We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
SQUARE D EX300T212H Three Phase Step-Up Transformer - Three Phase Step-Up Transformers
SQUARE DThree Phase Step-Up Transformers

SQUARE D EX300T212H Three Phase Step-Up Transformer

The SQUARE D Dry Type Power Distribution Transformer (MPN EX300T212H) is a three-phase step-up transformer with a 208V AC input and a 277V AC output. It features aluminum windings and is designed for floor mounting…

SKU 3G-OTH-46703

Brand
SQUARE D
Item
EX300T212H Three Phase Step-Up Transformer
Part Number
EX300T212H
Category
Three Phase Step-Up Transformers
Available to Order
Also known as:EX300T212HSQUARE D
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

SQUARE D
Manufacturer Part Number
EX300T212H
Type
1, Floor, Aluminum
Input Voltage
208V AC
AC/480V AC Wye
277V
Output Voltage
277V AC
Voltage Function
Step Up
Winding Material
Aluminum
Mounting Location
Floor

Technical Documents

No technical documents available for this product.
Request documentation →
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

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

Product Description

The SQUARE D Dry Type Power Distribution Transformer (MPN EX300T212H) is a three-phase step-up transformer with a 208V AC input and a 277V AC output. It features aluminum windings and is designed for floor mounting. This unit is part of the SQUARE D brand's industrial power distribution equipment.

Frequently Asked Questions

What is the SQUARE D EX300T212H transformer used for?

The SQUARE D EX300T212H is a three-phase step-up transformer used to raise 208V AC input to 277V AC output for industrial power distribution. It is commonly applied in commercial buildings, manufacturing plants, and facilities requiring voltage conversion for lighting or equipment. The floor-mounted unit features aluminum windings for reliable performance.

What are the specifications of the SQUARE D EX300T212H transformer?

The SQUARE D EX300T212H is a dry-type power distribution transformer with a 208V AC input and 277V AC output. It is a three-phase step-up unit with aluminum windings and floor mounting. The manufacturer part number is EX300T212H. It is designed for industrial environments requiring voltage conversion.

Where to buy the SQUARE D EX300T212H transformer worldwide?

You can source the SQUARE D EX300T212H transformer through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric provides reliable sourcing for SQUARE D power distribution equipment.

How to install the SQUARE D EX300T212H transformer?

Install the SQUARE D EX300T212H transformer on a level floor surface with adequate ventilation. Ensure the input supply matches the 208V AC rating and the output load is compatible with 277V AC. Follow all local electrical codes and use proper overcurrent protection. Consult a qualified electrician for safe installation.

Used in

Common applications for SQUARE D
Commercial electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
Not sure this is the right part? Photo-identify it→

SQUARE D Products

3G Electric supplies SQUARE D three phase step-up transformers. 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 →

Compatible alternatives & equivalents

More from SQUARE D

View all SQUARE D parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first