System Sensor 5351RB Intelligent Rate-of-Rise Heat Detector The System Sensor 5351RB is an intelligent, field-programmable rate-of-rise heat detector designed to provide fast, reliable fire detection for commercial and industrial applications. Utilizing an advanced thermistor sensing circuit, the detector delivers rapid response to changing temperatures while minimizing unwanted alarms. The 5351RB is programmable through the compatible Fire Alarm Control Panel (FACP), allowing it to operate as a 135°F fixed temperature detector, a rate-of-rise detector with a 135°F fixed temperature threshold, or a 190°F high temperature detector. This flexibility enables the detector to adapt to a wide range of environments and fire protection requirements. UL 521 listed with a coverage spacing of up to 50 feet, the 5351RB provides dependable open-area protection and integrates seamlessly with compatible intelligent fire alarm systems. Key Features Intelligent, field-programmable heat detector Advanced thermistor sensing circuit for fast and accurate temperature detection Programmable through the compatible Fire Alarm Control Panel (FACP) Configurable operating modes: Rate-of-rise with 135°F fixed temperature 135°F fixed temperature only 190°F high temperature UL 521 listed for dependable heat detection Up to 50-foot spacing for open-area protection (UL approved) Designed for use with compatible System Sensor intelligent fire alarm systems Reliable performance with reduced false alarms Ideal for commercial, industrial, institutional, and educational facilities Applications The System Sensor 5351RB is ideal for protecting areas where heat detection is preferred over smoke detection, including: Mechanical rooms Boiler rooms Commercial kitchens Warehouses Manufacturing facilities Utility rooms Parking garages Dusty or humid environments where smoke detectors may not be suitable Specifications Manufacturer: System Sensor Model: 5351RB Product Type: Intelligent Rate-of-Rise Heat Detector Detection Method: Advanced thermistor sensing circuit Programmable Modes: Rate-of-Rise with 135°F Fixed Temperature 135°F Fixed Temperature 190°F High Temperature UL Listing: UL 521 Maximum Listed Spacing: 50 ft Compatibility: Compatible System Sensor intelligent Fire Alarm Control Panels (FACP)
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