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Siemens 3G-CBM-05791

Siemens 3G-CBM-05791 — Technical Specifications

The Siemens Cell QRB3(1) is a burner control unit featuring a photoresistor flame sensor for monitoring yellow oil flames via probe current measurement. It offers flexible mounting with or without soft plastic sleeve and bracket, two-wire thermoplastic cable connectivity, and response sensitivity options (normal or elevated). The unit is compatible with LAL..., LOA..., and LMO... safety controls, requires separate cable routing away from ignition lines, and should be cleaned with cloth only. 3G Electric sources and delivers this control system throughout Singapore and Southeast Asia, with full DDP logistics support.

Technical Specifications

ParameterValue
Cable Typetwo-wire thermoplastic
Sensor Typephotoresistor (flame sensor)
Qrb1a Mountingfixed with bracket, guidance groove and cam for vibration protection
Qrb1b Mountingsoft plastic sleeve with sealing lips and retention lips, guidance spring
Mounting Optionswith/without soft plastic sleeve, with/without bracket/collar
Measurement Methodprobe current measurement
Flame Type Monitoredyellow oil flames
Maintenance Cleaningclean cloth only, no burner aerosol sprays
Iso 9001 Certification2000 (Cert. 00739)
Iso 14001 Certification1996 (Cert. 38233)
Cable Routing Requirementseparate from other cables, especially ignition cable
Compatible Safety ControlsLAL..., LOA..., LMO...
Signal Quality Requirementminimum interference and signal loss
Qrb1 Bracket Hole Spacing 121 mm
Qrb1 Bracket Hole Spacing 236 mm
Response Sensitivity Optionsnormal or elevated
Electromagnetic Compatibility Directive89/336/CEE

Physical & Shipping Data

Weight0.15 kg
Length80 mm
Width60 mm
Height50 mm
Country of OriginFrance

Downloads

Datasheet (PDF)