Dahua DH-PFA137 Water-proof Junction Box
- Sku: DH-PFA137
- Vendor: SecurityAustralia
When a clean, weatherproof cable entry point for a Dahua dome or bullet camera installation is the requirement, the DH-PFA137 junction box delivers a practical wall-mount solution for concealing wiring and protecting connections from the elements. Built from aluminium with an M20 (G1/2") conduit thread, it handles temperatures from -40°C to +60°C, making it suitable for harsh Australian outdoor conditions.
Why This Model
- Aluminium construction: More durable than plastic alternatives, resisting corrosion and physical wear in long-term outdoor exposures.
- Wide temperature range: Rated from -40°C to +60°C, so it performs reliably in both extreme cold and the high heat common across Australian summers.
- Standard M20 conduit thread: Compatible with common conduit fittings, making it straightforward to integrate into existing cable management runs without adaptors.
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Product Overview
Model: DH-PFA137
Who This Is For
When a clean, weatherproof cable termination point is needed behind an outdoor camera, the Dahua DH-PFA137 junction box fills that gap without compromise. Installers mounting turret or bullet cameras on exterior walls and soffits regularly run into the problem of exposed cabling at the camera base - rain ingress, UV degradation, and an untidy finish. The DH-PFA137 solves this with an aluminium housing rated across a wide operating temperature range, a M20 (G1/2") conduit thread for secure conduit entry, and a compact 122mm x 34mm profile that sits flush behind compatible Dahua cameras. It suits residential installs, light commercial deployments, and any job where the cable exit point needs to be protected without adding visual bulk. The white finish matches standard camera housings and works across both indoor and outdoor environments.
What This Actually Does
Weatherproof Cable Protection
The aluminium housing keeps the cable termination point sealed against moisture and dust at the camera mounting position. Rated for humidity up to 90% RH and temperatures from -40 degrees C to +60 degrees C, it handles Australian coastal salt air, tropical humidity, and alpine cold without deteriorating.
Conduit Thread Entry
The M20 (G1/2") inch thread accepts standard conduit fittings, letting installers run rigid or flexible conduit directly into the junction box. This keeps the entire cable path enclosed from the wall to the camera - an important detail on commercial jobs where tidy, protected runs are specified.
Low-Profile Aluminium Build
At 122mm x 34.2mm and just 0.24kg, the DH-PFA137 adds minimal depth and weight to the camera mount. The aluminium construction handles a load bearing of up to 1.0kg, keeping the camera assembly secure without adding stress to the wall fixing point.
Neat Finish at Camera Base
The white housing conceals the cable entry and connector joins behind the camera, removing exposed wiring from view. This is particularly useful on residential installs where aesthetics matter and on commercial sites where a professional cable management standard is expected.
Who Buys This Model
- Security Installers: Fitting Dahua cameras to external brick or render walls where a conduit run terminates at the camera position and a weatherproof junction point is needed to keep the install compliant and tidy.
- Residential Builders and Sparkies: Roughing in camera cabling during construction and needing a properly rated enclosure at each camera location before the camera itself is mounted.
- Facility Managers: Maintaining or upgrading existing Dahua camera installations where the original cable exit is unprotected or deteriorating, and a direct replacement mount is required.
- DIY Installers: Running cat cable through conduit on a home setup and wanting the same weatherproof cable management at each camera position that a professional installer would use.
Honest Assessment
The DH-PFA137 does one job and does it well: it gives you a weatherproof, conduit-compatible cable termination point at the camera mount position. The aluminium housing, wide temperature rating from -40 degrees C to +60 degrees C, and M20 conduit thread make it a legitimate outdoor-rated accessory rather than a cosmetic cover. The 1.0kg load bearing capacity is adequate for the camera weights it is designed to support, and the sub-quarter-kilogram weight adds nothing meaningful to the wall anchor load. Where it will not help you is in waterproofing the camera body itself - that is the camera's own IP rating doing that work. It also does not replace a properly specified outdoor enclosure for larger multi-connector junction requirements. Compatibility is focused on Dahua camera models, so check your camera's mounting spec before ordering. Available through Security Australia alongside the full Dahua camera and accessory range.
Before You Buy
Compatibility Note: The DH-PFA137 is designed for use with compatible Dahua cameras - confirm your specific camera model accepts this junction box before ordering. The M20 (G1/2") conduit thread suits standard electrical conduit fittings, but check the conduit diameter you are running against this thread size at the planning stage to avoid a site mismatch.
