A high-quality ionisation smoke detector.Uses a low activity radioactive foil to detect fires by irradiating the air in the smoke chamber.Certified to EN54-7 by the LPCB.Wide 9-33V DC operating voltage.Red LED illuminates when the detector is in alarm.Requires a 45681-201APO diode base, 45681-200APO non-diode base or 45681-245APO relay base.Technical SpecificationsApprovals/certifications Certified to EN54-7 by the LPCB. Application/operation TBC. Supply wiring 2-wire monitored, polarity sensitive. Supply/operating voltage 9 to 33V DC. Quiescent current 20-45µA @ 24 VDC. Alarm voltage 6-33V DC. Alarm current 61mA @ 28V DC; 52mA @ 24V DC; 18mA @ 10V DC. Alarm reset voltage TBC. Expansion connections Remote LED output. Current sink to negative line limited to 17mA. Product dimensions (mm) 100mm diameter x 50mm deep (detector in base); 100mm diameter x 42mm deep (detector only). Construction & finish White polycarbonate V.O in accordance with UL94. Nickel plated stainless steel terminals. IP Rating IP23D. Weight 102g (detector only); 153g (detector in base). Operating conditions/temperature -20ºC to +80ºC.
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