Siemens Combustion QRA4.U Flame Detector 328140-751 Designed to manage 75 FLA

Designed to manage 75 FLA (Full Load Amps) with a 94 amp non-inductive rating

Built with a heavy-duty bronze body (ASTM B584) and a silicone seat

Always verify the 120V coil voltage and ensure the 1/4" NPT port size matches

Constructed for long-term reliability in high-cycle commercial heating environments

The Aegis SGR-2

Siemens Combustion QRA4.U Flame Detector 328140-751 Designed to manage 75 FLAThe Siemens Combustion QRA4. U Flame Detector is a industrial grade UV flame detection sensor designed for the continuous supervision of gas and oil flames. Specifically engineered for intermittent operation, this detector is a standard for technicians working with high demand industrial burners and commercial boiler systems. It features a high sensitivity UV cell capable of detecting radiation in the 190 to 270 nm spectral range, ensuring it remains