DH-HAC-B2A51N
The Dahua DH-HAC-B2A51N is a 5MP HDCVI Fixed IR Bullet Camera from the Cooper Series (S2 variant, NTSC version), offering reliable analog HD surveillance with Smart IR night vision up to 20m.
It supports max 20-25 fps@5MP (2592×1944 or 2880×1620 16:9 output), multi-format switchable video (CVI/CVBS/AHD/TVI), DWDR, and requires compatible XVR firmware for optimal performance.Key Specifications
| Feature | Specification |
|---|---|
| Image Sensor | 1/2.7" CMOS |
| Resolution | 2592 × 1944 or 2880 × 1620 @ 20-25 fps |
| Lens | 3.6 mm fixed (2.8/6 mm optional; F1.85-F2.0) |
| Illumination | Smart IR up to 20 m |
| Min. Illumination | 0.04 lux @ F2.0; 0 lux IR on |
| Image Enhancement | DWDR, 2D NR, BLC/HLC |
| Formats | CVI/CVBS/AHD/TVI switchable |
| Power | 12 VDC (max 3.9 W IR on) |
| Protection | IP67 weatherproof (-40°C to +60°C) |












