The most reliable technologies. On-Line Double Conversion technology provides a perfect sine wave output current and offers effective protection against mains voltage spikes for connected equipment. Features adapted to all situations. Equipped with intelligent features (microprocessor control, Eco mode, or even cold start), the E4 VALUE range offers RS 232 and/or USB communication ports for communicating with the various protected devices. The front LED or LCD displays (depending on the model) allow immediate viewing of the UPS status from the front panel (on/off, operating mode configuration, etc.). Intelligent features - High power factor output (0.9 for the E4 VALUE + 6000 and 10 kVA models) - ECO mode: reduces energy consumption and costs. Allows instant return to On Line Double Conversion when needed - Backup time: up to 30 minutes for the protection of a server and 2 computers (depending on the power of the connected devices) - Cold start function Manual bypass for maintenance (6/10 kVA models) - Included as standard with the static bypass for the E4 VALUE + 6000 and 10 kVA models - Continuous power supply to connected equipment during maintenance work on the UPS via a rotary switch - Guaranteed safety for personnel without power interruption Designed for easy use An intuitive display allows immediate viewing of the UPS status (on/off) and simple configuration of the operating mode, etc.: - LED display for models from 1000 to 3000 VA - LCD display for models from 4000 VA to 10 kVA.