
Siemens 3G-CBM-05837 — Technical Specifications
The Siemens Relay LGK 16 333A27 is a burner control module designed for medium and large power burners with multiple stages or modulating operation in permanent service. It provides controlled air damper command, air pressure control, and self-monitoring flame signal amplification with compatible flame detectors including QRA53/QRA55 flame probes and ionization probes. The unit is compatible with LAL2 and LFL1 (except LFL1.148) base types, meets ISO 9001 certification, and supports permanent service burners and intermittent service burners capable of continuous operation exceeding 24 h under high heating load per TRD 411 and 412 steam boiler technical rules. 3G Electric sources and delivers complete burner control solutions across Singapore and Southeast Asia.
Technical Specifications
| Parameter | Value |
|---|---|
| Burner Type | Medium and large power burners with multiple stages or modulating in permanent service |
| Certification Iso | ISO 9001 |
| Air Damper Control | Controlled air damper command |
| Control Pin Number | 4 166 8024 0 |
| Air Pressure Control | Yes |
| Compatible Base Types | LAL2, LFL1 (except LFL1.148) |
| Flame Monitoring Type | Self-monitoring flame signal amplifier |
| Application Burner Duty | Permanent service burners, intermittent service burners capable of continuous operation exceeding 24 h under high heating load, steam boiler technical rules domain burners (TRD 411 and 412) |
| Unlock Button Max Force | ≤ 10 N |
| Control Pin Location Lal Base | Between terminals 10/11 of LAL base |
| Control Pin Location Lfl Base | Between terminals 4/5 of LFL base |
| Flame Detector Compatible Lgk16 | QRA53/QRA55 flame probe, ionization probe, or QRA53/QRA55 flame probe and ionization probe together |
| Flame Detector Compatible Lok16 | Selenium photoelectric cell probe RAR |
| Flame Restart Repeat Capability | Yes, via shunt B removal |
| Unlock Button Max Activation Time | ≤ 10 s |
Physical & Shipping Data
| Weight | 0.18 kg |
| Length | 95 mm |
| Width | 65 mm |
| Height | 80 mm |
| Country of Origin | France |
