DH-HAC-B1A51N
The Dahua DH-HAC-B1A51N is a 5MP HDCVI Fixed IR Bullet Camera from the Cooper Series (S2 variant, NTSC version), designed for reliable analog HD surveillance with infrared night vision up to 20m using Smart IR technology.
It supports max 25 fps@5MP (2880×1620, 16:9 output) with switchable multi-format compatibility (CVI/CVBS/AHD/TVI) and requires compatible XVR firmware (V4.001.0000001.0.R.200908 or later) for full 5MP performance.Key Specifications
| Feature | Specification |
|---|---|
| Image Sensor | 1/2.7" CMOS |
| Resolution | 2880 × 1620 @ 25 fps |
| Lens | 3.6 mm fixed (2.8 mm optional; F2.0) |
| Illumination | Max. IR 20 m, Smart IR |
| Min. Illumination | 0.02 lux @ F2.0; 0 lux IR on |
| Image Enhancement | DWDR, 2D NR, BLC/HLC |
| Formats | CVI/CVBS/AHD/TVI switchable |
| Power | 12 VDC (max. 3.7 W IR on) |
| Protection | IP67 weatherproof (-40°C to +60°C) |












