SIEMENS QRB4A-B050B70A PHOTOCELL LAMP

General Description:
The SIEMENS QRB4A-B050B70A is an infrared flame detector designed for use in oil-fired burner systems. It monitors the presence of a flame to ensure safe burner operation and is fully compatible with Siemens LOA, LMO, and LAL series burner control units.

Technical Specifications:

• Model: QRB4A-B050B70A

• Sensor Type: Infrared (IR) flame sensor

• Cable Length: 500 mm

• Connection: 2-wire

• Compatible Units: Siemens LOA, LMO, LAL control systems

• Power Supply: Passive (powered by burner controller)

• Operating Temperature: -20 °C to +80 °C

• Mounting: Directly on burner or with adapter

• Housing Material: Heat-resistant plastic

• Protection Class: IP40 (with proper installation)

Applications:

• Oil burner systems in residential and commercial use

• Boiler systems requiring flame monitoring

• Flame detection in automatic burner control systems

Advantages:

• Full compatibility with Siemens burner controllers

• Durable and compact design

• Fast flame detection for safe operation

• Easy installation and replacement