Siemens Relay LGB 21 550A27
Siemens LGB 21 550A27 is a burner control safety relay for gas or gas/oil burners up to 350 kW, supporting 1 or 2 stage operation with ionization probe or blue flame sensor flame detection. Ideal for industrial…
SKU 3G-CBM-05830
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
Siemens LGB 21 550A27 is a burner control safety relay for gas or gas/oil burners up to 350 kW, supporting 1 or 2 stage operation with ionization probe or blue flame sensor flame detection. Ideal for industrial heating and combustion safety applications.
Frequently Asked Questions
Where can I buy the Siemens LGB 21 550A27 burner control relay in your region?
3G Electric stocks and sources the Siemens LGB 21 550A27 for delivery to your location, your location, and CALABARZON. We handle customs documentation, logistics, and USD invoicing. Contact us for availability and lead time.
What is the lead time for ordering the Siemens LGB 21 550A27?
Lead time depends on current stock and origin availability. 3G Electric sources globally and manages all your region import logistics and customs clearance. Request a quote for exact delivery schedule to your facility.
Can the Siemens LGB 21 550A27 work with both gas and oil burners?
Yes. The LGB 21 550A27 is rated for gas or gas/oil burners up to 350 kW, supporting 1 or 2 stage operation with ionization probe or blue flame sensor (QRC1) flame detection for safe intermittent operation.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens burner controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
