Relay LFL 1.622 110V

On RequestBurner Controls

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

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

Technical specifications

product model	LFL 1.622
operation mode	Intermittent (shutdown by regulation min 1x per 24h)
supply voltage	110 V
application type	Burner Controls
air damper control	Controlled air damper command
burner power rating	Medium to large power
fuel types supported	Gas, oil, or dual-fuel
burner control capability	Single or dual tube burners
flame detection method uv	QRA... UV probe
probe cable maximum length	Specified in technical characteristics section
high voltage ignition cable	Must be installed separately, maximum distance from device and other cables
ionization probe protection	Not protected against accidental contact
uv probe parallel connection	Up to 2x QRA... UV probes can be connected in parallel
ignition safety time variants	Series 01 and 02 differ by safety time duration
dual probe simultaneous operation	Only one probe active except during 2nd safety time (t9)
flame detection method ionization	Ionization probe
unlock operation maximum duration	10 s
unlock button manual force maximum	≤ 10 N
safety verification stray light response	Safety shutdown within max 40 s
safety verification obscured flame sensor response	Safety shutdown at end of TSA

Frequently asked questions

Where can I buy the Siemens LFL 1.622 relay in your region?+

Order directly from 3G Electric. We source the Siemens LFL 1.622 110V relay and arrange delivery to your location. 3G Electric handles all customs import customs and USD invoicing. Lead time on request.

What is the lead time and shipping to your region?+

Lead time for the Siemens LFL 1.622 depends on availability from our supply chain. 3G Electric manages all logistics and customs clearance to your region. Contact us for a current delivery estimate and quote.

What burner types work with the Siemens LFL 1.622 relay?+

The LFL 1.622 controls single or dual-tube gas, oil, or dual-fuel burners rated medium to large power. It operates intermittent mode with shutdown regulation (minimum once per 24 hours) and detects flame via QRA UV probe or ionization electrode.