SIEMENS QRB4A-B070B70B PHOTOCELL LAMP

General Description:
The SIEMENS QRB4A-B070B70B is an infrared flame sensor used in oil burner applications to detect the presence of a flame. It provides reliable flame monitoring and is fully compatible with Siemens burner control units such as the LOA, LMO, and LAL series.

Technical Specifications:

• Model: QRB4A-B070B70B

• Sensor Type: Infrared flame sensor (IR)

• Cable Length: 700 mm

• Connection Type: 2-wire system

• Compatible Devices: Siemens LOA / LMO / LAL controllers

• Supply Voltage: Powered by burner control unit (passive sensor)

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

• Mounting Type: Direct to burner or with adapter

• Housing Material: Heat-resistant plastic

• Protection Class: IP40

Applications:

• Small and medium capacity oil burners

• Residential boiler systems

• Commercial heating systems requiring flame monitoring

Advantages:

• Full compatibility with Siemens control systems

• Easy installation and maintenance

• Fast and reliable flame detection

• Durable and compact design