Complete Solution
Need installation, maintenance, or a bundled quote?
Our engineers can help with product selection, system design, installation, and ongoing service — all from one partner.
Quick Inquiry
Worldwide Shipping
Datasheet on Request
1-Day Quote
Sign in to view pricing
Create a free account to submit your RFQ and download technical documents.
Pair with a Service
Solutions Engineering
Need guidance on product selection or system design?
Contact Our Engineering TeamCombutech Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
Combutech Box COMBU1s is a combustion control unit for industrial burner systems, operating at 230 V ±15% with 50/60 Hz frequency. Features adjustable purge time of 1÷250 s, startup safety delay of 2÷25 s, and maximum output load of 3 A @ 230 V. IP40-rated for boiler room and industrial heating applications.
Used in
Common applications for CombutechOil burner safety interlocks — Combutech COMBUP series pressure switches monitor furnace draft or fuel pressure with ±15% tolerance and IP54 sealing
Flame failure detection — UV1 or UV1p detection cells with CF1 relay module monitor combustion in industrial boilers and process heaters, 10,000+ hour lifespan
Gas burner startup sequencing — COMBU1s control unit manages purge timing (1–250 s), ignition delay, and load switching for multi-burner systems at 230 V ±15%
Pressure vessel monitoring — Low-range COMBUP10 switches (2–10 mbar) provide reliable differential-pressure or air-intake supervision in heating and HVAC plant
Industrial process automation — Flame relay CF1 handles up to 10 simultaneous UV sensors for redundant combustion confirmation in pharmaceutical, food, or chemical processing
Retrofit and maintenance replacement — Standardized 1/4" female thread, DIN connectors, and IP54/IP65 ratings allow drop-in substitution in legacy burner control panels without rewiring
Combutech Products
3G Electric supplies Combutech combustion. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
You might also need
More from Combutech
View all Combutech parts →Need a complete solution?
Product selection, system design, installation, and ongoing maintenance — all from one partner.









