QRB1A-A068B70B
Siemens Photoresistive flame detector QRB1A-A068B70B

Siemens
Siemens Photoresistive flame detector QRB1A-A068B70B
['Home', 'Siemens', 'QRB1A-A068B70B Flame Detector'] Need Siemens QRB1A-A068B70B? Photoresistive flame detector for Siemens LAL /…
Specifications
| Brand | Siemens |
|---|---|
| Model Number | QRB1A-A068B70B |
| Official Product Name | Siemens QRB1A-A068B70B Photoresistive Flame Detector |
| Applicable System | Siemens LAL / LME / LMO / LMV / LOA burner control systems (oil-fired) |
| Product Type | Photoresistive flame detector |
| Equivalent Standard | Contact us for cross-reference and alternative models |
| Product Status | Active |
| Sensitivity | Normal |
| Housing length | 50 mm |
| Cable length | 68 cm with 70 mm stripped leads |
| Operating temperature | -20 to +60 deg C |
| Protection class | IP40 |
| Weight | approx 0.25 kg (packaged) |
| Sensing type | Photoresistive (visible light) |
Product Description
It works with Siemens burner controls (LAL, LME, LMO, LMV, LOA) and features a soft plastic plug for easy mounting and a durable thermoplastic cable. The Siemens QRB1A-A068B70B is a compact photoresistive flame detector designed for the supervision of yellow-burning oil flames in intermittent burner operation.
Basic Product Information
- Normal sensitivity with black housing for easy identification.
- Soft plastic plug and 68 cm thermoplastic cable for simple mounting.
- Compatible with Siemens LAL, LME, LMO, LMV and LOA controls.
- Photoresistive sensing tuned to the visible light of yellow oil flames.
Technical Specifications
Version & Model Difference
- [{'item': 'QRB1A variants', 'value': 'Different suffixes set housing length and cable/ferrule options; A068B70B is 50 mm housing with 68 cm cable.'}]
Application Scenarios
- Flame supervision of yellow-burning oil flames in burners and boilers.
- Intermittent oil-fired commercial and industrial heating.
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Frequently Asked Questions
Is QRB1A-A068B70B a Siemens or Satronic part?
It is a Siemens photoresistive flame detector; the QRB1 family is Siemens Landis and Staefa.
What flames does it detect?
It supervises yellow-burning oil flames using a photoresistive cell in the visible spectrum.
What cable and housing does it have?
It has a 50 mm black housing and a 68 cm cable with 70 mm stripped leads and a soft plug.
Which controls is it compatible with?
It works with Siemens LAL, LME, LMO, LMV and LOA burner controls.
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