Product Overview
Transit operators and rail system integrators working to documented industry standards will find the AXIS P3947-R purpose-built for onboard dome mounting inside train carriages and trams. Sharing the same backplate and accessory ecosystem as other Axis onboard cameras, this 5 MP dome delivers a 98.8-degree horizontal field of view through a fixed 2.8 mm f/2.0 lens, capturing wide coverage of passenger seating areas in a single ceiling-mounted position. Equipped with Lightfinder technology and a minimum illumination of 0.16 lux in colour, it performs in the variable interior lighting conditions typical of rail vehicles without relying on built-in IR. It also integrates the Axis Edge Vault cybersecurity platform, including a secure element rated CC EAL 6+ and AES-XTS-Plain64 256-bit encrypted filesystem, addressing the data integrity requirements that transit procurement teams increasingly specify. Certified to EN 50155 and EN 45545, the AXIS P3947-R meets the electrical and fire safety standards required for rolling stock installation.
Key Capabilities
EN 50155 and EN 45545 Certification
Compliance with EN 50155 for railway electronic equipment and EN 45545 for fire protection ensures the camera meets the mandatory regulatory requirements for installation inside trains and trams, covering electrical, vibration, and fire safety criteria.
Lightfinder Low-Light Performance
With a minimum illumination of 0.16 lux in colour and an f/2.0 aperture, the camera maintains usable colour footage in dimly lit carriages during night operations or tunnel segments, without depending on onboard infrared illuminators.
5 MP Resolution at Up to 60 fps
A 2592×1944 sensor running at up to 60 frames per second captures sharper detail of passenger activity and incidents, supporting post-event review where frame rate matters for identifying fast-moving situations inside a moving vehicle.
Axis Edge Vault Cybersecurity
The Edge Vault platform combines a CC EAL 6+-rated secure element, trusted execution environment, Axis device ID, signed video, and AES-XTS-Plain64 256-bit encrypted filesystem, addressing cybersecurity requirements for connected transit networks and sensitive public infrastructure.
CV75 Deep Learning Chipset and Analytics
Onboard CV75 processing supports AXIS Video Motion Detection, AXIS Tampering Detection, and the AXIS Camera Application Platform, allowing transit operators to deploy third-party analytics applications directly on the camera without additional server infrastructure.
Wide Operating Temperature and IK10 Protection
Rated for operation between -30 and 55 degrees Celsius and carrying an IK10 impact rating alongside IP66/IP67 dust and water ingress protection, the camera is built to handle the thermal extremes and physical environment of active rolling stock.
Best For
- Passenger Rail Carriage Monitoring: The 98.8-degree horizontal field of view from a ceiling-mounted position allows a single camera to cover a full seating bay, reducing the number of cameras required per carriage.
- Tram Surveillance Projects Requiring Certified Equipment: EN 50155 and EN 45545 certifications satisfy procurement specifications for tram operators where non-certified equipment would be excluded from tender consideration.
- Transit Networks with Cybersecurity Obligations: The Edge Vault platform with signed video and encrypted filesystem supports operators who must demonstrate tamper-evident footage and secure device identity to meet network security policies.
- Installations Requiring Onboard Edge Storage: Built-in support for microSD/microSDHC/microSDXC cards allows local storage of footage for retrieval at the depot when connectivity during travel is intermittent or unavailable.
Why Choose the AXIS P3947-R
Where a standard commercial dome camera would fail rail procurement certification, the AXIS P3947-R carries the EN 50155 and EN 45545 approvals that rolling stock projects require. The CV75 deep learning chipset enables onboard analytics without adding a separate processing server, keeping the system architecture compact inside a vehicle where space is constrained. Forensic WDR handles the contrast between bright station platforms and dark carriage interiors, while the -30 to 55 degree operating range covers depot environments in cold climates through to summer service conditions. The Edge Vault cybersecurity stack addresses the increasingly mandatory requirements for device integrity verification and encrypted video evidence in public transit. Available at Security Wholesalers, the AXIS P3947-R is a camera built specifically for the transport sector rather than adapted from a general-purpose product range.
Buyer Decision Tips
Transportation Certification Requirement: If your project specification or tender document lists EN 50155 or EN 45545 as mandatory requirements, verify that all cameras on the bill of materials carry both certifications. The AXIS P3947-R meets both standards, but other cameras in the Axis range are not certified to these transportation regulations. Confirm compliance at the camera level before finalising your design.
Fixed Lens Coverage Planning: The 2.8 mm fixed lens provides a 98.8-degree horizontal field of view, which suits wide interior coverage of seating bays. Because the lens is fixed and cannot be adjusted after installation, calculate your mounting height and camera spacing before installation to confirm the viewing angle covers the intended area without gaps or blind spots at seat level.
