UV diode QRA 2 M Siemens (L+G) Intercal 88.70020-0400

UV diode QRA 2 M from Siemens (L+G) is a modified version of the ultraviolet flame detector for burners and boilers. The letter M in the designation may indicate design features such as an extended cable or a different connector type. The QRA 2 M sensor responds to UV radiation from the flame, providing reliable combustion monitoring. Used in safety automation systems of boiler equipment where high accuracy and speed are required. The original Siemens spare part guarantees compatibility and long service life.