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Allanson 444-340 Ferromagnetic Service Replacement Transformer for Armstrong/esso - Ignition Transformers
AllansonIgnition Transformers

Allanson 444-340 Ferromagnetic Service Replacement Transformer for Armstrong/esso

The Allanson 444-340 is a ferromagnetic service replacement ignition transformer for oil burner applications. It operates on 240V input at 60Hz, delivering a secondary voltage of 10,000 volts at 23mA. This Large Can…

SKU 3G-OTH-03209

Also listed as: 444340 · 444 340

Brand
Allanson
Item
444-340 Ferromagnetic Service Replacement Transformer for Armstrong/esso
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

Allanson
Current
23mA
Can Size
Large Can Series
Grounding
Mid Point Ground
Application
OIL
Burner Type
ARMSTRONG/ESSO
Hv Terminal
Rajah Connector
Junction Box
EXTERNAL
Input Voltage
240V
Input Frequency
60Hz
Secondary Voltage
10000 Volt
Burner Manufacturer
ARMSTRONG/ESSO

Datasheet Content

[{"filename":"FerromagneticDP_SpecSheet_21-4141121.pdf","text":"FERROMAGNETIC TRANSFORMERS\n 2721 / 2744 / 2730 / 2714 / 421 / 444 / 911 / 912\n SPECIFICATION GUIDE\n\n\n DOUBLE POLE, MID POINT GROUND MODELS\n\n Allanson’s ferromagnetic transformers are designed for constant duty and provide the most reliable ignition\n source for commercial and/or industrial oil applications.\n\n\n Absolute Maximum Ratings\n Model # 2721, 421* 2744, 444* 911* 2730, 912* 2714\n Rated Operating Input Voltage (V) 120 240 240 120 120\n Operating Input Voltage Range (V) 108-132 216-252 216-252 108-132 108-132\n Input Supply Frequency (Hz) 60 60 50 50 60\n Primary Voltage - Amperes (VA) 250 250 250 250 275\n Secondary Voltage (RMS) 10,000 10,000 10,000 10,000 12,000\n Secondary Short Circuit Current (mA) 23 23 23 23 20\n Storage Temperature (°C) -40 to +80 -40 to +80 -40 to +80 -40 to +80 -40 to +80\n Operating Temperature (°C) -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40\n Operating Relative Humidity (%) 90 90 90 90 90\n Loading Air Gap (inches) 1/8 - 3/16 1/8 - 3/16 1/8 - 3/16 1/8 - 3/16 1/8 - 3/16\n\n * Service replacement transformers are available in select models.\n\n\n\n\n83 Commerce Valley Drive E., Markham, ON L3T 7T3 99 Adams Blvd., Farmingdale, New York 11735 #21-414\n T: 1.800.661.7251 ● F: 1.416.752.6718 T: 1.631.293.3880 ● F: 1.631.293.3470 1121\n\n\n For more information, please visit us at allanson.com or e-mail us at cservice@allanson.com"}]

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

Product Description

The Allanson 444-340 is a ferromagnetic service replacement ignition transformer for oil burner applications. It operates on 240V input at 60Hz, delivering a secondary voltage of 10,000 volts at 23mA. This Large Can Series transformer features mid-point grounding, a Rajah connector on the HV terminal, and an external junction box. It is specifically designed for Armstrong/Esso burners.

Frequently Asked Questions

What is the Allanson 444-340 transformer used for?

The Allanson 444-340 is a ferromagnetic service replacement ignition transformer designed for constant duty in commercial or industrial oil burners, specifically Armstrong/Esso models. It provides a reliable 10,000 Volt secondary ignition source for oil-fired heating equipment.

What are the specifications of the Allanson 444-340?

The Allanson 444-340 operates at 240V input, 60 Hz, with a secondary voltage of 10,000 Volt RMS and 23 mA secondary short circuit current. It features a mid-point ground, external junction box, Rajah connector HV terminal, and a large can series size. Storage temperature range is -40 to +80 °C.

Where to buy the Allanson 444-340 in Singapore?

3G Electric supplies the Allanson 444-340 ferromagnetic service replacement transformer to customers in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this ignition transformer for Armstrong/Esso oil burners.

How to install the Allanson 444-340 transformer?

Ensure the transformer is mounted securely with the correct loading air gap of 1/8 to 3/16 inches. Connect the 240V input to the external junction box and the Rajah connector to the burner's HV terminal. Always follow the burner manufacturer's instructions and disconnect power before installation.

Used in

Common applications for Allanson
Oil burner retrofit maintenance — Allanson CAT 1092 TYPE F transformer replacement in existing Beckett control circuits
Industrial heating-system commissioning — Control transformer installation in multi-stage flame-safeguard burner startup sequences
Plant emergency maintenance — Same-day T92 transformer procurement to restore failed ignition control voltage supply
Burner control-cabinet assembly — Allanson transformer integration in custom control-circuit designs for process-heating applications
Field technician spare-parts kit — Stocking CAT 1092 and T92 variants for mobile maintenance coverage of regional burner installations

Allanson Products

3G Electric supplies Allanson 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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