Product SKU: M3057-PLR
Product Overview
Purpose-built for onboard vehicle surveillance, the AXIS M3057-PLR Mk II is a 6 MP panoramic dome camera certified to EN50155 and EN45545-2, the mandatory transportation standards for railway rolling stock electronics and fire protection. It is engineered for ceiling installation in rail carriages, trams, and buses, where a single unit delivers a complete 360° view of the entire passenger cabin. A selectable 180° overview mode suits end-of-carriage positions. The M12 connector locks mechanically into place and maintains electrical continuity through constant vehicle vibration, which standard RJ45 connections cannot reliably sustain in this environment. Featuring Axis Lightfinder for colour imaging in near-dark interiors and Forensic WDR to resolve contrast between bright doorways and dark cabin zones, the camera handles the specific lighting challenges of transit interiors. Axis OptimizedIR, Zipstream with H.264 and H.265, and Axis Edge Vault with signed firmware and secure boot complete the feature set.
Key Capabilities
EN50155 and EN45545-2 Transportation Certification
Both standards are procurement requirements for many public transport authorities. EN50155 governs electrical equipment on railway rolling stock including power input tolerances, temperature ranges, and vibration resistance. EN45545-2 covers fire protection materials used inside railway vehicles. Neither can be substituted by a general-purpose camera with equivalent image specifications.
M12 Vibration-Resistant Connector
The M12 connector uses a mechanical locking ring that holds the termination in place through the continuous shock and vibration of a moving vehicle. Standard RJ45 plugs are not designed for this environment and can work loose or degrade over time on rail or bus installations, causing intermittent signal loss in the field.
360° Cabin Coverage from a Single Unit
One ceiling-mounted AXIS M3057-PLR Mk II covers an entire vehicle interior in 360°, reducing the total camera count and cabling required per vehicle. A selectable 180° corridor mode is available for end-of-carriage or wall-adjacent positions where the full panoramic sweep would include non-usable structural surfaces.
Onboard Dewarping with Multi-Stream Output
The camera processes fisheye dewarping onboard and outputs panorama, quad, corner, and corridor views directly from the device. Digital pan, tilt, and zoom across up to 4 simultaneous areas of interest allow operators to frame specific cabin zones without physically reconfiguring the installation or adding cameras.
Transit Interior Imaging: Lightfinder, WDR, and OptimizedIR
Axis Lightfinder delivers usable colour output in dimly lit vehicle interiors. Forensic WDR handles the contrast between bright doorways and darker cabin zones within the same frame. OptimizedIR automatically adjusts infrared output to avoid overexposure at close range during night-route or low-light services.
Axis Edge Vault and Signed Firmware
Axis Edge Vault stores the device identity and cryptographic keys in a dedicated hardware module, supporting secure network authentication of each camera unit. Signed firmware and secure boot verify that only authorised, unmodified software runs on the device, which is particularly relevant for large networked fleet deployments where individual unit integrity must be confirmed at scale.
Best For
- Rail and Tram Rolling Stock Installations: EN50155 and EN45545-2 certification is a mandatory procurement requirement for electronic equipment on certified railway rolling stock. Standard building-grade cameras cannot satisfy these requirements regardless of their image specifications.
- Bus and Coach Fleet Operators: A single ceiling-mounted unit covers an entire bus cabin in 360°, reducing camera count, cable runs, and installation complexity per vehicle while simplifying management across a fleet.
- Night-Route and Low-Light Services: Axis Lightfinder maintains colour imaging in near-dark interiors and OptimizedIR extends coverage when cabin lighting is off, making the camera directly suited to overnight, intercity, and early-morning service routes.
- Large Connected Fleet Deployments: Axis Edge Vault and signed firmware support verifiable device authentication across dozens or hundreds of camera units networked across a fleet, meeting the security integrity requirements of centralised transport management systems.
