Is the COFI Oil transformer TRS 818 C/S4 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 TRS 818 C/S4 - Ignition Transformers

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COFIIgnition Transformers

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COFI Oil transformer TRS 818 C/S4

Cofi TRS 818 C/S4 is an oil transformer designed for ignition systems requiring high-voltage secondary output. It steps up 220 V primary voltage to 2x4000 V secondary, serving industrial ignition and combustion…

SKU 3G-CBM-01188

Also listed as: COF 05012 · COF-05012

Brand

COFI

Item

Oil transformer TRS 818 C/S4

Technical Specifications

COFI

type

oil transformer 

model

TRS 818 C/S4 

volts

2x4000 

tension v

220

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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