2 Wire 4 Wire Smoke Detector Sensor for Home Security System

All of the Sentek's SD119-G series detectors meet the requirements of UL 268 and EN 54-7/5 for use in fire alarm signaling systems. They are intended for use in 2-wire/4-wire Class A or B supervised zone circuits. The SD119 series detectors are subject to panel compatibility limits and compliance with corresponding NFPA 72E standards, local codes, and ordinances.  We also have 12v,24v models with UL certificateSD119-2:   https://cnsentek.en.made-in-china.com/product/yqsxKvAUEZRp/China-Conventional-Photoelectric-Electric-Smoke-Alarm-with-UL-Certification.htmlSD119-4:   https://cnsentek.en.made-in-china.com/product/FSnxvkqbLlUZ/China-4-Wire-Conventional-Fire-Smoke-Heat-Alarm-with-Relay-Output.htmlSpecification:Smoke Sensitivity:0.08~0.30db/m(EN standard) or 0.98~4%/FT Obsuration(UL standard)Ceiling Spacing:50 foot rating for heat sensorReset Voltage:less than 5 voltReset Time:less than 1 secondAlarm Indicator:LED continuously emitting red lightRemote Output:3.0~3.7VDC when in series a LED & 100 Ω resistorOperatingTemperature:-20°C to 80°CStorage Temperature:-30°C to 80°CHumidity:0 to 95% RH, no condensation or icingAlarm Contact:(for 4-wire)NO or NC Operation, Form A: 1.0A@30VDC/0.5A@125VACDimensions:100mm (dia) x 46mm (ht) with baseWeight:130g/set with base 2 Wire 4 Wire Smoke Detector Sensor for Home Security System Product Features: *2 or 4 wire models *Wide voltage range and stable output *Advanced detection and discrimination algorithms  *Easy installation and maintenance *Sleek low-profile housing design *Durable sensor head, no need for replacement  *SMD circuit board design: satisfactory quality and reliability guaranteed *N/C and N/O relay output   *Auto reset function for security systems (4 wire optional ) Sensor base option:standard and Schottky Diode *Five-year warranty Order Information:SD119-G-2:                  2 wire photoelectric smoke alarmSD119-G-2-LED:          2 wire photoelectric smoke alarm with remote LED outputSD119-G-2H:                2 wire photoelectric smoke and heat alarmSD119-G-2H-LED:        2 wire photoelectric smoke and heat alarm with remote LED outputSD119-G-4:                  4 wire photoelectric smoke alarmSD119-G-4B:                4 wire photoelectric smoke alarm with BuzzerSD119-G-4AR:              4 wire photoelectric smoke alarm with auto-reset functionSD119-G-4ARB:           4 wire photoelectric smoke alarm with auto-reset function and BuzzerSD119-G-4H:                4 wire photoelectric smoke and heat alarm SD119-G-4HB:             4 wire photoelectric smoke and heat alarm with BuzzerSD119-G-4HAR:           4 wire photoelectric smoke and heat alarm with auto-reset functionModel2/4WireThermalVoltage DC(Min./MAX.)Standby Current(Max.)Alarm Current(12/24V)Surge Current(Max.)Start-Up Time(Max.)Supervision Time(Max.)Alarm ContactCertifiedSD119-G-22 10~36V65µA30~40mA150µA20S3Sec.-P/N852001 SD119-G-2L2 10~36V65µA30~40mA150µA20S3Sec.-P/N852001 SD119-G-2H257°C10~36V65µA30~40mA150µA20S3Sec.-P/N852001 SD119-G-2HL257°C10~36V65µA30~40mA150µA20S3Sec.-P/N852001 SD119-G-44 10~60V65µA25mA150μA20S3Sec.Form AP/N852001 SD119-G-4H457°C10~60V65µA25mA150μA20S3Sec.Form AP/N852001 SD119-G-4AR4 10~60V65µA25mA150μA20S3Sec.Form A/Auto ResetP/N852001 SD119-G-4HAR457°C 10~60V56µA245mA150μA20S3Sec.Form A/Auto ResetP/N852001 SD119-G-4B4 10~60V65µA30mA150μA20S3Sec.Form AP/N852001 SD119-G-4BAR4 10~60V65µA30mA150μA20S3Sec.Form A/Auto ResetP/N852001 SD119-G-4HB457°C10~60V65µA30mA150A20S3Sec.Form A P/N852001 SD119-G-4HARB457°C20~60V65μA30mA150μA20S3Sec.Form A/Auto ResetP/N852001 Related ProductsCompany Information/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1