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SQUARE D Dry Type Power Distribution Transformer: 480V AC, 120V AC/240V AC - Standard Single Phase Transformers
SQUARE DStandard Single Phase Transformers

SQUARE D Dry Type Power Distribution Transformer: 480V AC, 120V AC/240V AC

The SQUARE D Dry Type Power Distribution Transformer is a standard single-phase transformer designed for floor mounting. It steps down a 480V AC input to a 120V AC output and features aluminum windings. This unit is…

SKU 3G-OTH-48253

Brand
SQUARE D
Item
Dry Type Power Distribution Transformer: 480V AC, 120V AC/240V AC
Category
Standard Single Phase Transformers
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Technical Specifications

SQUARE D
Manufacturer Part Number
25S40F
Type
Floor, Aluminum
AC/240V AC
120V
Input Voltage
480V AC
Output Voltage
120V AC
Winding Material
Aluminum
Mounting Location
Floor
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D Dry Type Power Distribution Transformer is a standard single-phase transformer designed for floor mounting. It steps down a 480V AC input to a 120V AC output and features aluminum windings. This unit is identified by manufacturer part number 25S40F.

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 standard single phase transformers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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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.
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