Allanson 421-340 Ferromagnetic Ignition Transformer for Armstrong/esso
Allanson’s Double Pole ferromagnetic transformers are designed for constant duty and provide the most reliable ignition source for commercial, residential and industrial oil applications.
SKU 3G-OTH-03291
Also listed as: 421340 · 421 340
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
Need installation or engineering help?
Ask a question
Product Description
Allanson’s Double Pole ferromagnetic transformers are designed for constant duty and provide the most reliable ignition source for commercial, residential and industrial oil applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the Allanson 421-340 ignition transformer used for?
The Allanson 421-340 is a ferromagnetic ignition transformer designed for constant-duty oil burner applications. It provides a reliable ignition source for commercial, residential, and industrial oil systems, specifically for Armstrong/Esso burners. It features a double-pole, mid-point ground design with a 10,000 V secondary output.
What are the specifications of the Allanson 421-340?
The Allanson 421-340 operates at 120 V input, 60 Hz, with a secondary voltage of 10,000 V RMS and a secondary short circuit current of 23 mA. It has a large can size, external junction box, and uses a Rajah connector for the high-voltage terminal. The storage temperature range is -40 to +80 °C.
Where to buy the Allanson 421-340 in Singapore?
You can source the Allanson 421-340 ignition transformer through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this model. We supply genuine Allanson components for oil burner applications.
How to install the Allanson 421-340 ignition transformer?
Ensure the transformer is mounted securely and the external junction box is properly connected to the burner wiring. The mid-point ground must be connected per local electrical codes. Maintain an air gap of 1/8 to 3/16 inches between the electrodes. Always disconnect power before installation and consult the burner manual.
Used in
Common applications for AllansonAllanson 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.
