B&B Electronics UHR304 4-Port USB Full Speed Up/Down Isolated Hub 4KV.

Expands one USB port to 4 USB ports (USB 2.0)

4 kV Isolation & ESD Level 4 (contact 8 kV, air 15 kV) Performance Criteria B Protection

Data rate: 12 Mbps at high speed

Wide operating temperature: -40 to +80 °C

Rugged metal case - desk, DIN rail or panel mount (brackets included)

High retention USB port connectors

FCC, CE, UL, KCC, EMC heavy industrial

USB cable included, 1.8 m

External power source required (not included, sold separately)