TPC-SD5441-B50Z45 - is a hybrid PTZ thermal camera designed for professional large-area monitoring and advanced perimeter protection. It integrates a 400 × 300 VOx thermal sensor with a 50 mm thermal lens and a 4 MP visible camera with 45x optical zoom and a 3.95-177.75 mm lens, ensuring high detection and identification capabilities at long distances. Artificial Intelligence functions include heat, smoke, intrusion, line crossing detection, human/vehicle classification and automatic target tracking. Two-way audio , IR illumination up to 100 m , 360° PTZ movement and IP66 protection complete the package, making it ideal for critical infrastructure, industrial sites and advanced security applications. Dahua
TPC-SD5441-B50Z45 | POE PTZ THERMAL IP CAMERA WITH 3.95-177.75mm VARIFOCAL LENS - 50mm THERMAL LENS - 4 MEGAPIXELS - ARTIFICIAL INTELLIGENCE - TWO-WAY AUDIO - SMOKE AND HEAT DETECTION

The Dahua TPC-SD5441-B50Z45 is a high-performance hybrid PTZ thermal camera designed for perimeter protection and ultra-long-distance monitoring. It integrates a 400 × 300 VOx thermal sensor with a 50 mm thermal lens and a 4 MP visible camera with 45x optical zoom and 3.95-177.75 mm lens, ensuring clear images and accurate detections. Advanced Artificial Intelligence functions include smoke and heat detection, human/vehicle classification, intrusion detection, tripwire and automatic target tracking. The solution is completed by two-way audio , IR illumination up to 100 meters , 360° PTZ movement and IP66 protection, ideal for critical infrastructure and industrial sites.
Main specifications:
- 400×300 VOx thermal sensor
- 4 MP CMOS optical sensor
- 50mm thermal optics
- Visible optics 3.95-177.75 mm
- 45x optical zoom
- AI with human/vehicle classification
- Smoke and heat detection
- Automatic target tracking
- Two-way audio
- IR illumination 100m
- IP66 protection and Hi-PoE power supply
Further details
The visible camera integrates a 3.95-177.75mm motorized lens with powerful 45x optical zoom , allowing you to monitor large areas and capture precise details of people, vehicles and distant targets with high image quality.
The 50mm thermal optic is designed for long-distance monitoring, ensuring high heat source detection capability and effective perimeter protection even in total darkness, fog or smoke.
✅ Two-way audio:
Technical data sheet
| TPC-SD5441-B50Z45 | |
| General | |
| Appearance | Thermal Network Hybrid Speed Dome Camera |
| Type | Security |
| Thermal | |
| Detector Type | Vanadium oxide uncooled focal plane detector |
| Effective Pixels | 400 (H) × 300 (V) |
| Pixel Pitch | 12 μm |
| Spectral Range | 8 μm–14 μm |
| Sensitivity (NETD) | <35 mk="" f="" 1="" 0="" 25="" hz="" 300="" k="" td=""> |
| Focal Length | 50 mm |
| Field of View | H: 5.5°; V: 4.12° |
| Thermal Focus Control | Fixed-focal |
| Digital Detail Enhancement (DDE) | Yes |
| Digital Zoom | 19 levels |
| Thermal AGC | Auto/Manual |
| Thermal Noise Reduction | 2D NR/3D NR |
| Image Flip | 180°; Mirror |
| Color Palettes | 18 (white hot/black hot/fusion/rainbow/golden autumn/midday/iron red/amber/jade/sunset/icefire/painting/pomegranate/emerald /spring/summer/autumn/winter) |
| Visible | |
| Image Sensor | 1/2.8" CMOS |
| Max. Resolution | 2688 (H) × 1520 (V) |
| Pixel | 4 MP |
| Horizontal Definition |
Center ≥ 1200 TVL |
| Min. Illumination | Color: 0.01 lux Black & white: 0.001 lux 0 lux (white light on) |
| Visible AGC | Auto/Manual |
| Visible Noise Reduction | 2D NR/3D NR |
| S/N Ratio | >55 dB |
| White Balance | Car; manual; indoor; outdoor; tracking; sodium lamp; street lamp; natural |
| Defog | Electronic defog |
| Electronic Shutter Speed | 1 s–1/30,000 s (auto/manual) |
| BLC | Yes |
| WDR | Yes |
| HLC | Yes |
| Day/Night | Auto (ICR); Color; B/W |
| Iris Control | DC Auto |
| Exposure Compensation | Yes |
| Visible Focus Control | Auto/Semi-auto/Manual |
| Focal Length | 3.95 mm–177.75 mm |
| Zoom Speed | <7 s |
| Close Focus Distance | 1 m–10 m (3.28 ft–32.81 ft) |
| Optical Zoom | 45× |
| Illuminator On/Off Control | Auto; manual |
| Illumination Distance | 100 m (328.08 ft) |
| Audio and Video | |
| Video Compression | H.265; H.264M; H.264H; H.264B |
| Video Compression | ≤8 kg (17.64 lb) |
| Gross Weight | ≤10 kg (22.05 lb) |
| Reliability | Surge protection: 6 kV Air discharge: 15 kV Contact discharge: 8 kV |
| Anti-corrosion Level | Basic Protection *The products are designed for general use in areas that have no specific requirements for anti-corrosion protection. |
| Certification | |
| Certifications | THERE IS |


