220-240 VAC Operation
The LFL1.333 burner control is specified for a 220-240 VAC supply with a mains frequency of 50/60 Hz.
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SIEMENS
SIEMENS LFL1.333 Burner Control 230VAC 50/60Hz t1 31.5s TSA 3s
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$229.76
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | SIEMENS |
| Model Number | LFL1.333 |
| Product Category | Burner Control |
| Product Family | LFL1 |
| Series | 02 |
| Burner Type | Gas, Oil or Dual-Fuel Forced Draft Burners |
| Burner Operation | Multistage or Modulating, Intermittent Operation |
| Supply Voltage | 220-240 VAC |
| Mains Frequency | 50/60 Hz |
| Pre-Purge Time t1 | 31.5 s at 50 Hz |
| Safety Time TSA | 3 s at 50 Hz |
| Flame Supervision | QRA2, QRA4 or QRA10 UV Flame Detector / Ionization Probe |
| Power Consumption | 3.5 VA |
| Internal Fuse | 6.3 A Slow |
| External Fuse | Maximum 10 A Slow |
Key Features
31.5 s Pre-Purge Time
The documented pre-purge time t1 for the LFL1.333 is 31.5 seconds at a mains frequency of 50 Hz.
3 s Safety Time
The documented safety time TSA is 3 seconds at a mains frequency of 50 Hz.
Flame Supervision
Flame supervision can be implemented with specified QRA2, QRA4 or QRA10 UV flame detectors or an ionization probe.
Forced Draft Burner Control
The LFL1 series is designed for control and supervision of gas, oil or dual-fuel forced draft burners of medium to high capacity.
Multistage or Modulating Burners
The burner control is intended for multistage or modulating burners operating intermittently.
Applications
- Gas forced draft burners
- Oil forced draft burners
- Dual-fuel forced draft burners
- Medium to high capacity burners
- Multistage burner control
- Modulating burner control
- Direct spark flame burner systems
- Interrupted pilot burner systems
Purchase Information
We support online purchase of the SIEMENS LFL1.333 Burner Control. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is SIEMENS LFL1.333?
SIEMENS LFL1.333 is a burner control for control and supervision of forced draft burner applications.
What burner types can LFL1.333 be used with?
The LFL1 series is intended for gas, oil or dual-fuel forced draft burners of medium to high capacity.
What supply voltage does LFL1.333 use?
The documented supply voltage for the standard version is 220-240 VAC.
What mains frequency does LFL1.333 support?
The documented mains frequency is 50/60 Hz.
What is the pre-purge time of LFL1.333?
The documented pre-purge time t1 is 31.5 seconds at 50 Hz.
What is the safety time TSA of LFL1.333?
The documented safety time TSA is 3 seconds at 50 Hz.
What flame supervision methods are specified for the LFL1 series?
Flame supervision is specified using QRA2, QRA4 or QRA10 UV flame detectors or an ionization probe.
Can LFL1.333 be used with modulating burners?
Yes. The LFL1 series is intended for universal use with multistage or modulating burners in intermittent operation.
Can LFL1.333 be considered for dual-fuel burners?
Yes. Dual-fuel forced draft burner applications are included in the documented LFL1 use cases.
What is the power consumption of the LFL1 burner control?
The documented power consumption is 3.5 VA.
What is the documented operating temperature range?
The operating temperature range is -20°C to +60°C.
What should be checked before ordering LFL1.333?
Check the complete model designation, supply voltage, mains frequency, burner type, control sequence, timing requirements, flame supervision method and system requirements before ordering.
Need help confirming a model?
Send us your part number and technical requirements.
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