The Schneider Electric Square D 300T3HEE is a dry-type, three-phase transformer engineered for robust power distribution in demanding industrial and commercial environments. This unit is part of the 300T series, designed to provide reliable voltage conversion for a variety of electrical systems. Its construction ensures safe operation in applications where oil-filled transformers are not suitable.

Technical details

• Transformer Type: Dry-Type, Three-Phase
• Series: 300T
• Power Rating: 300 kVA
• Primary Voltage: 480V Delta
• Secondary Voltage: 208Y/120V
• Enclosure Type: Ventilated
• Frequency: 60 Hz
• Insulation Class: 150°C Rise (typical for this series, verify with datasheet)

Applications & compatibility

This transformer is commonly utilized in facilities requiring significant power step-down, such as manufacturing plants, data centers, and large commercial buildings. It is suitable for powering heavy machinery, HVAC systems, and distribution panels where precise voltage regulation is essential. The 480V primary to 208Y/120V secondary configuration makes it versatile for integrating standard industrial equipment with higher voltage supply lines.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D 300T3HEE or contact our technical team for cross-reference assistance with compatible Square D transformer components.