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COFI Oil transformer TRE 820/S1 - Ignition Transformers
COFIIgnition Transformers

COFI Oil transformer TRE 820/S1

The Cofi TRE 820/S1 is an oil-immersed ignition transformer designed for industrial combustion systems. It delivers 2×4000 V output from a 220 V supply, providing reliable high-voltage generation for ignition…

SKU 3G-CBM-01183

Also listed as: COF 05004 · COF-05004

Brand
COFI
Item
Oil transformer TRE 820/S1
Category
Ignition Transformers
UNSPSC
39121003 — Instrument transformers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

COFI
volts
2x4000
tension v
220
output voltage v
2x4000
supply voltage v
220

Datasheet Content

Câble noyé standard Fiche Cofi Fiche Triangulaire Fiche Fleur L= 380 mm Code SPRAS Code VIRAS Code SP Fiche offleurante 0 4 Vis-taraud Fiche 0 4 (profondeur 11 mm) affleurante (profondeur 25 mm) (profondeur 13 mm) :e transformateur est le plus petit de la gomme. Il par­ il est produit dans les versions avec tension d'alimentation ient à atteindre les mêmes caractéristiques d'allumages entre 100 et 400 V suivant les standards internationaux le certains transformateurs de dimensions moyennes ainsi que sur demande du client. Les principaux modèles 1ais à des coûts nettement plus réduits. Ce résultat est le continus et intermittents sont homologués suivant les nor­ ruit d'une recherche poussée sur les matériaux qui a per- mes VDE et SEV et peuvent être fournis avec les accessoi­ 1is une réduction des dimensions et une utilisation plus res pour la compatibilité électromagnétique EMC pour ontenue de matières premières. Comme toute la gamme laquelle ils sont testés dans notre laboratoire. centre à la ma!i!ie Tension Intensité Tension Puissance Tension au Intensité au Servic:e Poids type d'alimentation primaire Sec:ondaire Homologation VA Sec:ondaire kV Sec:ondaire mA EO% min. Kg. [V 50 Hz] A (50 Hz] de C:rête kV TRE820 230 1 230 2x4 20 11 AB 19% 3min 1,3 CE s o"r. ·ableau aux voleurs standard. Sur demande du clienl, nous pouvons réaliser des tensions d'alimentation spéciales aussi bien à 50 Hz qu'à 60 Hz. me!iure!i technique§ r· .. J7. @-, @ �1_ 0 i j i r;;; [ . oUû-QJ(0 i �, _r--- 9 ::.��' :r· -: :·.•. -·.:.•··---. . _____�- _ ·····-··· - ' plan vue de face vue de côté perspective

Technical Documents

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COFI Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Cofi TRE 820/S1 is an oil-immersed ignition transformer designed for industrial combustion systems. It delivers 2×4000 V output from a 220 V supply, providing reliable high-voltage generation for ignition applications in boilers and burner systems.

Frequently Asked Questions

What is the Cofi TRE 820/S1 oil transformer used for?

The Cofi TRE 820/S1 is an oil-immersed ignition transformer used in industrial combustion systems. It generates a high-voltage output of 2×4000 V from a 220 V supply to reliably ignite burners in boilers and other burner systems.

What are the specifications of the Cofi TRE 820/S1?

The Cofi TRE 820/S1 operates on a 220 V supply at 50 Hz, delivering a secondary output of 2×4000 V with a secondary current of 20 mA. It has a power rating of 230 VA, weighs 1.3 kg, and is certified with CE marking.

Where to buy the Cofi TRE 820/S1 in Singapore?

You can source the Cofi TRE 820/S1 through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this Cofi ignition transformer.

How to install the Cofi TRE 820/S1 ignition transformer?

Mount the Cofi TRE 820/S1 securely in a dry location near the burner. Connect the 220 V supply to the primary terminals and the 2×4000 V output to the ignition electrode. Ensure all connections are insulated and follow local electrical codes.

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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Dongan IC-0500-107, single-phase control transformer, 500 VA
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