BU Series Offline UPS
- Automatic voltage regulation;
- High-quality China-made materials to ensure high power output of Transformer;
- Great battery capacity ensuring the high performance of UPS;
- High-voltage protection and low-voltage protection;
- Short-circuit protection and overload protection;
- Wide range of input voltage: 165V±5V～275V±5V to avoid frequent switching to battery mode and prolong battery service life.
- Automatic voltage regulation to ensure safe load operation within voltage range.
- Support DC cold boot and operation without AC input.
- Advanced broadband input technology; frequency range: 40~70HZ; maintain normal operation even in case of serious frequency fluctuation of AC; strong compatibility with motor.
- Auto power-off in case of under voltage of battery due to long interruption of AC, and auto power-on and auto recharging battery once AC supply resumes.
- Protection against battery under voltage, overload, output short circuit and over temperature, inhibit surge interference suppression, noise reduction, and lightning protection.
- Excellent battery management and automatic regulation of final voltage for battery discharge according to load capacity to prolong battery service life and enhance UPS utilization.
- Protect battery from depth discharge, auto power-off within one minute in case of empty load in battery mode to save energy.
- DB-9P or USB interface built-in for auto save, auto power-off, real-time monitoring and management of UPS status.