Ubiquiti UniFi USW-Flex | Weatherproof 5-Port Outdoor PoE Switch
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The Ubiquiti UniFi USW-Flex is a compact, managed Layer 2 Gigabit switch designed for both indoor and outdoor network expansions. If you need to install multiple IP security cameras, wireless access points, or VoIP phones in a location where mains power outlets are unavailable—such as ceilings, external walls, or remote outbuildings—this switch provides a neat, single-cable solution.
By running just one high-quality ethernet cable from your main network switch to the USW-Flex, you can split that connection into four distinct, power-delivering ports without needing a local power supply.
Key Features & Practical Benefits
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Power Pass-Through Operation: The switch requires no mains plug. It is powered entirely via the incoming ethernet cable (PoE input), passing that power along to down-stream hardware.
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Weatherproof Enclosure: Built with a durable, weather-resistant housing that operates in extreme outdoor temperatures ranging from -40°C to 65°C.
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Flexible Mounting Options: Packaged with versatile mounting accessories, allowing for secure installation on walls, timber posts, scaffolding poles, or magnetic metal surfaces.
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Centralised UniFi Management: Monitored and configured through the standard UniFi Network software. You can manage VLANs, check port speeds, and remotely power-cycle frozen cameras without climbing a ladder.
Power Budget Allocation (Crucial for Setup)
Because the USW-Flex relies on the power it receives from your upstream switch or PoE injector, its total available power output depends on that input source. Before connecting your hardware, verify your power budget using the reference table below:
| Upstream Input Power Source | Total Available PoE Output Budget | Example Device Deployment |
| 802.3af PoE (Standard PoE) | 8 Watts | Powers 1 basic IP camera or low-draw smart device. |
| 802.3at PoE+ (High Power PoE) | 20 Watts | Powers 2 standard wireless access points or fixed cameras. |
| 802.3bt PoE++ (60W Input / Injector) | 46 Watts | Unlocks full capacity; powers 4 HD IP cameras simultaneously. |
Installation Tip: If you are installing this switch in an open outdoor area exposed to persistent driving rain or high winds, we strongly recommend housing it inside the optional UniFi Switch Flex Utility enclosure for heavy-duty weatherproofing and clean cable management.
Technical Specifications
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Dimensions: 122.5 mm x 107.1 mm x 28.0 mm
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Weight: 230 grams
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Network Ports: 5 x 10/100/1000 Mbps RJ45 Ports
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PoE Input: 1 x 50V/60W PoE++ Port (Port 1)
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PoE Output: 4 x 802.3af PoE Ports (Ports 2 to 5)
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Max. Wattage Per Port: 15.4W
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Surge Protection: Air/Contact: ± 16 kV
What is in the Box?
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Ubiquiti UniFi USW-Flex Switch
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Outdoor Cable Cover / Shield
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Wall Mounting Plate
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Pole Mounting Bracket
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Magnetic Mount Strip
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Screw Pack and Nylon Zip Ties
Shipping Information
For Items Shown as “In Stock”:
We offer free shipping on orders over £150.00 excl VAT.
Delivery times may vary, and we aim to deliver within 1-5 working days, vendor dependent. Most of the products we offer are on a next working day delivery, if an order is placed before our 3pm cut off - for UK mainland addresses.
Our minimum carriage charge is £9.95 excl VAT, should your order be below £150.00 excl VAT.
We are able to offer shipments outside Mon-Fri or with fixed shipping dates however, this cost needs to be calculated and you will need to contact us.
For Items Shown as “No Stock"
To find out the lead time, please contact sales@pos-hardware.co.uk
Returns & Warranty
Each manufacturer warranty is different.
If it's not included in the description, please contact us to check.
sales@pos-hardware.co.uk
Contact Us About This Product
If you're looking for a quote or simply want to find out a lead time, please call or email and we'll be happy to help.
