SIEMENS QRA55.G27 UV.PHOTOCELL LAMP

General Description:
The QRA55.G27 is a high-sensitivity UV flame detector used in industrial burners to monitor flame presence. With its water-cooling and air-purging features, it ensures long service life and high reliability in heavy-duty applications.

Technical Specifications:

• Detection Type: Ultraviolet (UV)

• Spectral Range: 190 – 270 nm

• Power Supply: Via burner control unit

• Cooling: Water-cooled

• Air Purging: Yes (connection available)

• Connection Type: G1/2" threaded

• Protection Class: IP65

• Housing Material: Stainless steel

• Operating Temperature: -20 °C to +250 °C (with cooling & purging)

• Compatibility: Works with Siemens LFL, LGK, LMV burner controllers

Applications:

• High-capacity boilers

• Gas, oil, and dual-fuel burners

• Refineries, power plants, chemical facilities

• Extreme heat and dusty environments

Advantages:

• High-temperature resistance with water cooling

• Air purging prevents lens fouling

• Durable and long-lasting

• Suitable for industrial environments