Satronic Burner Controls SG | Buyer's Guide [2026]
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Satronic burner controls are the safety-critical components that supervise flame presence and sequence the start-up of oil and gas burners in industrial heating systems. For Singapore's marine, precision manufacturing, and process industries, selecting the correct Satronic relay or UV detector is essential for safe, compliant, and uninterrupted burner operation.
What is a Satronic burner control?
A Satronic burner control is an automatic safety device that manages the burner's start-up sequence, monitors the flame during operation, and initiates a safe shutdown if the flame fails. These controls are used in forced-draught oil and gas burners up to 30 kg/h in intermittent operation, with single or two-stage firing.
Satronic relays work with three main flame-detection technologies: photoresistance (MZ 770 S), infrared flicker detection (IRD 1010), and ultraviolet detection (UVD 970). The choice of detector depends on the fuel type, burner design, and the control box model.
How does a Satronic relay work?
When the burner receives a heat demand, the Satronic relay energises the motor and ignition transformer, opens the fuel valve, and monitors for flame establishment within a pre-set safety time — typically 10 seconds. If no flame is detected, the relay locks out and must be manually reset.
During operation, the relay continuously checks the flame signal. A loss of flame triggers an immediate fuel shut-off, preventing dangerous fuel accumulation in the combustion chamber.
Satronic product comparison table
| Model | Type | Application | Flame Detection | Supply Voltage | Safety Time |
|---|---|---|---|---|---|
| Satronic TF 830.3 Relay | Oil burner relay | Forced-draught burners up to 30 kg/h, 1 or 2 stage | MZ 770 S, IRD 1010, UVD 970 | 230 VAC | 10 s |
| Satronic TF 834.3 Relay | Oil burner relay | Burners with or without oil pre-heater, 1 or 2 stage | MZ 770 S, IRD 1010, UVD 970 | 230 VAC | 10 s |
| Satronic DKO 972-N Relay | Oil burner relay | Forced-draught burners up to 30 kg/h, intermittent | MZ 770 S, IRD 1010, UVD 970 | 230 VAC | — |
| Satronic DKW 972 Relay | Oil burner relay | Warm-air generators, burners above 30 kg/h, repeat operation | MZ 770 S, IRD 1010, UVD 970 | 220/240 VAC | — |
| Satronic LME 41 054C2 | Safety control box | Gas or gas/oil burners, 1 or 2 stage, small to medium power | UV or ionization | 120 VAC or 230 VAC | — |
| Satronic QRA 55 E 27 UV Cell | UV flame detector | Gas and oil burner flame monitoring | Ultraviolet | — | — |
| Satronic High Sensitivity UV Bulb | UV bulb (replacement) | For QRA series UV detectors | Ultraviolet | — | — |
| Satronic EC11 External Probe | Temperature probe | Electronic control units for HVAC/heating | NTC sensor | — | — |
For most Singaporean installations running 230 V / 50 Hz single-phase supply, the TF 830.3 or TF 834.3 relays are the standard choice for oil burners up to 30 kg/h. Step up to the DKW 972 for burners exceeding 30 kg/h or where post-purge ventilation is required after flame failure.
Which Satronic control suits your application?
Oil burners up to 30 kg/h
The Satronic TF 830.3 Relay is the entry-level choice for standard forced-draught oil burners. It supports 1 or 2-stage operation and is compatible with all three flame-detection technologies.
Burners with oil pre-heaters
If your system includes a fuel oil pre-heater, the Satronic TF 834.3 Relay provides the additional timing and control functions required for safe operation with pre-heated fuel.
High-capacity or warm-air generators
For burners above 30 kg/h or warm-air generator applications, the Satronic DKW 972 Relay offers repeat-operation mode and post-ventilation after flame failure — critical for larger combustion chambers.
Gas or dual-fuel burners
The Satronic LME 41 054C2 safety control box is designed for gas or gas/oil burners from small to medium power, with or without an integrated fan.
How to select the right Satronic control
- Identify your fuel type: Oil burners use TF, DKO, or DKW series relays; gas or dual-fuel systems require the LME series control box.
- Check your burner capacity: Relays are rated for burners up to 30 kg/h; the DKW 972 handles larger capacities with repeat-operation mode.
- Match the flame detector: Verify whether your system uses a photoresistor (MZ 770 S), infrared detector (IRD 1010), or UV cell (UVD 970 / QRA series) — the relay must be compatible.
- Confirm supply voltage: Singapore industrial supply is 230 V / 50 Hz single-phase or 400 V three-phase. Most Satronic relays are 230 VAC, but the LME 41 054C2 also offers a 120 VAC variant.
- Consider the environment: Singapore's humid tropical climate demands components with adequate IP ratings and corrosion resistance. UV detectors and probes should be specified with appropriate cable lengths (e.g., 125 mm) for your burner layout.
Why source Satronic controls from 3G Electric?
3G Electric stocks over 116 products in the combustion and controls category, with specialist depth in burner management systems. Our team provides technical support to help you match the correct Satronic relay, UV cell, or probe to your existing burner — reducing downtime and compliance risk.
With 35+ years of experience supplying Singapore's marine, offshore, F&B, and pharmaceutical sectors, we understand the local compliance landscape, including EMA licensing requirements and WSH safety standards. We offer fast local delivery from Singapore stock.
According to the Satronic TF 830.3 / 832.3 datasheet: "Coffrets de contrôle automatique pour brûleurs au fioul — Pour brûleurs à air pulsé jusqu'à 30kg/h en utilisation intermittente, 1 ou 2 allures." (Automatic control boxes for oil burners — for forced-draught burners up to 30 kg/h in intermittent operation, 1 or 2 stages.)
Frequently asked questions
Where can I buy Satronic burner controls in Singapore?
3G Electric supplies genuine Satronic relays, UV cells, and probes from Singapore stock with fast local delivery. Contact our technical sales team for pricing, availability, and application support.
What is the difference between TF 830.3 and TF 834.3 relays?
The TF 834.3 is designed for burners with or without a fuel oil pre-heater, while the TF 830.3 is for standard forced-draught burners. Both support 1 or 2-stage operation up to 30 kg/h and use the same flame detectors.
Can I replace a Satronic relay with a different model?
Only if the replacement has the same safety time, flame-detector compatibility, and supply voltage. For example, the DKO 972-N can replace a TF 830.3 in many applications, but always verify the wiring diagram and detector type first.
How do I know if my UV flame detector needs replacement?
If the burner locks out frequently or the flame signal is weak during commissioning, the UV bulb may be exhausted. The Satronic High Sensitivity UV Bulb (125 mm cable) is a direct replacement for QRA series detectors.
What is the lead time for Satronic parts in Singapore?
Common relays and UV cells are stocked locally by 3G Electric and can be delivered within 1-2 working days across Singapore. Special-order items typically arrive within 2-3 weeks.
Key takeaways
- Satronic relays are safety-critical components — always match the flame-detector type and supply voltage to your existing system.
- For oil burners up to 30 kg/h, the TF 830.3 or TF 834.3 are the standard choices; step up to DKW 972 for larger or repeat-operation systems.
- Gas and dual-fuel burners require the LME series control box, not the oil-only TF/DKO/DKW relays.
- Singapore's humid climate and 230 V / 50 Hz supply should drive your component selection and enclosure ratings.
- 3G Electric offers genuine Satronic parts with local stock, technical support, and fast delivery across Singapore.
Contact 3G Electric today for a quote, sizing assistance, or technical support on your Satronic burner control requirements. Our combustion specialists are ready to help you select the right relay, UV cell, or probe for your application.
