5MP Bullet Camera 2.8 mm Lens Smart IR 30 m IP67 4in1 CVI TVI AHD CVBS for Video Surveillance - Dahua
HAC-B2A51-U-S3 - The 5MP Bullet camera with 2.8mm fixed lens is designed to offer high-definition video surveillance in indoor and outdoor environments, with images up to 5MP (2880×1620) and a wide viewing angle of 105.5° . Thanks to Smart IR technology with a range of up to 30 meters , Digital WDR , 2DNR and ICR Day/Night functions, it guarantees clear footage even in low light conditions. 4-in-1 compatibility (CVI, TVI, AHD and CVBS) ensures simple integration with the main analog systems, while the metal body and IP67 certification guarantee maximum resistance to atmospheric agents and reliability over time. Dahua
HAC-B2A51-U-S3 | 5MP HDCVI BULLET CAMERA FIXED LENS 2.8mm - SMART IR

The HAC-B2A51-U-S3 5MP Bullet camera with 2.8mm fixed lens is designed to ensure professional video surveillance with 5MP (2880×1620) images and a wide 105.5° viewing angle , ideal for monitoring outdoor areas. Thanks to Smart IR technology up to 30 meters , Digital WDR , 2DNR and ICR Day/Night functions, it ensures detailed footage even in low light conditions. 4-in-1 compatibility (CVI, TVI, AHD and CVBS) allows for simple integration with various analog DVRs, while the metal body and IP67 certification guarantee high resistance and reliability over time.
Main specifications:
- Resolution: 5MP (2880×1620) with high definition CMOS sensor.
- Optics: 2.8mm fixed lens with 105.5° viewing angle.
- Night Vision: Smart IR up to 30 meters with 3 IR LEDs.
- Video technologies: Digital WDR, 2DNR and ICR Day/Night.
- Compatibility: 4 in 1 (CVI, TVI, AHD and CVBS).
- Protection: IP67 with metal body for outdoor use.
Further details
Technical data sheet
| HAC-B2A51-U-S3 |
| Technical features |
| Dahua Cooper Series 4-in-1 Bullet Camera |
| 5 MP CMOS sensor |
| Maximum resolution 5MP (2880×1620) |
| Progressive scanning system |
| Automatic ICR |
| Minimum illumination of 0.02 [email protected] in color (30 IRE) |
| Minimum illumination 0.002 [email protected] in B/W (30 IRE) |
| 0 lux with IR activated |
| Intelligent IR with 25 m range |
| 2 IR LEDs |
| Fixed lens 2.8 mm IR LEDs (F2.0) |
| Angle of view: H 105.5°, V 56.5°, D 125.3°, D 125.3°, D 125.3°. |
| Video |
| 4-in-1 technologies: CVI, TVI, AHD and CVBS selectable by DIP switch |
| Resolutions: 5MP (2880×1620), 4MP (2560×1440), 1080P (1920×1080), 960H (960×576 / 960×480), TVI 5MP 16:9 (2960×1665) |
| Frames per second: CVI PAL: 5MP@25ips, [email protected], 4MP@25ips, 1080P@25ips; TVI: 5MP 16:9@20ips; AHD: 4MP@25ips; CVBS: 960H (PAL) |
| Day/Night modes Auto/ICR/Color/B&W |
| BLC, HLC and digital WDR |
| Auto or area white balance |
| Auto gain control |
| 2DNR noise reduction |
| Motion detection |
| Illumination mode: Smart IR |
| Privacy masking in up to 8 rectangular areas. |
| Multi-language OSD |
| Functionalities |
| Smart IR for uniform illumination |
| Long distance coaxial transmission up to 700 m depending on resolution |
| Communication interface |
| 4-in-1 video output (CVI/TVI/AHD/CVBS) via BNC port |
| Power supply |
| 12 VDC (±30%) |
| Maximum power consumption 3.5 W (with IR on) |
| Environmental |
| Operating temperature -40°C to +60°C (-40°F to +60°F) |
| Operating humidity less than 95% (non-condensing) |
| Storage temperature -40 °C to +60 °C (-40 °F to +60 °C) |
| Storage Humidity less than 95% (non-condensing) |
| IP67 protection |
| Basic corrosion protection level |
| Physical characteristics |
| Metal housing |
| Wall, ceiling or vertical pole installation |
| Dimensions: 150.0 × 69.7 × 70.0 mm (150.0 × 69.7 × 70.0 mm) |
| Net weight: 0.31 kg |
| Gross weight: 0.38 kg |
| 3AXIS: Pan 0°~360°, Tilt 0°~78°, Rotation 0°~360° |
| Certifications |
| CE-LVD: EN 62368-1 |
| CE-EMC: EN 55032 and EN 55035 |


