SIEMENS QRA4M.U UV PHOTOCELL

The Siemens QRA4M.U is a high-sensitivity UV flame detector designed to monitor ultraviolet radiation emitted by flames in gas and oil burner systems. Engineered for continuous operation, it ensures reliable flame supervision in advanced burner management systems. It provides stable performance under harsh industrial conditions and reacts quickly to flame failure, enabling safe shutdown of the system. It is commonly used in large-scale boilers, power plants, and continuous industrial processes.