Is the COFI Oil transformer TRE 820/S connector D4 available from 3G Electric?

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

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Does 3G Electric provide technical support for ignition transformers?

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

COFI Oil transformer TRE 820/S connector D4 - Ignition Transformers

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COFIIgnition Transformers

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COFI Oil transformer TRE 820/S connector D4

Cofi oil transformer TRE 820/S is an ignition transformer delivering 2x4000 V secondary output from 220 V primary input, with 380 mm cable length. Engineered for industrial ignition and high-voltage discharge…

SKU 3G-CBM-01184

Also listed as: COF 05005 · COF-05005

Brand

COFI

Item

Oil transformer TRE 820/S connector D4

Technical Specifications

COFI

volts

2x4000 

tension v

220

cable length

380 mm 

primary voltage

220 V 

secondary voltage

2x4000 V 

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COFI Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Used in

Common applications for COFI

Gas burner combustion — TRS 515 PC/S, TRS 610 PC/S, TRS 830 P/S ignition transformers for spark generation in small to large capacity gas-fired heaters and boilers.

Oil-fired heating systems — TRE 820/S1 oil-immersed transformer for reliable ignition in heavy fuel oil and light fuel oil burners in industrial plants.

Dual-fuel burner control — TRS 610 PC/S for burners switchable between gas and oil, requiring consistent high-voltage spark across both fuel modes.

Burner retrofit and maintenance — Replacement ignition transformers and mounting kits for aging or damaged combustion control systems in existing boiler houses.

High-voltage spark generation — TRG 1035/S dual-output transformer for complex ignition circuits requiring multiple spark electrodes or redundant ignition paths.

Panel-mounted combustion control — Column 12X38 and Spina cable assemblies for compact transformer installation in enclosed burner management control panels.

COFI Products

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

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