4 wire Photoelectric Smoke Detector with relay N.C

4 wire Photoelectric Smoke Detector 1.Dual LEDs for 360-degree visibility 2.Stainless steel inner housing for high ANTI-RFI 3.Twoorfourwiremodelsoptional 4.Sleek,low-profilehousingdesign 5.Lowpowerconsumption,highprecisionandstability 6.DurableSensorHead;Excellentsmokeaccess 7.Power-offresetfor2wireconnection 8.Auto-resetorpower-offresetoptionalfor4wireconnection 9.EasyInstallationandmaintenance 10.24Vmodeavailable Specifications: ModelsSD-98-2 wireSD-98-4 wireOperating VoltageDC 10 35VDC12VStandby Current<=100uA<=15mAAlarm Current70mA(at DC 24V)<=15mADetecting Area80 square meter(with the installation height of 6m-12m), and 60 square meter (with the installation height less than 6m)Alarm OutputConventional Output and LED flashRelay output (N.O/N.C) and LED flashInstallation MethodCeiling MountedOperating Temperature-10°C +55°COperating Humidity<=95%RHDimensions104mm(Dia)x51mm(H)