Is the Sit control box 0537403 available from 3G Electric?

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

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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 burner controls?

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

Sit control box 0537403 - Burner Controls

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SitBurner Controls

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Sit control box 0537403

Name: Sit control box 0537403
Brand: Sit
SKU: 3G-CBM-06066
Availability: BackOrder

SKU 3G-CBM-06066

Brand

Sit

Item

control box 0537403

Technical Specifications

Sit

mounting

integrated on SIT SIGMA multifunctional controls 

spark gap

2–4 mm recommended 

device type

electronic flame safety control device 

alarm output

230 Vac, 1 A, cosϕ=1 

repetition rate

25 Hz 

max cable length

2 m

protection degree

IP 40 

flame detection principle

flame rectification 

high voltage probe connector

male fast-on 2.8 mm X 0.5 mm 

flame detection probe connector

male fast-on 4.8 mm X 0.8 mm 

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Sit Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Sit control box 0537403 is an electronic flame safety control device for burner applications, featuring flame rectification detection and a 230 Vac, 1 A alarm output. Integrated mounting on SIT SIGMA controls with IP 40 protection and 2 m maximum cable length supports reliable ignition and flame monitoring in industrial heating systems.

Used in

Common applications for Sit

Commercial boiler gas-control replacement — Sigma 845 / 848 on hot-water and steam boilers

Catering and commercial kitchen equipment — Eurosit 630 thermostatic valves on fryers, ovens, and steamers

Residential heating appliance service — NOVA 820 / 822 / 824 as OEM-replacement gas-control valves

Standing-pilot gas appliance refurbishment — Eurosit 630 and Minisit thermostatic controls

Industrial gas-fired process equipment — Sigma 848 modulating gas valves for burner integration

Sit Products

3G Electric supplies Sit burner controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all Sit products →Contact our engineers →