Siemens 40/40R-222SF

DescriptionThe Siemens Single IR Flame Detector (Series 40 / 40R) has been designed to detect hydrocarbon-based fuel and gas fires, via advanced flame analysis tools. Series 40 / 40R provides early warning of flaming fires working at 4.5 ?m for maximum sensitivity, and immunity to false alarms from IR sources, such as sunlight and IR projectors. Series 40 / 40R flame detectors have considerable durability and weather-related resistance. Specifically, Model 40/40R-222SF is comprised of the following: 4-20mA (SOURCE) wiring; a Normally Closed (N.C) FAULT relay, and either a N.C or Normally Open (N.O) ALARM relay. Model 40/40R-222SF has a maximum operating temperature of 185?F (85?C). It is stainless-steel by design, and has a 3/4? National Pipe Thread (NPT) Taper. This product is Factory Mutual Approved, as well as SIL2 (TUV) Approved to IEC 61508.