Description
ActiV High 75ºC Fixed Temp. Heat Detector
Solving the complex challenge of rapid detection and notification, this ActiV High 75ºC Fixed Temp. Heat Detector is a vital integration point for any C-TEC fire safety systems.
ActiV High 75ºC Fixed Temp. Heat Detector
Part No. C4403B Detector Base Instruction 
Instruction
- A high-quality Type B high fixed temperature (75ºC) heat detector offering outstanding detection performance at a very competitive price.
- Manufactured by C-TEC in the UK.
- Third-party certified to EN54-5 by Intertek.
- Wide 6-33V DC operating voltage.
- Two 8mm x 2mm ultra-bright red LED indicating strips offering 360º visibility.
- Compatible with our ActiV C4408D diode, C4408 non-diode and C4408R relay bases.
Technical Specifications:
- Approvals/certifications Certified to EN54-5 by Intertek (0359-CPR-00183).
- Application/operation Generates an alarm condition when it detects a temperature of between 69ºC & 85ºC.
- Application temperature 40°C typical, 65°C max.
- Static response temperature 69°C typical, 85°C max.
- Supply wiring 2-wire monitored, polarity sensitive.
- Supply/operating voltage 9 to 33V DC.
- Quiescent current 30µA @ 24 VDC.
- Alarm voltage 6-33V DC.
- Alarm current 19mA @ 12-33V DC; 11mA @ 9V DC; 2.5mA@ 6V DC.
- Alarm reset voltage Less than 1V DC (+0.5 seconds alarm reset time).
- Expansion connections Remote LED output available via ActiV base. Current source to the negative line, short-circuit protected. Max voltage 2.7V DC.
- Product dimensions (mm) 102.2mm diameter x 37mm deep (detector in base); 102.2mm diameter x 57.5mm deep.
- Construction & finish White polycarbonate casing rated to UL94 V-2 with nylon parts.
- IP Rating IP42.
- Weight 99g.
Integrated within a wider network of high-integrity life safety systems, this unit ensures your LPCB certified sensing hardware operate with maximum efficiency.
Technical Insight: The ActiV High 75ºC Fixed Temp. Heat Detector utilizes C-TEC’s proprietary sensing logic to filter out environmental noise while prioritizing fire signatures. Advanced microprocessor control provides intelligent drift compensation, ensuring consistent performance over the lifespan of the device.
Installation Pro-Tip: Detectors in industrial environments should be cleaned regularly to prevent dust buildup from affecting sensitivity.
Compliance Framework: Fully tested and certified to relevant UK standards for C-TEC professional ecosystems.
The Evolution Advantage
- 🛡️ Verified C-TEC Distribution: Guaranteed authentic hardware with full support.
- 🚚 Logistics Excellence: Rapid UK-wide dispatch for time-critical safety projects.
- 📞 Installer Support: Direct access to technical guidance for complex system commissioning.
- ✅ Quality Assured: All hardware meets current UKCA/CE and BS standards.
