Edwards Signaling SD-CT 230V Duct Dectector Controller 4-Wire

Streamline duct smoke detection and improve response times with the Edwards Signaling SD-CT 230V Duct Detector Controller 4-Wire. As a Fire Alarm Control Panel Accessory, the SD-CT provides a reliable interface and power source for SD-series duct smoke detectors, enabling accurate smoke monitoring and reduced nuisance alarms. The controller supports 4-wire connections and dual input voltage (120V/230V AC), offering installation flexibility for both retrofit and new HVAC projects. Its surface-mount housing speeds up mounting in ductwork or plenum areas, while UL environmental certification ensures code-compliant performance and long-term durability. For security-conscious facilities—data centers, retail, healthcare, and industrial sites—the SD-CT integrates duct detection into centralized surveillance and monitoring strategies, improving situational awareness and incident management. Installers appreciate straightforward wiring and faster commissioning; facility managers benefit from consistent detection and reduced downtime. Specify the Edwards Signaling SD-CT for reliable duct smoke protection that enhances your fire alarm system and building security. Contact our sales team or order now to include the SD-CT in your next HVAC or life-safety project.

• Integrates seamlessly with Edwards SD-series duct smoke detectors to deliver accurate, dependable smoke monitoring and reduce false alarms
• 4-wire connectivity with dual voltage support (120V / 230V AC) for flexible installations and easier retrofit or new-build deployment
• Surface-mount design simplifies installation in HVAC ducts and minimizes labor time for contractors
• UL-certified and environmentally friendly construction provides code-compliant reliability and long-term performance
• Enhances site security and surveillance by tying duct detection into centralized fire alarm monitoring and building management systems