L-Series Low Frequency Sounders and LED Low Frequency Sounder Strobes are rich with features that increase application versatility, simplify installation, and maximize profits with lower current draw and modern aesthetics Features & Benefits: 520 Hz ± 10% square wave tone, NFPA compliance LED technology for Low Frequency Sounder Strobes provides lower current draw Digital Voltage Meter (DVM) diagnostic test points for Sounders and Sounder Strobes Field-selectable candela settings on wall units: 15, 30, 75, 95, 110, 135, and 185 Field-selectable candela settings on ceiling units: 15, 30, 75, 95, 115, 150, and 177 High/Low tone options to optimize current draw for a wide variety of applications Rotary switch for candela, tone and volume selections. Sounder-only models also offer a Coded setting. Mounting plate provides plug-in design for easier installation and shorting springs to check wiring continuity Electrically compatible with legacy SpectrAlert, SpectrAlert Advance and L-series devices at 16-33 VDC (Direct replacement for HW/RL-LF and P2R/WL-LF) Synchronization through use of UL approved power supplies that support System Sensor Sync protocol or System Sensor MDL Sync Module Compact, standard, and round ceiling options Sounders listed for ceiling and wall Common aesthetics across the L-Series platform
