General
Technology	VFD (voltage- and frequency-dependent)
Maximum power	600 W
Nominal power	1000 VA
Battery capacity	7,2 Ah
Input voltage	220/230/240 V
Outlet socket	CEE 7/3
Voltage deviation	10 %

The Bluewalker UPS Powerwalker VFD 1000 is an offline uninterruptible power supply (UPS) for use in offices, home applications, or small server environments. The device protects connected equipment from short-term power outages and voltage fluctuations by automatically switching to battery mode when the input voltage deviates by more than 10 % from the set typical voltage. In this mode, power is generated from the internal battery and supplied to connected loads. Once the mains voltage returns to the normal range, the UPS switches back to mains operation. In the event of a complete power failure, the UPS supplies connected devices with alternating current from the battery for several minutes, with the exact duration depending on the model configuration and the power consumption of the connected devices.

Applications
This UPS is suitable for protecting sensitive electronic devices such as computers, printers, network equipment, or small servers. It is particularly appropriate for environments where short-term voltage fluctuations or power outages could lead to data loss or system disruptions. The VFD technology enables a simple and cost-effective protection solution without complex control elements.

Functions and Equipment in Detail
The UPS operates on the principle of voltage and frequency dependency (VFD). When the input voltage deviates by more than 10 % from the set typical voltage (e.g. 230 V), the device automatically switches to battery operation. Power supply is provided via an inverter that generates alternating current from the battery. The return to mains operation occurs as soon as the voltage is back within the acceptable range. The maximum power output is 600 W with a rated capacity of 1000 VA. The battery capacity is 7.2 Ah, which affects the runtime during a power outage.

Technology Explained Simply
The VFD technology is a simple form of UPS control, where the voltage and frequency of the mains are continuously monitored. When a deviation exceeding 10 % is detected, the inverter is activated and supplies the load from the battery. This mode is particularly suitable for applications where a brief interruption is tolerable, but protection against voltage surges and sags is required. The UPS delivers alternating current suitable for most electronic devices. Battery power is supplied via an integrated inverter that converts the battery's direct current into alternating current.

Compatibility and Accessories
The device is designed for use with equipment requiring a mains voltage of 220 V, 230 V, or 240 V. The output sockets are designed for the CEE 7/3 plug type, which is standard in Germany and other European countries. The UPS is intended for indoor use.

Installation and Mounting
Installation is carried out by direct connection to a mains socket. Connected devices are plugged into the output sockets of the UPS. No special mounting instructions or tools are required. The UPS is intended for use on a flat, dry surface. The input sockets are designed for the CEE 7/3 plug type, enabling direct use in standard mains sockets.

Operational Advantages
The VFD technology provides a cost-effective and reliable protection solution against voltage fluctuations and short power outages. The simple operation without complex control elements reduces maintenance requirements. The UPS automatically switches to battery mode when the voltage is outside the acceptable range, ensuring continuous power supply to connected devices. The runtime during a power outage depends on the load and battery capacity, with the 7.2 Ah battery providing sufficient buffer time for many applications. The UPS is suitable for use in offices, home applications, and small server environments where a simple and reliable power supply is required.