SIEMENS LOA24.171B27 CONTROLLER
Item Code: 38670236084
Product Overview
The SIEMENS LOA24.171B27 is an automatic oil burner control unit designed for the reliable supervision, startup, and control of single- or two-stage forced draft oil burners in intermittent operation. It acts as a comprehensive burner management control unit, handling ignition timing, startup sequencing, flame monitoring, and automatic shutdown for enhanced safety and efficiency. Ideal for industrial boilers, furnaces, ovens, and process heating systems, this controller supports burners with an oil throughput of up to 30 kg/h and operates on 220-240 V AC. Its durable, impact-proof, heat-resistant, and flame-retarding plastic housing ensures robust performance in demanding industrial environments.
Technical Specifications
| Parameter | Value |
|---|---|
| Make/Brand | Siemens |
| Model | LOA24.171B27 |
| Mains Voltage | AC 220 V –15 % to AC 240 V +10 % (220-240 V AC) |
| Mains Frequency | 50...60 Hz |
| Power Consumption | Approx. 3 VA |
| External Primary Fuse | (Si) 10 A (fast) |
| Weight | Approx. 180 g |
| Degree of Protection | IP40 (must be ensured through mounting) |
| Safety Class | I (burner control with plug-in base) |
| Housing Material | Impact-proof, heat-resistant, flame-retarding plastic |
| Operating Temperature Range | -20 °C … +60 °C |
| Control Type | Automatic Burner Management Controller |
| Fuel Type | Oil burner systems |
| Burner Type Compatibility | 1- or 2-stage forced draft oil burners, oil atomization burners |
| Max. Oil Throughput | 30 kg/h |
| Initial Safety Time (t1) | 13 seconds |
| Safety Time After Prepurge (TSA) | 10 seconds |
| Mounting | Plug-in design (requires separate plug-in base) |
| Safety Features | Undervoltage detection, flame failure detection, automatic flame failure shutdown, lockout reset button |
| Reset Method | Manual |
| Compatible Flame Detectors | Photoresistive (QRB...), Blue-flame (QRC...), IRD1010 |
| Replaces Model | LOA21.171B27 |
| Replaced By | LMO24 series (obsolete in some contexts) |
₹7,500
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