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DonganControl transformer

Dongan 33-050-82, single-phase control transformer, 0.050 kVA

The Dongan 33-050-82 is a single-phase control transformer from the Series 33 Control line. It is rated at 0.050 kVA with primary voltage of 277 V and secondary voltage of 120 V, operating at 50/60 Hz. The unit…

SKU 3G-OTH-03384

Also listed as: 3305082 · 33 050 82

Brand
Dongan
Item
33-050-82, single-phase control transformer, 0.050 kVA
Part Number
33-050-82
Category
Control transformer
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dongan
Series
Series 33 Control
Phase
single-phase
Rating
0.050 kVA
Weight
2.7 lb
Frequency
50/60 Hz
Primary voltage
277 V
Secondary voltage
120 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 33-050-82 is a single-phase control transformer from the Series 33 Control line. It is rated at 0.050 kVA with primary voltage of 277 V and secondary voltage of 120 V, operating at 50/60 Hz. The unit weighs 2.7 lb and measures 3.19 x 3.00 x 2.50 inches.

Frequently Asked Questions

What is the Dongan 33-050-82 control transformer used for?

The Dongan 33-050-82 is a single-phase control transformer used to provide stable, isolated control voltage for industrial equipment such as machine tools, solenoids, magnetic switches, relays, and HVAC controls. It steps down 277 V primary to 120 V secondary at 0.050 kVA, ensuring safe operation of control circuits.

What are the specifications of the Dongan 33-050-82?

The Dongan 33-050-82 is a single-phase control transformer rated at 0.050 kVA, with a primary voltage of 277 V and secondary voltage of 120 V. It operates at 50/60 Hz, weighs 2.7 lb, and measures 3.19 x 3.00 x 2.50 inches. It is part of the Series 33 Control line.

Where to buy the Dongan 33-050-82 in Singapore?

You can source the Dongan 33-050-82 in Singapore through 3G Electric, an industrial equipment distributor established in 1990. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this control transformer.

How to select the right Dongan control transformer for my application?

To select the right Dongan control transformer, match the primary voltage (e.g., 277 V) and secondary voltage (e.g., 120 V) to your control circuit requirements. Ensure the kVA rating (e.g., 0.050 kVA) exceeds the total load of connected devices like relays and solenoids. Verify frequency compatibility (50/60 Hz) and physical dimensions for mounting.

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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