
Fire Alarm 4 Wires Heat Detector with Relay Output. Reliable Heat Detection: State-of-the-art optical sensing chamber with circular LED for 360 visibility. Wide Voltage Compatibility: Operates on 9-35VDC with low power consumption and high stability. Standard Compliance: Meets EN54-5 standard for fixed temperature fire detectors. Durable Construction: Plastic housing and metal parts with protective device against distortion. Relay Output: 4-wire connection with relay dry contact output for easy integration. Easy Installation: Simple maintenance and installation process for various locations. Customized Orders: Customized orders supported to meet specific customer needs. ISO 9001 Certified: Manufacturer certified with ISO 9001:2008 and third-party certificates.