Load Bearing: The 1.0kg load bearing rating covers the junction box plus camera assembly. If your camera model plus any additional bracket weight approaches or exceeds this figure, use a separate wall mount rated for the full combined load rather than relying on the junction box alone to carry it.
Quick Fit Check
- Good match if: You are running conduit to an outdoor camera position and need a weatherproof, M20-threaded junction point that keeps the cable termination enclosed and protected at the camera base.
- Good match if: Your install requires a neat, low-profile cable management finish and the white aluminium housing needs to sit cleanly behind a compatible Dahua camera on a rendered or painted surface.
- You may need a different model if: Your application involves multiple cable entries, larger connector volumes, or non-Dahua cameras - a purpose-rated outdoor junction box enclosure from the accessories range would be a better fit for those requirements.
Key Features & Technical Specifications
Real-World Scenarios
How It Compares
- Choose this if: You need a compact, aluminium weatherproof junction point specifically sized and threaded for Dahua camera conduit terminations, with a white finish that sits cleanly behind the camera housing.
- You may need a different model if: Your application requires a larger enclosure with multiple cable entries or connector block capacity - a dedicated outdoor IP-rated enclosure from the accessories range would be a better fit for higher-density termination requirements.
- Pairs well with: Dahua outdoor turret or bullet cameras that mount directly onto a junction box for a concealed cable exit, combined with standard M20-compatible conduit fittings for a fully enclosed cable run.
Common Questions
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Will this junction box work with any Dahua camera?
Not all Dahua cameras - compatibility depends on the camera's mounting base diameter and whether it is designed to mate with a PFA-series junction box. The DH-PFA137 is designed for compatible Dahua models, so confirm your specific camera's mounting specification before ordering. Check the camera's datasheet or product listing for listed compatible accessories. -
Does this junction box itself carry an IP weatherproof rating?
No specific IP rating is confirmed in the published specifications for the DH-PFA137. The housing is aluminium and the operating parameters confirm temperature and humidity tolerance (-40 degrees C to +60 degrees C, less than 90% RH), but it should be used in conjunction with a camera that carries its own IP rating rather than treated as a standalone IP-rated enclosure. -
What conduit size does the M20 thread accept?
The M20 (G1/2") thread is a metric 20mm nominal thread, which is a common standard for electrical conduit fittings in Australia. Standard 20mm conduit locknuts and adaptors will fit this entry point. Confirm the conduit fittings you are using are rated M20 or G1/2" before terminating at the junction box. -
Can this junction box support heavier camera models?
Up to 1.0kg total load. The confirmed load bearing of the DH-PFA137 is 1.0kg (2.2lb), which covers the junction box mounting assembly and a compatible camera. If your camera model exceeds this figure, the camera should be independently mounted to the wall and the junction box used for cable management only, rather than as the primary structural support point. -
Will the white colour match standard Dahua camera housings?
Yes, in most cases. The DH-PFA137 is white, which matches the standard housing colour of the majority of Dahua outdoor cameras. The compact 122mm x 34.2mm footprint is designed to sit neatly behind the camera base without protruding significantly beyond the camera's own profile. -
Is this suitable for use in extreme temperature environments like industrial sites or alpine locations?
Yes. The confirmed operating temperature range of -40 degrees C to +60 degrees C makes the DH-PFA137 suitable for environments ranging from cold-climate alpine installations through to hot industrial sites. This is a wider operating range than many plastic junction accessories, which is one practical advantage of the aluminium construction. Security Australia stocks this item as part of the Dahua accessories range for exactly these kinds of demanding deployments.
Downloads & Resources
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| Model | DH-PFA137 |
| General | |
| Material | Aluminum |
| Dimension | 122.0mmx34.2mm (4.80”x1.35”) |
| Inch Thread | M20(G1/2”) |
| Load Bearing | 1.0kg(2.2lb) |
| Weight | 0.24kg(0.53lb) |
| Color | White |
| Operating Temperature | -40ºC~+60ºC(-40℉~+140℉) |
| Humidity | <90% RH |
Most security cameras, recorders, intercoms and access control products purchased from Security Australia are covered by a back-to-base manufacturer warranty, usually 3 years unless otherwise stated. Axis products are generally covered for 5 years and EZVIZ products are generally covered for 1 year, unless otherwise mentioned.
Warranty does not cover power surges, incorrect installation, mishandling, unsupported firmware, physical damage, misuse or other excluded issues. All warranty claims are subject to inspection, manufacturer terms, product availability and any rights you may have under the Australian Consumer Law.
Read the full Warranty, Returns and Consumer Law Conditions here:
Warranty & Returns
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Dahua DH-PFA137 Water-proof Junction Box
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