System Sensor P2RL-LF L-Series Indoor Selectable Output Low Frequency Sounder Strobe, 2-Wire, Wall Mount, FIRE Marking, Red The System Sensor P2RL-LF is an indoor wall-mounted low-frequency sounder strobe designed to provide both audible and visual notification for commercial fire alarm systems. As part of the System Sensor L-Series, it combines a 520 Hz low-frequency sounder with a high-performance strobe to help meet modern occupant notification requirements, particularly in sleeping areas. Replacing the P2RH-LF, the P2RL-LF features a red housing with FIRE marking and offers field-selectable candela settings, multiple audible tone options, and High/Low output selection. Its advanced plug-in design and universal mounting plate with an onboard shorting spring simplify installation while reducing labor time and minimizing the risk of wiring faults. Compatible with legacy SpectrAlert, SpectrAlert Advance, and L-Series notification appliances, the P2RL-LF is an ideal solution for both retrofit and new construction applications. Key Features Indoor wall-mounted low-frequency sounder strobe 2-wire design Red housing with FIRE marking Replaces the System Sensor P2RH-LF 520 Hz low-frequency sounder Field-selectable candela settings High and Low audible output settings Rotary switch for Temporal 3, Temporal 4, Continuous, and Coded operation Plug-in design for fast installation Universal mounting plate with onboard shorting spring Compatible with MDL3 Sync Module Compatible with SpectrAlert, SpectrAlert Advance, and L-Series notification appliances Modern low-profile design Genuine System Sensor notification appliance Applications The System Sensor P2RL-LF is ideal for: Hotels and motels Apartment buildings Dormitories Student accommodation Hospitals Assisted living facilities Nursing homes Residential care facilities Commercial buildings Indoor fire alarm systems requiring low-frequency occupant notification Specifications Manufacturer: System Sensor Model: P2RL-LF Product Series: L-Series Product Type: Low-Frequency Sounder Strobe Installation: Indoor Mounting: Wall Wiring: 2-wire Housing Color: Red Marking: FIRE Notification Type: Audible and Visual Sound Frequency: 520 Hz Candela Settings: 15, 30, 75, 95, 110, 135, and 185 cd Audible Settings: High and Low output Tone Options: Temporal 3, Temporal 4, Continuous, and Coded Operating Voltage: Regulated 24VDC/FWR Mounting Plate: Universal with onboard shorting spring Synchronization: Compatible with MDL3 Sync Module Compatibility: SpectrAlert, SpectrAlert Advance, and L-Series notification appliances Replacement For: P2RH-LF Why Choose the System Sensor P2RL-LF? The System Sensor P2RL-LF delivers dependable audible and visual notification in a single, installer-friendly appliance. Its 520 Hz low-frequency sounder helps satisfy modern sleeping-area notification requirements, while selectable candela settings, multiple tone options, and a plug-in installation design provide exceptional flexibility for both new installations and retrofit projects. With compatibility across the System Sensor notification product family, the P2RL-LF offers a reliable and efficient solution for commercial fire alarm systems.
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