Key Features & Technical Specifications
| Model |
AXIS P3947-R RJ45 2.8 mm |
| SKU |
03378-001 |
| Sensor Resolution |
5 MP (2592×1944) |
| Maximum Frame Rate |
60 fps |
| Focal Length |
2.8 mm fixed |
| Aperture |
f/2.0 |
| Horizontal Field of View |
98.8 degrees |
| Minimum Illumination (Colour) |
0.16 lux |
| IR Illumination |
None (Lightfinder and Forensic WDR) |
| Chipset |
CV75 deep learning processor |
| Analytics |
AXIS Video Motion Detection, AXIS Tampering Detection, AXIS Camera Application Platform |
| Cybersecurity |
Axis Edge Vault – secure element CC EAL 6+, TEE, Axis device ID, signed video, secure boot, AES-XTS-Plain64 256-bit encrypted filesystem |
| Audio |
Built-in microphone (disableable via physical switch); audio detection; max sound pressure 128 dB; frequency range 100-10,000 Hz |
| Power |
PoE IEEE 802.3af Type 1 Class 2; typical 3.55 W, max 4.42 W |
| Network Connector |
RJ45 with PoE |
| Local Storage |
microSD/microSDHC/microSDXC card slot |
| Operating Temperature |
-30 to 55 degrees Celsius |
| Ingress Protection |
IP66, IP67 |
| Impact Rating |
IK10 |
| Transportation Certifications |
EN 50155, EN 45545 |
Ideal Use Cases
Metropolitan Train Carriages
The 98.8-degree field of view covers wide seating bays from a ceiling dome position, while EN 50155 certification satisfies rail authority procurement requirements for onboard surveillance equipment in metropolitan rail networks.
Tram and Light Rail Vehicles
EN 45545 fire safety certification and IK10 impact resistance make the AXIS P3947-R suited to tram installations where compact dome form factor, vibration tolerance, and regulatory compliance are all required simultaneously.
Overnight and Low-Light Service Routes
Lightfinder technology with 0.16 lux minimum illumination maintains colour footage in dimly lit carriages during late-night services, tunnel segments, or routes where interior lighting is reduced to conserve vehicle power.
Depot-Retrievable Edge Storage Systems
Where live video transmission from moving vehicles is intermittent, the microSD card slot allows continuous local recording onboard, with footage retrieved at the depot or terminus at the end of each service run.
Secure Transit Evidence Systems
Signed video and the AES-XTS-Plain64 256-bit encrypted filesystem ensure footage integrity can be demonstrated in legal or investigative proceedings, supporting incident management processes where chain-of-custody documentation is required.
Choosing the Right Model
- Choose this model if: Your installation is inside a train carriage or tram, your procurement specification requires EN 50155 and EN 45545 certification, and you need onboard analytics capability without a separate server – the CV75 chipset and AXIS Camera Application Platform support third-party applications directly on the camera.
- Choose a different model if: Your installation is a standard commercial or industrial premises where EN 50155/EN 45545 certifications are not required – a fixed dome camera without transportation certifications will typically offer a lower cost per unit for non-rail environments. Similarly, if you require built-in IR illumination for completely unlit spaces, this model does not include onboard IR and relies on existing ambient light levels.
FAQs
- What does EN 50155 certification mean for a surveillance camera?
EN 50155 is a European standard specifying requirements for electronic equipment used on rolling stock. Compliance covers operating temperature ranges, power supply variations, humidity, vibration, and shock conditions typical of railway environments. For procurement purposes, it means the AXIS P3947-R has been tested and verified to function reliably within the electrical and mechanical conditions present inside operating trains and trams.
- Can the AXIS P3947-R be mounted on the outside of a tram?
The camera is designed as an onboard dome for interior installation. External tram mounting is possible only when used with the AXIS TP3826-E Housing, which is an optional accessory that provides the environmental protection needed for exterior placement on trams. Without that housing, it should be installed internally.
- Does this camera have infrared night vision?
No. The AXIS P3947-R does not include built-in IR illuminators. Low-light performance relies on the f/2.0 aperture, Lightfinder technology, and Forensic WDR. The minimum illumination in colour is 0.16 lux, which is sufficient for most lit carriage interiors but not for completely dark, unlit environments.
- What cybersecurity features does the Edge Vault platform provide?
Axis Edge Vault on the P3947-R includes a CC EAL 6+-rated secure element, trusted execution environment (TEE), Axis device ID for verified identity, signed video to detect tampering, secure boot, and an AES-XTS-Plain64 256-bit encrypted filesystem. These features collectively allow transit operators to verify the authenticity of footage and demonstrate that neither the device nor the recorded video has been manipulated.
- Can third-party analytics applications be installed on this camera?
Yes. The AXIS Camera Application Platform is supported, allowing certified third-party applications to run directly on the camera’s CV75 chipset. This enables operators to add analytics such as occupancy counting or specific detection logic without deploying a separate analytics server for each vehicle.
- Does the AXIS P3947-R support two-way audio for passenger communication?
No. The camera includes a built-in microphone for audio detection and recording, with a physical switch to disable it. However, there is no built-in speaker, so two-way audio communication is not supported. The microphone is intended for incident audio capture rather than passenger interaction.
- Where can I purchase the AXIS P3947-R in Australia?
The AXIS P3947-R is available through Security Wholesalers, supplied to integrators and transit system contractors working on rail and tram projects across Australia. Contact the team for pricing, availability, and project quantity requirements.
Additional Information
AXIS 03378-001 Datasheet
