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.