SIEMENS QRA73.A17 UV.PHOTOCELL LAMP

General Description:
The QRA75.A17 is a heavy-duty UV flame detector designed for high-capacity gas and oil burner systems. It utilizes ultraviolet sensing technology to provide reliable and sensitive flame monitoring in industrial environments.

Technical Specifications:

• Detection Technology: Ultraviolet (UV)

• Spectral Sensitivity: 190 – 270 nm

• Power Supply: Supplied via burner control unit

• Cable Length: Typically 1.5 m (optional longer)

• Connection Type: 3-pin plug

• Operating Temperature: -20 °C to +60 °C

• Storage Temperature: -40 °C to +80 °C

• Protection Class: IP40 / optional IP54

• Compatible Controllers: Siemens LFL, LGK, LMV series

• Mounting: Fixed flange mounting or optional bracket

Applications:

• Industrial steam boilers

• Thermal oil systems

• Gas burners

• Hot air generators

Advantages:

• High flame detection sensitivity

• Fast response for safe operation

• Rugged housing for industrial environments

• Easy to service and replace