- UPS classification VFD-SY-333 (IEC 62040-3) - Offline-technology - Compact design - Output modified sine wave - Cold start function (starting in battery mode) - Automatic reboot when power supply is restored - Microprocessor control - Automatic frequency detection - Simple battery replacement - USB interface as standard - Management software - 12 months warranty - LCD display with touchscreen - Exceptionally compact design - Suitable for wall mounting - Multiple-function connector strip - Programmable self-test, battery test - Off-mode charging