko) UPS. In principle, this hardware is just a battery reservoir that powers all appliances needing electricity. The APC Back-UPS BX 1200VA (Schuko) UPS features the Line interactive design approach. Off-line is seen as the simplest form when power fails, since it connects to the battery and disconnects from the mains power. The line interactive UPS enhances the simpler off-line version of data line surge suppression to prevent damage from dangerous surges and spikes. APC Back-UPS BX 1200VA (Schuko) Backup Power Supply Key Features Backup power design: Line interactive Actual performance: 650 W UPC operation at full load for 1 min 4 classic Schuko plugs The most important parameter is the UPS run time. This depends on the power consumption of the connected devices – for example, at half-load (50%), the backup time will last a longer amount of time. The load of the backup source governs the operating time, which at maximum load is 1 min and at a load of 50%, its 5 min. It is therefore crucial to calculate the energy consumption of the connected appliances and it is a good idea to have some spare energy in reserve. The APC Back-UPS BX 1200VA (Schuko) shows the apparent power as 1200, but in reality, the actual power usage is 650 W.