Why Choose the AXIS M3057-PLR Mk II
The AXIS M3057-PLR Mk II occupies a narrow and specific product category: a 360° panoramic dome that is also a certified transportation device. Most fisheye cameras designed for building interiors carry no EN50155 or EN45545-2 compliance, no M12 connector, and no vibration-rated termination. This model delivers all three alongside IK10 impact resistance and IP66/67 ingress protection in a compact ceiling-mount form factor proportioned for vehicle cabins. The 6 MP sensor with Forensic WDR and Lightfinder addresses the contrast and low-light conditions specific to transit interiors, while Axis Zipstream with H.265 keeps storage consumption manageable on onboard recorders with constrained capacity. For fleet procurement teams and system integrators working to transportation compliance standards, the M3057-PLR Mk II is available at Security Wholesalers and represents a technically specific solution that a standard panoramic dome cannot replicate.
Buyer Decision Tips
M12 Cabling Compatibility: The M12 connector used on this camera is not interchangeable with standard RJ45 Cat5e or Cat6 patch terminations. Any onboard cabling plan for this camera must be specified with M12-compatible infrastructure from the outset. Mechanical M12-to-RJ45 adapters can be sourced but introduce a connection point that is not rated for continuous vibration, which negates the core reliability benefit the M12 specification is designed to provide in a moving vehicle.
VMS and NVR Dewarping Support: While the M3057-PLR Mk II performs onboard dewarping and outputs panorama, quad, corner, and corridor streams directly, your recording platform should also be verified for compatibility with Axis VAPIX or ONVIF dewarping profiles. This is important for live monitoring workstations and forensic review workflows where operators need to reframe footage after recording. Confirming VMS compatibility before deployment avoids a situation where raw fisheye output is stored without accessible dewarping tools at review.
Key Features & Technical Specifications
| Model | AXIS M3057-PLR Mk II |
| Resolution | 6 MP |
| Camera Type | Panoramic dome |
| Field of View | 360° panoramic / 180° overview |
| Stream View Options | Panorama, quad, corner, corridor |
| Digital PTZ | Up to 4 simultaneous areas of interest |
| Low-Light Technology | Axis Lightfinder |
| WDR | Forensic WDR |
| IR Illumination | Axis OptimizedIR |
| Video Compression | H.264 and H.265 via Axis Zipstream |
| Connector Type | M12 |
| Transportation Standards | EN50155, EN45545-2 |
| Impact Rating | IK10 |
| Ingress Protection | IP66/67 |
| Cybersecurity | Axis Edge Vault, signed firmware, secure boot |
| Tampering Detection | Active tampering alarm |
| Digital Roll | Supported (factory-focused alignment) |
Ideal Use Cases
Passenger Train Carriages
EN50155 and EN45545-2 compliance satisfies the mandatory certification requirements for rolling stock installations. The M12 connector handles continuous track vibration, IK10 impact resistance suits a public-facing environment, and the 360° panoramic view covers the full carriage interior from a single ceiling mount.
City and Intercity Buses
One unit mounted at the ceiling covers the entire bus cabin without requiring multiple cameras and separate cable runs. Forensic WDR manages window glare against a darker interior, keeping passenger and incident detail usable across the varied daylight conditions typical of urban and regional routes.
Tram and Light Rail Vehicles
The compact dome form factor mounts flush to the tram ceiling without reducing passenger headroom. The selectable 180° corridor mode covers end-of-cabin positions where the full 360° sweep would include doors or structural panels rather than usable scene content, giving operators configurable coverage geometry.
Overnight and Low-Light Services
Axis Lightfinder retains colour imaging in near-dark vehicle interiors. OptimizedIR extends coverage when interior lighting is switched off entirely. Both capabilities apply directly to overnight, intercity, and early-morning services where ambient cabin illumination is minimal or absent for extended portions of the route.
Networked Multi-Vehicle Fleet Deployments
Axis Edge Vault provides hardware-based device authentication for each camera unit across a connected fleet. Signed firmware verification and secure boot confirm that individual units are genuine and running authorised software, supporting the integrity and auditability requirements of centralised fleet management systems.
Choosing the Right Model
- Choose this model if: Your installation is inside a train, tram, or bus where EN50155 or EN45545-2 certification is a procurement requirement, where an M12 connector is needed for vibration resistance, and where a single camera must deliver 360° coverage of an entire vehicle cabin from one ceiling mounting point.
