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DonganUniversal ignition transformer

Dongan LJH-90A, single-phase universal ignition transformer, 120 V primary

LJH-90 Multiformer universal ignition transformer covering a wide range of burner ignition replacement needs.

SKU 3G-OTH-04289

Brand
Dongan
Item
LJH-90A, single-phase universal ignition transformer, 120 V primary
Part Number
LJH90A
Category
Universal ignition transformer
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

Dongan
Manufacturer Part Number
LJH90A
Series
LJH-90 Multiformer
Phase
single-phase
Primary voltage
120 V

Technical Documents

(1)
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Dongan Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

LJH-90 Multiformer universal ignition transformer covering a wide range of burner ignition replacement needs.

Frequently Asked Questions

What is the Dongan LJH-90A ignition transformer used for?

The Dongan LJH-90A is a universal ignition transformer designed for oil and gas burner ignition applications. It serves as a replacement for a wide range of burner systems, providing a reliable spark for fuel ignition in residential and commercial heating equipment.

What are the specifications of the Dongan LJH-90A?

The Dongan LJH-90A is a single-phase universal ignition transformer from the LJH-90 Multiformer series. It has a primary voltage of 120 V and is designed for burner ignition replacement. Dongan brings over 100 years of transformer design experience to this model.

Where to buy the Dongan LJH-90A in Singapore?

You can source the Dongan LJH-90A ignition 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 universal replacement transformer.

How to install the Dongan LJH-90A ignition transformer?

To install the Dongan LJH-90A, first disconnect power and verify the primary voltage matches your 120 V supply. Mount the transformer securely, connect the primary leads to the power source, and attach the secondary high-voltage leads to the burner electrodes. Follow standard safety practices for ignition equipment.

Used in

Common applications for Dongan
Machine tools — Dongan HC-1500-44 control transformer provides isolated 120 V control power for relays, solenoids, and contactors.
HVAC systems — Dongan 50-0500-059 control transformer supplies stable voltage for building automation controllers and damper actuators.
Variable speed drive systems — Dongan 63-2711SH drive isolation transformer protects SCR-controlled drives from line transients and voltage spikes.
Industrial power distribution — Dongan 41-1680SH general purpose transformer steps 480 V down to 120/240 V for lighting and receptacle panels.
Water treatment plants — Dongan 73-150-2698SH three-phase transformer provides efficient voltage conversion for pump stations and blowers.
Burner management systems — Dongan ignition transformers deliver high-voltage spark for reliable ignition of oil and gas burners in boilers and furnaces.
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Dongan Products

3G Electric supplies Dongan universal ignition transformer. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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