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The LOA... are used for the startup, supervision and control of single- or 2-stage forced draft oil burners in intermittent operation, and with an oil throughput up to 30 kg/h. Yellow-burning flames are supervised with photoresistive detectors QRB..., blueburning flames with blue-flame detectors QRC...

Specifications: 

- Complete reference: LOA24.171B17, LOA24.171B27, LOA24.173A27

- Forced draft oil burners conforming to EN 267 

- Oil atomization burners as monoblocks conforming to EN 230 

- Undervoltage detection 

- Bridging contact for oil preheater