Relay LFL 1.133

Name: Relay LFL 1.133
Brand: Siemens
SKU: cbm-rel15110-relay-lfl-1-133-rel-relays-and-cells-1

On RequestBurner Controls

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

Relay LFL 1.133

Minimum order: 1 unit
Lead time: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.

Technical specifications

burner type	gas, oil, or bi-fuel
operation mode	intermittent (shutdown by regulation minimum 1× per 24 h)
series variants	01 and 02 (differ by ignition safety time duration)
air damper control	yes
high power variant	LFL1.638 for large atmospheric burners
burner control type	multi-stage or modulating
burner power rating	medium to large
burner configuration	single or dual tube
lfl1 638 application	large atmospheric burners
controlled air damper	yes
probe cable max length	see technical characteristics
uv probe configuration	up to 2 probes in parallel possible
application suitability	hot air generators
safety time second phase	t9
flame supervision sensor uv	QRA type
unlock function max duration	10 s
unlock button operating force	≤ 10 N
terminal grounding requirement	terminal 22 to earth when using QRA type sensors
dual sensor operation restriction	only one sensor active except during 2nd safety time (t9)
flame supervision sensor ionization	yes
ionization probe contact protection	not protected against accidental contact
probe signal transmission requirement	separate low-capacitance cable required
installation requirement ignition cable	separate installation, maximum distance from apparatus and other cables

Frequently asked questions

Where can I buy the Siemens Relay LFL 1.133 in your region?+

3G Electric supplies the Siemens Relay LFL 1.133 burner control with delivery to your location. We handle all customs clearance and logistics to your facility. Contact us for pricing and lead time.

What is the lead time for the Siemens Relay LFL 1.133?+

Lead time on request and depends on current availability. 3G Electric coordinates with our supplier network and manages customs import documentation. Delivery timeline confirmed upon order placement.

Can the Siemens Relay LFL 1.133 control bi-fuel burners?+

Yes. The LFL 1.133 supports gas, oil, or bi-fuel burners rated medium to large capacity. It provides multi-stage or modulating control with air damper adjustment, suitable for single or dual tube configurations.