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• • • • • • • • • SIEMENS LFE1 Flame Detector Module

                  Product Overview

                  SIEMENS LFE1 is a Flame Detector / Burner Control Module designed for monitoring flame presence in oil and gas burner systems. It is part of the Siemens combustion control equipment family and is used to ensure safe burner operation by detecting whether a flame has been established and maintained.

                  The LFE1 series works with flame detection sensors such as ionization electrodes and QRA flame detectors to provide flame supervision and safety shutdown functions in industrial combustion systems.

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                  Specifications

                  • Brand: SIEMENS
                  • Model: LFE1
                  • Product Type: Flame Detector Module / Burner Control Unit
                  • Application: Oil & Gas Burner Flame Monitoring
                  • Detection Method:
                    • Ionization flame detection
                    • UV flame detector (QRA series)
                  • Supply Voltage:
                    • 220…240 V AC
                    • 100…110 V AC (depending on version)
                  • Frequency: 50/60 Hz
                  • Power Consumption:
                    • Starting: Approx. 9 VA
                    • Operating: Approx. 6 VA
                  • Protection Rating: IP40 (when installed)
                  • Operating Temperature: -20…+60 °C
                  • Mounting: Control cabinet / panel mounting
                  • Safety Standard: EN 298 burner control requirements
                  • Weight: Approx. 2 kg

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                  Advantages & Features

                  • Reliable flame monitoring for combustion safety systems
                  • Detects flame failure and initiates safety shutdown
                  • Compatible with Siemens flame sensors
                  • Suitable for industrial burner applications
                  • Provides stable burner sequence control
                  • Designed for continuous industrial operation
                  • High reliability in heating and combustion equipment

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                  Applications

                  • Industrial boilers
                  • Gas burners
                  • Oil-fired heating systems
                  • Furnace combustion systems
                  • Thermal processing equipment
                  • Industrial heating systems
                  • Burner management systems
                  • Boiler control cabinets

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                  Precautions

                  • Confirm the exact LFE1 version before replacement
                  • Verify supply voltage (100/110 V AC or 220/240 V AC)
                  • Ensure compatibility with the flame sensor type
                  • Check burner control wiring before installation
                  • Disconnect power before maintenance
                  • Flame detection systems must be tested after replacement
                  • Do not bypass safety flame monitoring functions 

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