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

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
SQUARE D Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye - Three Phase Step-Up Transformers
SQUARE DThree Phase Step-Up Transformers

SQUARE D Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye

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
Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye
Category
Three Phase Step-Up Transformers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

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
View Full Spec Sheet

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.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

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 →

Similar products

Matched by specification & description
SQUARE D Dry Type Power Distribution Transformer: 480V AC, 120V AC/240V AC, Floor, Aluminum (MPN 25S40F). Key specifications — Brand: SQUARE D; Output Voltage: 120V AC; Winding Material: Aluminum; Input Voltage: 480V AC; Mounting Location: Floor.
SQUARE D
SQUARE D Dry Type Power Distribution Transformer: 480V AC, 120V AC/240V AC, Floor, Aluminum (MPN 25S40F). Key specifications — Brand: SQUARE D; Output Voltage: 120V AC; Winding Material: Aluminum; Input Voltage: 480V AC; Mounting Location: Floor.
ACME ELECTRIC Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 3R, Floor (MPN T3793671S). Key specifications — Mounting Location: Floor; Input Voltage: 208V AC; Output Voltage: 480V AC Wye; Voltage Function: Step Up; Winding Material: Aluminum; Brand: ACME ELECTRIC.
ACME ELECTRIC
ACME ELECTRIC Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 3R, Floor (MPN T3793671S). Key specifications — Mounting Location: Floor; Input Voltage: 208V AC; Output Voltage: 480V AC Wye; Voltage Function: Step Up; Winding Material: Aluminum; Brand: ACME ELECTRIC.
ACME ELECTRIC Dry Type Power Distribution Transformer: 480V AC, 277V AC/480V AC Wye, 3R, Floor (MPN T335000153S). Key specifications — Mounting Location: Floor; Input Voltage: 480V AC; Output Voltage: 480V AC Wye; Voltage Function: Step Down; Winding Material: Aluminum; Brand: ACME ELECTRIC.
ACME ELECTRIC
ACME ELECTRIC Dry Type Power Distribution Transformer: 480V AC, 277V AC/480V AC Wye, 3R, Floor (MPN T335000153S). Key specifications — Mounting Location: Floor; Input Voltage: 480V AC; Output Voltage: 480V AC Wye; Voltage Function: Step Down; Winding Material: Aluminum; Brand: ACME ELECTRIC.
SQUARE D Control Transformer: 240V AC/480V AC, 120V AC, Foot, 150 VA, Primary and Secondary Fuse (MPN 9070GO3D1). Key specifications — Brand: SQUARE D; Input Voltage: 480V AC; Mounting Location: Foot; Output Voltage: 120V AC; Phase: Single; Includes: Factory Installed Primary and Secondary Fuse.
SQUARE D
SQUARE D Control Transformer: 240V AC/480V AC, 120V AC, Foot, 150 VA, Primary and Secondary Fuse (MPN 9070GO3D1). Key specifications — Brand: SQUARE D; Input Voltage: 480V AC; Mounting Location: Foot; Output Voltage: 120V AC; Phase: Single; Includes: Factory Installed Primary and Secondary Fuse.
ACME ELECTRIC Dry Type Power Distribution Transformer: 480V AC, 120V AC/208V AC Wye, 3R, Wall (MPN T2A533081S). Key specifications — Mounting Location: Wall; Input Voltage: 480V AC; Output Voltage: 208V AC Wye; Voltage Function: Step Down; Winding Material: Copper; Brand: ACME ELECTRIC.
ACME ELECTRIC
ACME ELECTRIC Dry Type Power Distribution Transformer: 480V AC, 120V AC/208V AC Wye, 3R, Wall (MPN T2A533081S). Key specifications — Mounting Location: Wall; Input Voltage: 480V AC; Output Voltage: 208V AC Wye; Voltage Function: Step Down; Winding Material: Copper; Brand: ACME ELECTRIC.
SCHNEIDER Dry Type Power Distribution Transformer: 240V AC/480V AC, 120V AC/240V AC, Floor/Wall (MPN EE15S3H). Key specifications — Brand: SCHNEIDER; Output Voltage: 240V AC; Winding Material: Aluminum; Input Voltage: 480V AC; Mounting Location: Wall.
SCHNEIDER
SCHNEIDER Dry Type Power Distribution Transformer: 240V AC/480V AC, 120V AC/240V AC, Floor/Wall (MPN EE15S3H). Key specifications — Brand: SCHNEIDER; Output Voltage: 240V AC; Winding Material: Aluminum; Input Voltage: 480V AC; Mounting Location: Wall.

More from SQUARE D

View all SQUARE D parts →
SQUARE D Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 1, Floor, Aluminum (MPN EX500T212H). Key specifications — Mounting Location: Floor; Input Voltage: 208V AC; Output Voltage: 480V AC Wye; Voltage Function: Step Up; Winding Material: Aluminum; Brand: SQUARE D.
SQUARE D
SQUARE D Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 1, Floor, Aluminum (MPN EX500T212H). Key specifications — Mounting Location: Floor; Input Voltage: 208V AC; Output Voltage: 480V AC Wye; Voltage Function: Step Up; Winding Material: Aluminum; Brand: SQUARE D.
SQUARE D Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 1, Floor, Aluminum (MPN EX225T212H). Key specifications — Mounting Location: Floor; Input Voltage: 208V AC; Output Voltage: 480V AC Wye; Voltage Function: Step Up; Winding Material: Aluminum; Brand: SQUARE D.
SQUARE D
SQUARE D Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 1, Floor, Aluminum (MPN EX225T212H). Key specifications — Mounting Location: Floor; Input Voltage: 208V AC; Output Voltage: 480V AC Wye; Voltage Function: Step Up; Winding Material: Aluminum; Brand: SQUARE D.