We are pleased to present a single-phase relay voltage stabilizer designed for comprehensive protection of home appliances and simultaneous charging of mobile devices. The SVEN VR-F1200U model combine voltage stabilization, surge suppression, and modern USB hub functionality in one compact solution.

The model is engineered for use in power grids with unstable voltage. It delivers a stable output voltage of ~230 V (-10%/+10%) across a wide input range of 170–285 V (±3%). With a switching time of no more than 10 ms, this device ensure safe and reliable operation for sensitive electronics.

The built-in surge filter protects connected equipment from high-frequency impulses and electrical noise, absorbing surge energy up to 320 J. An additional layer of safety is provided by an auto-resetting circuit breaker integrated directly into the power switch: it safeguards against overloads and short circuits and allows for quick recovery after tripping. Thermal protection for the transformer is also included.

A key feature of the model is the enhanced versatility of the outlet configuration. The unit is equipped with four CEE 7/4 output sockets: 2 sockets operate in AVR (voltage stabilization) + surge filter mode and 2 sockets operate in surge filter mode only.

For users with modern gadgets, the device includes additional charging ports: 1 × USB Type-C and 2 × USB-A. The combined maximum output current for all USB ports is 5 V / 2.4 A, enabling fast and safe simultaneous charging of multiple devices without power loss.

Users can independently select the delay time for power restoration after a grid interruption — 6 or 180 seconds. This feature provides an extra layer of protection for equipment against repeated voltage spikes during power recovery scenarios. LED indicators keep users informed about the current operating mode and device status.

Thanks to four mounting holes on the rear panel, the stabilizer can be conveniently wall-mounted in any orientation, saving valuable floor or desk space. The power cord length is 1.2 meters, and the input plug follows the CEE 7/7 standard.

The SVEN VR-F1200U stabilizer is an excellent solution for anyone looking to protect their equipment from voltage fluctuations while creating a convenient charging station for smartphones and tablets. With both Type-C and USB-A ports, this device is compatible with virtually any modern gadget.

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