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DonganControl transformer

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

The Dongan 33-050-K is a single-phase control transformer from the Series 33 Control line. It has a rating of 0.050 kVA, with a primary voltage of 120 V and secondary voltage of 24 V, operating at 50/60 Hz. The unit…

SKU 3G-OTH-03387

Also listed as: 33050 K · 33050-K

Brand
Dongan
Item
33-050-K, single-phase control transformer, 0.050 kVA
Part Number
33050K
Category
Control transformer
Available to Order
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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

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

Technical Documents

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

Product Description

The Dongan 33-050-K is a single-phase control transformer from the Series 33 Control line. It has a rating of 0.050 kVA, with a primary voltage of 120 V and secondary voltage of 24 V, operating at 50/60 Hz. The unit measures 3.19 x 3.00 x 2.50 inches and weighs 2.7 lb.

Frequently Asked Questions

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

The Dongan 33-050-K is a single-phase control transformer designed to step down 120 V primary voltage to 24 V secondary for industrial control circuits. It is commonly used in HVAC systems, motor starters, relays, and programmable logic controllers (PLCs) where reliable low-voltage power is required.

What are the specifications of the Dongan 33-050-K?

The Dongan 33-050-K is a single-phase control transformer from the Series 33 Control line. It has a rating of 0.050 kVA, primary voltage of 120 V, secondary voltage of 24 V, and operates at 50/60 Hz. Dimensions are 3.19 x 3.00 x 2.50 inches, and it weighs 2.7 lb.

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

You can source the Dongan 33-050-K control 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 item.

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

To select a control transformer like the Dongan 33-050-K, match the primary voltage to your supply (120 V) and secondary voltage to your load (24 V). Ensure the VA rating (0.050 kVA) exceeds the total load of connected devices. Verify frequency compatibility (50/60 Hz) and physical fit within your enclosure.

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

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