We have a few of these in our studio we no longer use. I don't know much about it tech-wise but below is the description.

The Furman PL-8 II Power Conditioner is what you need to protect your valuable equipment from power spikes and sags. An advanced Series Multi-Stage Protection Plus (SMP+) circuit provides rock-solid, maintenance-free extreme surge suppression with zero ground contamination thanks to Linear Filtering Technology (LiFT). Unit has 8 rear-panel outlets and one front-panel outlet, a 15-amp rating with circuit breaker, retractable LED rack lights with on/off/dimmer control, BNC back panel connector for gooseneck lamp with front-panel switch, and a front-panel circuit breaker. Fits in one rack unit and comes with a 10′, 14-gauge, heavy-duty power cable