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2424TH Datasheet(PDF) 2 Page - Systemsensor advanced ideas. |
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2424TH Datasheet(HTML) 2 Page - Systemsensor advanced ideas. |
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2 / 4 page  Page 2 A05-194-03 General Description System Sensor 400 Series photoelectronic detectors are specifically designed to meet the stringent performance requirements of industrial and commercial fire detection/ alarm systems. The design of these detectors emphasizes ease of installation and field maintenance. The 400 Series offer 6 different photoelectronic detectors with a variety of voltages, wiring configurations, and thermal options. Electrical Specifications Control Operating Auxiliary Remote LED Current Consumption Model Product Panel Voltage Contacts Option Standby (max.) Alarm (max.) 2400 Photo Detector 2-wire 12/24 VDC No Yes 120 µA* 2400TH Photo Detector w/Fixed Heat Sensor 2-wire 12/24VDC No Yes 120 µA* 2412B Photo Detector 4-wire 12 VDC Yes No 120 µA 77mA 2412THB Photo Detector w/Fixed Heat Sensor 4-wire 12 VDC Yes No 120 µA 77mA 2424 Photo Detector 4-wire 24 VDC Yes No 120 µA 41mA 2424TH Photo Detector w/Fixed Heat Sensor 4-wire 24 VDC Yes No 120 µA 41mA * Must be limited by control panel Relay Contact Ratings: Resistive or inductive (60% power factor) load Alarm Contacts Form A: 2.0A @ 30 VAC/DC Form C: 2.0A @ 30 VAC/DC 0.6A @ 110 VDC, 1.0A @ 125 VAC Reset Time: .3 sec. (max.) Startup Time: 34 sec. (max.) Engineering Specifications Smoke Detector shall be a photoelectronic type (model 2400, 2412, 2424) or a combination photoelectronic/ thermal (model 2400TH, 2412TH, 2424TH) with thermal sensor rated at 135 °F as manufactured by System Sensor. Wiring connections shall be made by means of SEMS screws. The detector will have a visible LED which will blink in standby and latch on in alarm. The detector shall have a nominal sensitivity of 3% per foot as measured in the UL smoke box. The detector screen and cover should be easily removable for cleaning. It shall be possible to perform a sensitivity and functional test without the need of generating smoke. Detector circuitry shall perform a self test on the sensing chamber and internal electronics every 40 seconds. If circuitry fails, the detector LED shall stop blinking. The detector shall have a mounting bracket that allows for mounting to a 31/2 ″ or 4″ octagon box or 4″ square electrical box. |
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