Cofi Ignition transformer TRE820PISO3
SKU TRE820PISO3
Brand Cofi
Photos
Key specifications
| Supply voltage | 230 V |
|---|---|
| Secondary voltage | 8 kV |
| Poles / outlets | 1 |
| Construction type | winding |
| Cable insulation type | silicone |
| Operating phase | ignition phase only |
| Input voltage range | 100–400 V |
| Operating temperature | -20–60 °C |
| Catalogue article numbers | 309.820.095, TRE820PISO3 |
| Ingress protection | IP20 |
| Ignition cable connector | self-threading |
| Recommended spark distance | 2.5–3.5 mm |
| Standard power cable length | 180 mm |
| Ignition cable insulation | silicone |
| Output type | Grounded pole |
| Secondary insulation | Insulated |
| Maximum length of ignition cable with integrated electronic ignition | 5 m |
| Fuel | gas and oil |
| Operating principle | step-up transformer |
| Primary current | 2–1 A |
| Mounting feature | any |
| Flame detection methods supported | ignition and detection |
| Single electrode operation | yes |
| Cycle type | intermittent |
| Secondary current | 20 mA |
| Net weight | 1.3 kg |
| Power consumption | 220 W |
| Frequency | 50–60 Hz |
| Ambient temperature, max | 60 °C |
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Description
The Cofi TRE820PISO3 is a winding-type ignition transformer for gas and oil burners. It steps up a 230 V, 50–60 Hz supply to a secondary voltage of 8 kV at 20 mA, with a power consumption of 220 W. The transformer has a grounded-pole single output and operates intermittently, energised only during the ignition phase. It supports both ignition and flame detection, so a single electrode can perform both functions. The silicone-insulated ignition cable may be up to 5 m long; the transformer is rated IP20 and operates in ambient temperatures from -20 to 60 °C.
Further details
| Application | oil and gas burners, hot water high pressure cleaners, anti-mosquito equipment |
|---|---|
| Duty Cycle | 19% over 3 min at Ta ≤ 35°C |
Choosing and fitting
Ignition transformers of this kind are selected by secondary voltage and current, primary voltage, duty cycle, mounting and terminal type, and the ignition cable connector pattern. The mounting position is typically arbitrary, but the unit must be suited to the available space and electrical ratings. The ignition cable must be silicone-insulated for high voltage and heat resistance; it should be inspected and replaced if hardened or cracked.
Manufacturer documentation
All specifications
| Supply voltage | 230 V |
|---|---|
| Secondary voltage | 8 kV |
| Poles / outlets | 1 |
| Construction type | winding |
| Cable insulation type | silicone |
| Operating phase | ignition phase only |
| Input voltage range | 100–400 V |
| Operating temperature | -20–60 °C |
| Catalogue article numbers | 309.820.095, TRE820PISO3 |
| Ingress protection | IP20 |
| Ignition cable connector | self-threading |
| Recommended spark distance | 2.5–3.5 mm |
| Standard power cable length | 180 mm |
| Ignition cable insulation | silicone |
| Output type | Grounded pole |
| Secondary insulation | Insulated |
| Maximum length of ignition cable with integrated electronic ignition | 5 m |
| Fuel | gas and oil |
| Operating principle | step-up transformer |
| Primary current | 2–1 A |
| Mounting feature | any |
| Flame detection methods supported | ignition and detection |
| Single electrode operation | yes |
| Cycle type | intermittent |
| Secondary current | 20 mA |
| Net weight | 1.3 kg |
| Power consumption | 220 W |
| Frequency | 50–60 Hz |
| Ambient temperature, max | 60 °C |
Part numbers
| SKU | TRE820PISO3 |
|---|---|
| Additional article | 309.820.095 |
