The Riello BB STW series is the Sentinel Tower is the ideal solution for protecting mission critical systems such as safety devices, telecommunications equipment and IT systems to ensure maximum power reliability. Sentinel Tower is designed and built using state-of-the-art technology and components to provide maximum protection to the powered loads with no impact on downstream systems and optimised energy savings.

Advanced diagnostics status, measurements and alarms available on new custom LCD display
Low noise (<45 dBA) it can be installed in any environment thanks to its high frequency switching inverter and PWM load-dependent digitally controlled fan (>20 kHz, value above audible range)
Auto restart means automatic when mains supply is restored, programmable via software
Back feed protection standard: to prevent energy from being fed back to the network
UPS digital updating (flash upgradeable)