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DonganLighting disconnect

Dongan TDFM12-250, single-phase lighting disconnect, 3000 VA, 50/60 Hz

Transformer lighting disconnect for control panel lighting and auxiliary power, combining a transformer, fusing and a padlockable disconnect switch in one UL/CUL listed, CE marked enclosure.

SKU 3G-OTH-04368

Also listed as: TDFM 12250 · TDFM-12250

Brand
Dongan
Item
TDFM12-250, single-phase lighting disconnect, 3000 VA, 50/60 Hz
Part Number
TDFM12250
Category
Lighting disconnect
Available to Order
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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
TDFM12250
Series
Series TDFM12 Transformer Disconnect
Phase
single-phase
Rating
3000 VA
Weight
75 lb
Frequency
50/60 Hz

Technical Documents

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

Product Description

Transformer lighting disconnect for control panel lighting and auxiliary power, combining a transformer, fusing and a padlockable disconnect switch in one UL/CUL listed, CE marked enclosure.

Frequently Asked Questions

What is the Dongan TDFM12-250 used for?

The Dongan TDFM12-250 is a single-phase lighting disconnect used to provide control panel lighting and auxiliary power. It combines a transformer, fusing, and a padlockable disconnect switch in a single UL/CUL listed, CE marked enclosure for industrial applications.

What are the specifications of the Dongan TDFM12-250?

The Dongan TDFM12-250 is a single-phase lighting disconnect rated at 3000 VA, 50/60 Hz, and weighs 75 lb. It is part of the Series TDFM12 Transformer Disconnect line and features a slimline NEMA 12 enclosure with finger-safe fuses and terminals.

Where to buy the Dongan TDFM12-250 in Singapore?

You can source the Dongan TDFM12-250 through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this UL/CUL listed, CE marked lighting disconnect.

How to install the Dongan TDFM12-250?

Install the Dongan TDFM12-250 by mounting the enclosure securely and connecting primary and secondary wiring per the nameplate. Ensure the padlockable disconnect is in the off position before servicing. Follow local electrical codes and the manufacturer's instructions for safe operation.

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

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