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3G Electric
COFI Oil transformer TRS 812 C/S1 - Ignition Transformers
COFIIgnition Transformers

COFI Oil transformer TRS 812 C/S1

The Cofi TRS 812 C/S1 is an oil transformer for ignition applications, delivering 2x4000 V secondary voltage from 220 V primary input with a 380 mm cable length. It serves industrial combustion and heating systems…

SKU 3G-CBM-01182

Brand
COFI
Item
Oil transformer TRS 812 C/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
type
Oil transformer
model
TRS 812 C/S1
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

The Cofi TRS 812 C/S1 is an oil transformer for ignition applications, delivering 2x4000 V secondary voltage from 220 V primary input with a 380 mm cable length. It serves industrial combustion and heating systems requiring high-voltage ignition control.

Frequently Asked Questions

What is the COFI TRS 812 C/S1 oil transformer used for?

The COFI TRS 812 C/S1 oil transformer is used for ignition in industrial combustion and heating systems, including gas and oil burners, high-pressure cleaners, and ionizers. It delivers a 2x4000 V secondary voltage from a 220 V primary input, ensuring reliable high-voltage ignition control even in demanding conditions.

What are the specifications of the COFI TRS 812 C/S1?

The COFI TRS 812 C/S1 is an oil transformer with a primary voltage of 220 V, secondary voltage of 2x4000 V, power rating of 138 VA, secondary current of 12 mA, and a cable length of 380 mm. It weighs 1.9 kg and is CE certified, with VDE and SEV homologation for continuous duty.

Where to buy the COFI TRS 812 C/S1 in Singapore?

You can source the COFI TRS 812 C/S1 oil transformer through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this model, as we supply a wide range of industrial ignition transformers.

How to install the COFI TRS 812 C/S1 oil transformer?

Install the COFI TRS 812 C/S1 by connecting the 220 V primary input to your power supply and the 2x4000 V secondary output to the ignition electrode. Ensure proper grounding (centre à la masse) as per the datasheet. Use the standard 380 mm cable with Cofi or compatible connectors for secure, reliable operation.

Used in

Common applications for COFI
Industrial gas boilers — Cofi TRS 830 P/S ignition transformer for spark generation in natural gas burners
Fuel oil burner systems — Cofi TRG 1035/S transformer providing dual 5000V outputs for oil atomization ignition
High-energy ignition in process furnaces — Cofi TRK2-35 oil-filled transformer delivering 12000V for heavy fuel ignition
Combustion control panels — Cofi T17M transformer with polyester resin isolation for electrode gaps of 3-5mm
Dual-fuel burner applications — Cofi TRS 818 C/S4 oil transformer with 2x4000V output for gas/oil switching
Field replacement and maintenance — Cofi Spina cable A L400mm straight and angled high-voltage cables for transformer retrofits
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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Dongan
Dongan
Dongan 50-0500-052, single-phase control transformer, 500 VA
Dongan
Dongan
Dongan HC-0500-4100, single-phase control transformer, 500 VA
Dongan
Dongan
Dongan HC-0500-4400, single-phase control transformer, 500 VA

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