The APC Smart-UPS SC 450VA/280W (model SC450RMI1U) is a reliable line-interactive uninterruptible power supply designed for small to medium business environments. It provides essential network-grade power protection for critical electronics including networking equipment and point-of-sale (POS) devices. Featuring a compact 1U rackmount form factor, this UPS offers flexible installation either in rack or tower orientation.

Powered by a maintenance-free, hot-swappable sealed lead-acid (VRLA) battery (replacement battery model RBC18), the UPS delivers 450 VA / 280 W output capacity with a regulated 230 V output. It uses Automatic Voltage Regulation (AVR) technology to correct under and overvoltages without battery usage, enhancing power availability and extending battery life.

Connectivity includes an IEC-320 C14 input and four IEC-320 C13 output sockets plus two IEC jumpers, making it ideal for multiple devices. It also features an RS-232 communication port (DB-9) for monitoring and management, LED status indicators, and audible alarms for battery and overload conditions. Front-access servicing design simplifies battery replacement and maintenance, while the UPS runs a typical recharge time of approximately 5 hours.

Additional protection includes surge and spike suppression, multi-pole noise filtering, and optional data-line protection to safeguard against power disturbances and ensure uninterrupted operations. This device supports operation across a broad temperature range (0–40 °C) and altitudes up to 10,000 ft, while maintaining quiet operation at 38 dBA.

With efficient power management, smart battery testing, and robust OEM warranty coverage, the APC Smart-UPS SC 450VA is an ideal solution for safeguarding vital network components and POS terminals from power interruptions and quality issues.