SIEMENS QRA53.E17 110V UV.PHOTOCELL LAMP

General Description:
The QRA53.E17 is a high-sensitivity UV flame detector used in medium and high-capacity gas or oil burner systems. Designed for 110V applications, it is compatible with Siemens control units such as the LMV, LFL, and LGK series.

Technical Specifications:

• Detection Technology: UV (Ultraviolet)

• Spectral Sensitivity: 190 – 270 nm

• Supply Voltage: 110V (via control unit)

• Signal Output: Photocathode current

• Cable Length: 3 m (standard) – extendable

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

• Protection Class: IP40 / IP54 (depending on variant)

• Mounting: Flange or bracket type

• Compatible Controllers: Siemens LGK16, LFL1, LMV5x, LME7x

Applications:

• Industrial burner systems

• Steam boilers

• Thermal oil heaters

• Flame monitoring in safety-critical systems

Advantages:

• High sensitivity flame detection

• Suitable for 110V systems

• Robust and long-lasting construction

• Easy to install and maintain

• Full compatibility with Siemens control systems