Is the Combutech Box COMBU1s available from 3G Electric?

Yes — 3G Electric supplies genuine Combutech products with in-stock availability on common SKUs and worldwide shipping.

How do I get a quote for the Combutech Box COMBU1s?

Click "Request a Quote" on this page or add the product to your RFQ cart. Our engineers will respond within 24 hours with pricing, lead times, and technical recommendations.

Does 3G Electric provide technical support for combustion?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all combustion we distribute.

CombutechCombustion

Combutech Box COMBU1s

SKU 3G-CBM-01170

Also listed as: COB 02002 · COB-02002

Brand

Combutech

Item

Box COMBU1s

Technical Specifications

Combutech

fuse

5x20mm QUICKBLOW 3.15 A 

voltage

230 V ±15% 

frequency

50/60 Hz 

purge time

1÷250 s 

pre ignition

500 ms 

max output load

3 A @ 230 V cosϕ=0.4 

protection class

IP40 

power consumption

3 VA MAX 

power dissipation

2 W MAX 

relative humidity

45÷85 % 

storage temperature

-20÷80 °C 

detector line length

<1 m 

startup safety delay

2÷25 s 

operating safety delay

1÷12 s 

View Full Spec Sheet

Technical Documents

(1)

Technical Document 1

PDF Document

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Combutech 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 Combutech

Oil 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.

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