Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
Image not available
DonganControl transformer

Dongan 33-050-HLK, single-phase control transformer, 0.050 kVA

The Dongan 33-050-HLK is a single-phase Series 33 Control transformer rated at 0.050 kVA. It accepts a dual primary voltage of 240 x 480 V and delivers a secondary voltage of 24 V, operating at 50/60 Hz. Measuring…

SKU 3G-OTH-03386

Also listed as: 33050 HLK · 33050-HLK

Brand
Dongan
Item
33-050-HLK, single-phase control transformer, 0.050 kVA
Part Number
33050HLK
Category
Control transformer
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

Dongan
Manufacturer Part Number
33050HLK
Series
Series 33 Control
Phase
single-phase
Rating
0.050 kVA
Weight
2.7 lb
Frequency
50/60 Hz
Primary voltage
240 x 480 V
Secondary voltage
24 V
Dimensions HxWxD (in)
3.19 x 3.00 x 2.50

Technical Documents

(1)
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dongan 33-050-HLK is a single-phase Series 33 Control transformer rated at 0.050 kVA. It accepts a dual primary voltage of 240 x 480 V and delivers a secondary voltage of 24 V, operating at 50/60 Hz. Measuring 3.19 x 3.00 x 2.50 inches and weighing 2.7 lb, this unit is designed for industrial control applications.

Frequently Asked Questions

What is the Dongan 33-050-HLK control transformer used for?

The Dongan 33-050-HLK is a single-phase control transformer used to provide stable, isolated control voltage for machine tools, solenoids, magnetic switches, relays, and HVAC controls in industrial environments.

What are the specifications of the Dongan 33-050-HLK transformer?

The Dongan 33-050-HLK is a 0.050 kVA single-phase control transformer with a primary voltage of 240 x 480 V and a secondary voltage of 24 V. It operates at 50/60 Hz, weighs 2.7 lb, and measures 3.19 x 3.00 x 2.50 inches.

Where to buy the Dongan 33-050-HLK in Singapore?

3G Electric supplies the Dongan 33-050-HLK control transformer to Singapore. We handle sourcing, logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Dongan transformer.

How to select the right control transformer for a 24 V control circuit?

To select a control transformer for a 24 V circuit, match the primary voltage to your supply (e.g., 240 x 480 V) and ensure the VA rating covers the total load of all connected devices. The Dongan 33-050-HLK provides 0.050 kVA for small control loads.

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.
Not sure this is the right part? Photo-identify it→

Dongan Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from Dongan

View all Dongan parts →
Dongan
Dongan
Dongan 50-0050-056, single-phase control transformer, 50 VA
Dongan
Dongan
Dongan HC-1500-44, single-phase control transformer, 1500 VA
Dongan
Dongan
Dongan 50-0500-059, single-phase control transformer, 500 VA
Dongan
Dongan
Dongan HC-1500-41, single-phase control transformer, 1500 VA
Dongan
Dongan
Dongan 50-0500-053, single-phase control transformer, 500 VA
Dongan
Dongan
Dongan HC-1500-4100, single-phase control transformer, 1500 VA
Dongan
Dongan
Dongan BR-734-4, single-phase control transformer, 375 VA
Dongan
Dongan
Dongan 50-2000-058, single-phase control transformer, 2000 VA

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first