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Connecting 4-pin DC Power to UniFi devices

Some UniFi devices feature 4-pin DC sockets as an optional power input, in addition to other power sources such as PoE, AC, or included 2-pin DC power adapters. Below are the specifications and pin-out for each device. 

The same connector type is used for all products: Molex Micro-Fit 2x2 4 pin with 20-24 AWG pins and a pin pitch of 3.0mm.

UMR

Input voltage: 9V @ 1A

UMR-Ultra / UMR-Industrial / UDB-IoT 

Input voltage: 9~30V

Max current:

UMR-Ultra0.7A @ 9V
UMR-Industrial1.4A @ 9V
UDB-IoT0.3A @ 9V

UCG-Industrial

Input voltage: 48V @ 5A

 

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