{"product_id":"system-sensor-p2wled-lf-low-frequency-led-wall-sounder-strobe-white","title":"System Sensor P2WLED-LF Low-Frequency LED Wall Sounder Strobe, White","description":"\u003ch2\u003eSystem Sensor P2WLED-LF Low-Frequency LED Wall Sounder Strobe\u003c\/h2\u003e\n\n\u003cp\u003eThe System Sensor P2WLED-LF Low-Frequency LED Wall Sounder Strobe is a white fire notification appliance that combines a 520 Hz ± 10% square-wave audible signal with an energy-efficient LED strobe. Designed for sleeping-space applications, it provides seven selectable candela settings, high and low sound output, and regulated 24 VDC operation.\u003c\/p\u003e\n\n\u003cp\u003eThis wall-mount sounder strobe supports Temporal 3, Temporal 4, and continuous audible patterns for hotels, apartments, dormitories, healthcare facilities, and other fire alarm installations requiring low-frequency notification. Field-selectable 15, 30, 75, 95, 110, 135, and 185 candela settings give system designers flexibility when matching visual coverage requirements to room size and layout.\u003c\/p\u003e\n\n\u003cp\u003eThe P2WLED-LF uses a plug-in mounting plate with a shorting spring for wiring continuity checks before final installation. Digital voltage meter test points simplify end-of-line voltage troubleshooting without removing the appliance. It is electrically compatible with SpectrAlert Advance and L-Series devices across the specified 16 to 33 VDC range and supports System Sensor synchronization through compatible power supplies or an MDL Sync Module.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e520 Hz Low-Frequency Signal:\u003c\/strong\u003e Produces a 520 Hz ± 10% square-wave tone for sleeping-space fire notification applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Strobe Technology:\u003c\/strong\u003e Provides visual notification with reduced current draw compared with older strobe technologies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven Candela Settings:\u003c\/strong\u003e Select 15, 30, 75, 95, 110, 135, or 185 cd to match wall-mount coverage requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Sound Patterns:\u003c\/strong\u003e Supports Temporal 3, Temporal 4, and continuous operation with high or low volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDVM Diagnostic Points:\u003c\/strong\u003e Allows voltage measurements without removing the appliance from its installed position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-In Mounting:\u003c\/strong\u003e Uses an onboard shorting spring to support field wiring continuity checks before device installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Sensor Sync Support:\u003c\/strong\u003e Synchronizes through approved power supplies supporting System Sensor Sync or an MDL Sync Module.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e System Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e P2WLED-LF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e L-Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Low-Frequency LED Sounder Strobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 520 Hz ± 10%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaveform:\u003c\/strong\u003e Square wave\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTone Settings:\u003c\/strong\u003e Temporal 3, Temporal 4, continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume Settings:\u003c\/strong\u003e High and low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Candela Settings:\u003c\/strong\u003e 15, 30, 75, 95, 110, 135, 185 cd\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrobe Flash Rate:\u003c\/strong\u003e 1 flash per second\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Output, High:\u003c\/strong\u003e 81 dBA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Output, Low:\u003c\/strong\u003e 78 dBA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemporal 3 High Current Draw:\u003c\/strong\u003e 90 \/ 95 \/ 117 \/ 125 \/ 131 \/ 137 \/ 145 mA at 15 \/ 30 \/ 75 \/ 95 \/ 110 \/ 135 \/ 185 cd\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemporal 3 Low Current Draw:\u003c\/strong\u003e 89 \/ 89 \/ 89 \/ 89 \/ 89 \/ 91 \/ 99 mA at 15 \/ 30 \/ 75 \/ 95 \/ 110 \/ 135 \/ 185 cd\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemporal 4 High Current Draw:\u003c\/strong\u003e 89 \/ 89 \/ 89 \/ 89 \/ 90 \/ 97 \/ 125 mA at 15 \/ 30 \/ 75 \/ 95 \/ 110 \/ 135 \/ 185 cd\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemporal 4 Low Current Draw:\u003c\/strong\u003e 89 \/ 89 \/ 89 \/ 89 \/ 89 \/ 89 \/ 91 mA at 15 \/ 30 \/ 75 \/ 95 \/ 110 \/ 135 \/ 185 cd\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous High Current Draw:\u003c\/strong\u003e 137 \/ 138 \/ 158 \/ 163 \/ 169 \/ 176 \/ 185 mA at 15 \/ 30 \/ 75 \/ 95 \/ 110 \/ 135 \/ 185 cd\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Low Current Draw:\u003c\/strong\u003e 88 \/ 89 \/ 89 \/ 91 \/ 97 \/ 104 \/ 113 mA at 15 \/ 30 \/ 75 \/ 95 \/ 110 \/ 135 \/ 185 cd\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e Regulated 24 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage Range:\u003c\/strong\u003e 16 to 33 VDC, 24 V nominal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage with MDL Sync Module:\u003c\/strong\u003e 16.5 to 33 VDC, 24 V nominal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Terminal Wire Gauge:\u003c\/strong\u003e 12 to 18 AWG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 32°F to 120°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity Range:\u003c\/strong\u003e 10% to 93% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.7\" L x 4.7\" W x 2.2\" D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface-Mount Back Box:\u003c\/strong\u003e SBBWL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions with SBBWL:\u003c\/strong\u003e 5.8\" L x 4.8\" W x 4.1\" D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Compatibility:\u003c\/strong\u003e SpectrAlert Advance and L-Series devices at 16 to 33 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronization:\u003c\/strong\u003e System Sensor Sync-compatible approved power supplies or System Sensor MDL Sync Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Listing:\u003c\/strong\u003e S4011\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eULC:\u003c\/strong\u003e Listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Approval:\u003c\/strong\u003e PR472993\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSFM:\u003c\/strong\u003e 1653:0157\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":46717491904709,"sku":"SYS-P2WLEDLF","price":131.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/1-system-sensor-p2wled-lf_acb19d2d-b11f-4279-a91e-08ad84033431.jpg?v=1786575381","url":"https:\/\/avlgear.com\/products\/system-sensor-p2wled-lf-low-frequency-led-wall-sounder-strobe-white","provider":"AVLGEAR","version":"1.0","type":"link"}