The new Sentinel Rack (SER) 1500 and 3000 ER models are designed to fit into standard 19-inch cabinets and sits at just 380mm deep, making them the ideal solution to upgrade power in environments with 600mm legacy server racks. 

Combining compactness with performance, the SER is a single-phase online uninterruptible power supply offers the highest levels of reliability and protection for mission-critical servers, data processing IT systems, and telecoms networks. 

For applications requiring several hours’ extended runtime, the SER 3000 ER is fitted with its own 6A battery charger and additional battery packs.  

The Sentinel Rack incorporates the qualities and features that have made the Sentinel Pro a winner with IT resellers and network administrators. 

Offering user-friendly plug and play installation, the rack-mount SER has a power factor of 0.9 and high overload capacity of 150%, while it can handle a range of input voltages from 140 V to 276 V.  

Users can also choose from several operating modes such as Smart Active, Frequency Converter, or Eco that enhance UPS system performance and reduce power consumption.