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SIEMENS QRB4B-B070B70B PHOTOCELL LAMP

General Description:
The SIEMENS QRB4B-B070B70B is an infrared flame detector used in oil-fired burners to monitor flame presence. It is compatible with burner control units such as LMO, LOA, and LAL series, and ensures safe burner operation by providing flame status feedback.

Technical Specifications:

  • Model: QRB4B-B070B70B

  • Sensor Type: Infrared (IR) photoresistor

  • Cable Length: 700 mm (B070B70B)

  • Connection: 2-wire connection

  • Compatibility: Siemens LMO, LOA, LAL burner controllers

  • Operating Voltage: Works with 230 V control circuits (passive sensor)

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

  • Mounting: Fixed mounting on burner or via sliding mechanism

  • Housing Material: Heat-resistant plastic casing

Applications:

  • Oil-fired burner systems (diesel, fuel-oil)

  • Industrial heating boilers

  • Commercial burner applications

  • Flame monitoring in burner automation systems

Advantages:

  • High detection sensitivity

  • Full compatibility with Siemens control units

  • Easy and secure installation

  • Heat-resistant and durable design