ET401A Honeywell Spark Ignition Transformer

1.General Description

The ET401A Honeywell Ignition Transformer is a high-performance device. People also know it as ignition transformer ET401A, ET401A1 Honeywell, or ET401A1 ignition transformer. This transformer serves high-voltage spark ignition in gas burners. Engineers design it for industrial and commercial heating systems.

This electronic ignition transformer creates sparks over 14 kV. It uses a small, solid-state design. This design helps start flames quickly and reliably. Its 12V/10W AC/AC power transformer input allows reliable operation, while the durable, corrosion-resistant casing and 3-core power input cable simplify installation.

The ET401A provides strong ignition even with fast combustion airflow and low electromagnetic emissions. This makes it meet the EN55014-2 standard. Designed for intermittent operation, it provides consistent performance across working days with minimal energy consumption and inrush current.

2.Specification of ignition transformer et401a 14 kv

l Model: ET401A / ET401A1 Honeywell

l Type: Ignition Transformer / ET Serial Ignition Transformer

l Output Voltage: >14 kV high-frequency intermittent voltage

l Power Supply: 230 VAC, 50/60 Hz

l Power Input Cable: 3-core cable (Brown – Live, Blue – Neutral, Yellow/Green – Ground)

l High-Voltage Output: 1 terminal, Ø1 mm

l Ignition Type: Suitable for gas burners (Honeywell ET401A Ignition Transformer)

l Operation Mode: Intermittent, max work cycle 3 minutes, ignition time <1 minute (ED = 33%)

l Electromagnetic Compatibility: Low EM emission, compliant with EN55014-2

l Mounting: Can be fixed in any position inside the burner control box using mounting holes

l Housing: Durable, corrosion-resistant casing

l Applications: Gas burners in industrial and commercial heating systems

l Safety: Requires proper grounding and adherence to installation specifications

3.Application of et401a1 fabricante honeywell

Engineers designed the ET401A Honeywell Ignition Transformer for reliable ignition of gas burners in boilers, furnaces, and process heaters. It produces high-energy sparks even under high-speed combustion airflows, ensuring rapid and consistent flame initiation. Its small design lets you install it inside burner control boxes. This makes it good for many gas burner sizes.

Low electromagnetic emissions comply with EN55014-2, protecting nearby electronic equipment. This Honeywell ET401A Spark Ignition Transformer supports intermittent operation across working days, providing reliable ignition while minimizing energy consumption and inrush current.

4.Installation and Use Instructions

When installing the Honeywell ET401A Ignition Transformer or other ET Series Ignition Transformers, follow the usage specifications carefully. Keep the high-voltage cable as short as possible, avoid excessive bending, and prevent routing through high-temperature areas.

Connect the power cord (~0.5 m) via terminals: Brown – Live, Blue – Neutral, Yellow/Green – Ground.

Ensure the electrode gap meets specifications. Voltages below 85% of rated value or high ambient temperatures may cause malfunctions. Keep high-voltage cables away from devices that can cause interference, like TVs or radios. Also, avoid crossing other power lines.

High-Voltage Cable Locking Connector: This self-locking connector keeps the high-voltage cable secure. Just insert it fully and lock the latch.

5.Caution

l Disconnect power before installation.

l Ensure proper grounding.

l Do not touch high-voltage terminals during operation.

l Continuous operation because of control failure may cause overheating.

l Accidental Electric Shock Protection: Ensure users cannot touch uninsulated components without tools. You must insulate ignition circuits from ungrounded metal parts and non-protected components.

6.Related Part Number

l ET401 — Standard version with single high-voltage output for gas burners

l ET402 — Two high-voltage outputs, suitable for gas or oil burners

l ET401B — Updated insulation and durability

l ET401C — Compatible model for high-power gas burners

l ET Series — General family of Honeywell ignition transformers compatible with ET401A

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