Ubiquiti 802.3af Supported PoE Injector
Ubiquiti PoE Adapters provide a variety of features to help protect your PoE devices:

Surge protection
Clamping protection
Maximum surge discharge
Peak pulse current
48VDC @ 0.32A
Electrostatic discharge (ESD) is the leading cause for outdoor device failures. You can effectively protect against ESD damage using a grounded Ubiquiti PoE Adapter, TOUGHCableTM, and TOUGHCable Connectors.