The Middle Atlantic Select Series UPS - S500R is a 500VA rack - mounted uninterruptible power supply designed to ensure the uptime of your equipment during power outages or anomalies. This UPS features a simulated sine wave output, automatic voltage regulation (AVR), and a hot - swappable battery pack for easy maintenance. With six NEMA 5 - 15 output connectors, it allows you to prioritize critical equipment through separate outlet banks. The unit is equipped with an LED status indicator for monitoring power conditions and includes basic surge protection and EMI filtering. Its compact design fits into a standard 19" rack, making it ideal for AV and security applications. The UPS can be remotely monitored and controlled with an optional IP card, providing peace of mind and control over your power supply needs.