Honeywell R4348B1057 flame switch

The Honeywell R4348B1057 pressure switch designed for continuous combustion monitoring, detecting the presence or absence of a flame. It is widely used in large-scale commercial and industrial systems equipped with high-power burners. Featuring a built-in 3-pole flame control relay and a 3-pole load protection relay, Honeywell R4348B1057 differential pressure switch functions as both a flame detector and a safe ignition system. Its advanced design ensures high reliability and stable operation in demanding environments. Honeywell R4348B1057 differential pressure switch technical data: Storage temperature: -40° - +80°C Operating temperature: -20° - +60°C Response time: 1 s Maximum allowable humidity: 90% relative humidity at 40°C (non-condensing) Weight: 1.5 kg Flame indication: The green LED on the front side lights up when there is a flame. A digital output provides a remote indication of the presence of a flame. Mounting: on a wall or DIN rail. It can also be installed on the panel when using special accessories.