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NEMA 4X / IP65 rated enclosure
Trip set point can be easily field adjusted by turning a trimmer
this causes the thermostatic element to heat up and a small piston to come out and lower the valve stem
• Electromechanical thermostat with thermal return
SSDD-OE65-RAC Duct Smoke Detector DBZH NEMA 4X / IP65 ratedThe SSDD OE is an optical smoke detector for mounting on all duct types. it reacts on visible and invisible smoke particle sand can therefore detect fire at an early stage. The aluminium Venturi tube is mounted in the duct through a hole , 30mm diam. The tube can be shortened to fit all duct sizes. The sampling tube is included in the price of the SSDD. The detector housing has a window giving a clear view of the flow indicator and the alarm LED.