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DonganLighting disconnect

Dongan TMBK-200, single-phase lighting disconnect, 1000 VA

The Dongan 3G-OTH-04394 is a single-phase lighting disconnect from the Series TMBK Transformer Disconnect line. Rated at 1000 VA with 50/60 Hz frequency, it operates with a primary voltage of 480 V and a secondary…

SKU 3G-OTH-04394

Also listed as: TMBK200 · TMBK 200

Brand
Dongan
Item
TMBK-200, single-phase lighting disconnect, 1000 VA
Part Number
TMBK-200
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
Series
Series TMBK Transformer Disconnect
Phase
single-phase
Rating
1000 VA
Weight
30 lb
Frequency
50/60 Hz
Primary voltage
480 V
Secondary voltage
120 V

Technical Documents

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

Product Description

The Dongan 3G-OTH-04394 is a single-phase lighting disconnect from the Series TMBK Transformer Disconnect line. Rated at 1000 VA with 50/60 Hz frequency, it operates with a primary voltage of 480 V and a secondary voltage of 120 V. The unit weighs 30 lb and is designed for industrial electrical distribution applications.

Frequently Asked Questions

What is the Dongan TMBK-200 used for?

The Dongan TMBK-200 is a single-phase lighting disconnect used to provide power and overcurrent protection for control panel lighting and auxiliary power in industrial electrical distribution. It is suitable for applications requiring 1000 VA at 480 V primary and 120 V secondary, 50/60 Hz.

What are the specifications of the Dongan TMBK-200?

The Dongan TMBK-200 is a single-phase transformer disconnect rated at 1000 VA with a primary voltage of 480 V and secondary voltage of 120 V, operating at 50/60 Hz. It weighs 30 lb and is part of the Series TMBK Transformer Disconnect line. Dongan units are UL and CUL Listed.

Where to buy the Dongan TMBK-200 in Singapore?

3G Electric supplies the Dongan TMBK-200 to customers in Singapore. We source and deliver this single-phase lighting disconnect, handling logistics and customs clearance. Contact 3G Electric for pricing and lead time on orders for the 1000 VA, 480 V primary / 120 V secondary unit.

How to install the Dongan TMBK-200?

Install the Dongan TMBK-200 in a suitable NEMA 1 or NEMA 12 enclosure per local codes. Ensure the primary supply is 480 V and secondary load does not exceed 1000 VA. Use finger-safe fuses and terminals as provided. Always disconnect power before servicing. Consult a licensed electrician for compliance.

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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