Dahua PFA6400S Water-proof Power Box

Model: PFA6400S

Who This Is For

When protecting outdoor power supplies and cabling connections is the priority, the Dahua PFA6400S Water-proof Power Box gives installers a properly rated enclosure built for the job. This is a practical accessory for anyone running PTZ cameras or IP cameras on external walls, poles, or corner-mounted positions where the power supply or cabling junction needs to be housed in a weatherproof box rather than left exposed. The PFA6400S is constructed from aluminium alloy and SECC steel, carries an IP66 ingress protection rating, and is large enough to accommodate a range of power supply types. It supports wall mount, pole mount, and corner mount installation, making it flexible across different site layouts. Suited to commercial and industrial outdoor surveillance deployments where power components need to be shielded from rain, dust, and weather without running cabling back to a sheltered internal location.

Download Product Datasheet (PDF)

What This Product Actually Does

Who Buys This Model

• Security installers running PTZ cameras on external poles: PTZ cameras draw more power than fixed cameras and often require a local 24 V AC power supply. Housing that supply in an IP66-rated box at the base of the pole or on an adjacent wall keeps the installation clean and protected.
• Installers specifying outdoor IP cameras in industrial or commercial settings: Sites like warehouses, manufacturing facilities, and logistics yards often have camera positions far from sheltered power distribution boards. The PFA6400S provides a rated local enclosure so power supplies do not have to be run back to a switchroom.
• Contractors working on multi-camera pole installations: Pole-mounted cameras at car parks or perimeter fences benefit from the pole mount option, allowing the power box to sit directly below the camera bracket and minimise exposed cabling runs.
• Integrators standardising across Dahua PTZ and IPC deployments: The PFA6400S is compatible with both PTZ cameras and IP cameras in the Dahua range, making it a single accessory SKU that covers most outdoor power housing requirements across a project.

Honest Assessment

The PFA6400S does the job it is designed for well. The IP66 rating is the right specification for most Australian outdoor camera installations, the aluminium alloy and SECC steel construction holds up against UV exposure and moisture over time, and the 3-mount configuration genuinely reduces the need to stock separate pole-mount and wall-mount boxes. The large internal cavity accommodates bulkier power supplies that smaller junction boxes cannot, and the -40 °C to +60 °C operating range covers every realistic Australian site condition. What it will not do is provide IK-rated impact resistance - if the enclosure is in a position where physical interference or vehicle strike is a risk, a heavier-gauge steel enclosure with an IK rating would be more appropriate. It also does not include a built-in power supply - it is an enclosure only, so the power supply must be sourced separately. Available through Security Australia as part of the Dahua accessories range.

Before You Buy

Quick Fit Check

• Good match if: You are installing a PTZ or IP camera at an outdoor location where the power supply needs to be housed locally and the position is exposed to rain, dust, or hosing - the IP66 rating and large internal capacity are confirmed for this use case.
• Good match if: Your installation requires a single enclosure type across wall, pole, and corner mounting positions - the PFA6400S supports all 3 methods without requiring separate model variants.
• You may need a different model if: The enclosure will be installed in a position subject to deliberate physical impact or vehicle proximity - a rated steel enclosure with a confirmed IK impact protection rating would be a better fit for that scenario.

Key Features & Technical Specifications

Real-World Scenarios

How It Compares

• Choose this if: You need a properly rated IP66 outdoor power enclosure that works across wall, pole, and corner mount positions and is sized to house larger power supply units used with PTZ cameras.
• You may need a different model if: The installation position is at risk of physical impact - a rated metal enclosure with a confirmed IK impact protection rating would be a more appropriate product type for that environment.
• Pairs well with: Outdoor PTZ cameras and IP bullet or turret cameras requiring a local weatherproof power supply housing at the camera position, combined with a compatible Dahua power supply unit sized for the camera's draw.

Common Questions

1. Does the PFA6400S include a power supply, or is it an enclosure only?

   No. The PFA6400S is an enclosure only - no power supply is included. It is a housing designed to protect a separately purchased power supply unit from weather, dust, and moisture. You will need to select a compatible 12 V DC or 24 V AC power supply appropriate for your camera's power draw and house it inside the box.

2. What does IP66 actually mean for an outdoor power box installation?

   IP66 means the enclosure is rated for complete dust exclusion (first digit: 6) and protection against powerful water jets from any direction (second digit: 6). In practice, a direct hit from a garden hose, heavy driving rain, or pressure washing in the vicinity will not breach the enclosure - provided all cable entry points are properly sealed with rated glands and unused entries are blanked off. It does not mean the box is submersion-rated.

3. Will this power box work with Dahua PTZ cameras specifically, or only fixed IP cameras?

   Yes, it is confirmed compatible with both PTZ cameras and IP cameras (IPCs) in the Dahua range. PTZ cameras typically draw more current than fixed cameras, and the large internal capacity of the PFA6400S is specifically suited to accommodating the larger power supplies that PTZ installations commonly require.

4. What is the G1/2 screw thread specification and why does it matter?

   G1/2 refers to the British Standard Pipe Parallel (BSPP) thread standard at a nominal 1/2 inch size. This is the thread type used at the cable entry knock-out points on the PFA6400S. When selecting cable glands or conduit fittings to seal cable entries and maintain the IP66 rating, you need to ensure they are rated G1/2 or compatible with that thread. Using incorrectly sized or mismatched glands will compromise the ingress protection seal.

5. Does the 8.0 kg load bearing rating refer to what I can put inside the box, or the total weight on the mounting bracket?

   The 8.0 kg load bearing figure refers to the maximum supported weight the mounting bracket assembly can carry in total - this includes the weight of the enclosure itself plus everything housed inside. The enclosure weighs 3.38 kg net, which means you have approximately 4.6 kg of remaining load capacity for your power supply and associated components. Always confirm your wall anchor or pole clamp is rated for the fully loaded total weight. The team at Security Australia can assist with specifying the right mounting hardware if needed.

6. Can this box be pole-mounted directly, or does it need a separate pole mount bracket?

   Yes, pole mount is a confirmed supported installation method. The built-in mounting bracket accommodates wall mount, pole mount, and corner mount without requiring a separate adaptor bracket for those 3 configurations. Check the datasheet for pole diameter compatibility specific to your installation.

Downloads & Resources

• Product Spec Sheet (PDF)