3G Electric
Relay LFL 1.133
Siemens

Relay LFL 1.133

On RequestBurner Controls

Price on request — send us an enquiry for current pricing.

Relay LFL 1.133

Minimum order
1 unit
Lead time
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
mailQuick enquiry

Technical specifications

burner typegas, oil, or bi-fuel
operation modeintermittent (shutdown by regulation minimum 1× per 24 h)
series variants01 and 02 (differ by ignition safety time duration)
air damper controlyes
high power variantLFL1.638 for large atmospheric burners
burner control typemulti-stage or modulating
burner power ratingmedium to large
burner configurationsingle or dual tube
lfl1 638 applicationlarge atmospheric burners
controlled air damperyes
probe cable max lengthsee technical characteristics
uv probe configurationup to 2 probes in parallel possible
application suitabilityhot air generators
safety time second phaset9
flame supervision sensor uvQRA type
unlock function max duration10 s
unlock button operating force≤ 10 N
terminal grounding requirementterminal 22 to earth when using QRA type sensors
dual sensor operation restrictiononly one sensor active except during 2nd safety time (t9)
flame supervision sensor ionizationyes
ionization probe contact protectionnot protected against accidental contact
probe signal transmission requirementseparate low-capacitance cable required
installation requirement ignition cableseparate installation, maximum distance from apparatus and other cables

Frequently asked questions

Where can I buy the Siemens Relay LFL 1.133 burner control in the Philippines?+

3G Electric Philippines supplies the Siemens Relay LFL 1.133 for delivery to Manila, Quezon City, and across the Philippines. We handle Bureau of Customs documentation, logistics, and PHP invoicing. Lead time on request via our website or sales team.

What burner types does the Siemens LFL 1.133 support?+

The Siemens Relay LFL 1.133 controls gas, oil, or bi-fuel burners rated medium to large power. It supports single or dual tube configurations with multi-stage or modulating burner control and air damper regulation.

What is the shutdown regulation cycle for the LFL 1.133?+

The LFL 1.133 operates in intermittent mode with shutdown by regulation minimum 1× per 24 h. Series variants 01 and 02 differ in ignition safety time duration, allowing selection based on your burner application.

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