{"title":"Fire Alarm Systems","description":null,"products":[{"product_id":"system-sensor-4w-b-i3-4-wire-smoke-detector","title":"System Sensor 4W-B i3 4-Wire Photoelectric Smoke Detector with Base, White","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe System Sensor 4W-B i3 Series Smoke Detector is a conventional four-wire photoelectric smoke detector designed for compatible commercial and residential fire alarm systems. Its advanced optical sensing chamber and onboard microprocessor provide reliable smoke detection while helping reduce nuisance alarms caused by dust and other environmental conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 4W-B operates on nominal 12V or 24V power and includes an alarm relay rated at 0.5A at 30V AC\/DC. This model is a photoelectric smoke detector only and does not include a heat sensor or built-in audible sounder.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEasy Installation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe plug-in design allows installers to pre-wire the included mounting base before attaching the detector head. A large wire-entry port and in-line terminals with SEMS screws provide additional room for routing and securing field wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSystem Sensor’s Stop-Drop ’N Lock design helps guide and secure the detector head onto the base. The included base can mount to several common electrical back boxes or directly to a ceiling using suitable fasteners.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIntelligent Smoke Detection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDrift compensation automatically adjusts for the gradual accumulation of dust and other contaminants in the sensing chamber. Smoothing algorithms help filter short-term environmental conditions that could otherwise cause unwanted alarms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe detector’s removable cover and sensing chamber simplify inspection and cleaning. A built-in test switch and compatibility with the System Sensor SENS-RDR sensitivity reader help technicians test and maintain the detector.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eInstant Visual Inspection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWide-angle red and green LEDs provide a clear local indication of detector status. The LEDs communicate conditions such as power-up, normal standby, out-of-sensitivity and alarm, allowing technicians to inspect the detector without removing it from the ceiling.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSystem Sensor 4W-B i3 smoke-detector head\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFour-wire plug-in mounting base\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eMain Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eConventional four-wire photoelectric smoke detection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNominal 12V or 24V non-polarized operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced optical sensing chamber\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMicroprocessor-based detector operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePlug-in detector head with mounting base included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBase can be pre-wired before detector installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge wire-entry port for easier cable routing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIn-line terminals with SEMS screws\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStop-Drop ’N Lock detector-to-base attachment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemovable detector cover and sensing chamber\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrift compensation helps account for chamber contamination\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmoothing algorithms help reduce nuisance alarms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt-in detector test switch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSimplified field-sensitivity measurement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with the System Sensor SENS-RDR sensitivity reader\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWide-angle red and green status LEDs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLocal out-of-sensitivity indication\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounts to common electrical back boxes or directly to a ceiling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUL 268 listed for fire alarm signaling systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWhite, low-profile housing\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e System Sensor\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eManufacturer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Honeywell\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4W-B\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct Series:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e i3\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Conventional Smoke Detector\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDetection Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Photoelectric\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDetectable Medium:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Smoke\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWiring Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Four-wire\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eThermal Sensor:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBuilt-In Sounder:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNominal Operating Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12\/24V non-polarized\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOperating Voltage Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8.5–35V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum Ripple Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 30% peak-to-peak\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum Standby Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 50 µA average\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum Alarm Current at 12V:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20 mA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum Alarm Current at 24V:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 23 mA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAlarm Contact Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.5A at 30V AC\/DC\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAlarm Reset Time:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.3 seconds\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum Initial Start-Up Time:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 15 seconds\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNominal Sensitivity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.5% per foot\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAccepted Wire Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 14–22 AWG\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStatus Indicators:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Wide-angle red and green LEDs\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOperating Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 32°F to 120°F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOperating Humidity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0–95% RH, non-condensing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStorage Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e −4°F to 158°F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDiameter with Base:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5.3 inches\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeight with Base:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2 inches\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6.3 ounces\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eColor:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e White\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMounting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ceiling or compatible electrical back box\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCertification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e UL 268 listed\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eUPC:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 783863017612\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCompatible Mounting Options\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e3.5-inch octagonal back box\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4-inch octagonal back box\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSingle-gang back box\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4-inch square back box with plaster ring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirect ceiling mounting with suitable anchors\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation and Compatibility Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe System Sensor 4W-B is intended for connection to a listed, compatible fire alarm control panel that supports conventional four-wire smoke detectors and resettable 12V or 24V detector power. This detector is not a standalone smoke alarm and does not include an internal audible notification appliance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFour-wire detector installations may require listed end-of-line power-supervision equipment. Compatibility, wiring, detector placement and supervision requirements must be verified with the fire alarm control panel documentation and applicable NFPA, electrical-code and Authority Having Jurisdiction requirements.\u003c\/span\u003e\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":54580609712403,"sku":null,"price":73.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/4370\/2035\/files\/Systemsensor4w-Bmain.png?v=1787069028"}],"url":"https:\/\/customsystemsupply.com\/collections\/fire-alarm-systems.oembed","provider":"Custom System Supply","version":"1.0","type":"link"}