Description:  The Raspberry Pi PoE HAT powers a Raspberry Pi 4 Model B and Raspberry Pi 3 Model B+ via an Ethernet cable. Power-sourcing equipment is required on the Ethernet network. 

The Raspberry Pi Power over Ethernet HAT is a small accessory for the Raspberry Pi computer. It can only be used with the Raspberry Pi 4 Model B (launched June 2019) and the Raspberry Pi 3 Model B+ (launched March 2018). The PoE HAT allows you to power your Raspberry Pi using Power over Ethernet–enabled networks; for this product to be used, the network it is connected to needs to have power-sourcing equipment installed.

Supplied with this product

• Raspberry Pi PoE HAT
• Mechanical spacers

Specification: The Raspberry Pi PoE HAT is an add-on board for the Raspberry Pi 4 Model B and the Raspberry Pi 3 Model B+. It allows the Raspberry Pi to be powered via a power-enabled Ethernet network.

• 802.3af PoE
• Fully isolated switched-mode power supply
• 37–57V DC, Class 2 device
• 5V/2.5A DC output
• 25mm x 25mm brushless fan for processor cooling
• Fan control
• Plug-and-play compatibility with Raspberry Pi 3 Model B + and Raspberry Pi 4 (1, 2, 4 or 8Gb)
  

Documents:

• Datasheet