PB 4×4 features ART’s “4×4” distribution on the back of the unit — four of the eight rear outputs are 1.25 inches apart. This allows the user to plug in wide power cables and multiple wall wart devices, and still have eight total power outlets to choose from.
Built into the PB 4×4 is a Surge and Spike Protection System, designed to protect powered equipment from harmful electric surges and spikes. The unit also has RFI and EMI filtering. PB4X4 Applications:
| Circuit Breaker | 15 Amp; Front Location |
| Construction | All-Steel Chassis |
| Filtering | EMI & RFI |
| Power Capacity | 1800 W |
| Power Outlets | Eight Rear Outlets |
| Power Switch | Front Location – On/Off |
| Power Switch Illumination | Yes – In “On” Position |
| Protection Circuit | Surge & Spike Protection |
| Dimensions | 1U Rack Mountable |