- Choose a different model if: Your installation is a fixed indoor ceiling in a building such as a lobby, retail floor, or office where transportation certification standards are not relevant and M12 cabling infrastructure is not present. A standard panoramic fisheye dome without transportation-grade construction will provide equivalent 360° coverage in those environments at a lower cost.
- Choose a different model if: Your NVR or VMS does not support Axis VAPIX or ONVIF fisheye dewarping. Raw fisheye output from this camera requires dewarping to be practical for live operator monitoring and forensic review. Confirm platform compatibility before deployment.
FAQs
- What exactly do EN50155 and EN45545-2 require, and why are they important for onboard camera procurement?
EN50155 defines requirements for electronic equipment installed on railway rolling stock, including power supply input tolerances, operating temperature ranges, humidity resistance, and vibration handling. EN45545-2 specifies fire protection requirements for materials used inside railway vehicles. Both certifications are mandatory under many public transport authority procurement frameworks, and their absence from a product specification will typically prevent it from being approved for installation on certified rolling stock regardless of its image or resolution credentials. - Why does the M3057-PLR Mk II use an M12 connector rather than a standard RJ45?
The M12 connector uses a threaded mechanical locking ring that secures the termination against the continuous vibration and shock present in a moving vehicle. A standard RJ45 plug relies on a plastic retention tab that is not rated for this environment and can disengage or degrade over time during onboard service. For installations in rail carriages, trams, or buses, the M12 termination is specified precisely because it maintains a reliable connection under conditions that would compromise a conventional network plug. - How do the 360° and 180° modes differ, and when should each be selected?
The 360° panoramic mode is suited to ceiling-centre mounting positions where the camera has clear sight lines across the full width and length of a vehicle cabin. The 180° corridor mode is more appropriate when the camera is mounted near the end of a carriage or closer to a wall, where the opposite half of the 360° sweep would capture structural panels or doors rather than usable passenger scene content. Both modes are selectable after installation through the camera configuration interface. - What dewarped stream options does the camera produce without requiring the VMS to do the processing?
The AXIS M3057-PLR Mk II handles fisheye dewarping onboard and outputs panorama, quad, corner, and corridor streams directly from the device. A compatible NVR can record any of these dewarped streams without requiring the VMS to apply dewarping post-capture. Digital pan, tilt, and zoom across up to 4 simultaneous areas of interest can also be applied at the camera level, giving operators and system integrators direct framing control from the device stream itself. - How does Axis Zipstream with H.265 help manage storage on onboard recorders with limited capacity?
Axis Zipstream dynamically reduces the bitrate in areas of the frame where there is low detail or minimal change between frames, while preserving full data in regions where passenger movement or scene complexity demands it. For continuous-recording onboard applications where storage capacity per vehicle is fixed and constrained, the H.265 implementation can produce meaningful reductions in file size compared to standard H.264 recording. The actual saving is scene-dependent but can be substantial on interior footage where large portions of the frame remain static between moments of passenger activity. - What does Axis Edge Vault do, and why does it matter in a fleet deployment?
Axis Edge Vault is a hardware-based security module embedded in the camera that stores the unique device identity and cryptographic keys in a protected environment separate from the main processor. It enables secure network authentication of each individual unit, supports signed firmware verification to detect unauthorised changes to device software, and works alongside secure boot to ensure the camera starts only with validated firmware. Across a large fleet where many cameras are connected to a centralised management network, this provides a verifiable and scalable mechanism for confirming that each device is genuine and has not been modified or compromised. - Where can I obtain the datasheet and arrange procurement of the AXIS M3057-PLR Mk II?
The official Axis datasheet is linked in the Additional Information section below. For stock availability and ordering, the M3057-PLR Mk II is part of the Security Wholesalers range and can be arranged directly through the platform. Contact the team for fleet quantity enquiries or project-specific procurement requirements.
Product Video Samples
Additional Information























