The Schneider Electric Square D 550T145HDIT is a three-phase, dry-type drive isolation transformer engineered for demanding industrial environments. This unit is rated for 550 kVA and features a primary winding configured as 460V delta, with a secondary winding providing 460Y/265V. Its robust construction and specific voltage configuration make it suitable for applications requiring reliable power isolation and conditioning for motor drives.

Technical details

• Transformer Type: Dry-Type Drive Isolation Transformer
• Power Rating: 550 kVA
• Phase: Three-Phase
• Primary Voltage: 460V Delta
• Secondary Voltage: 460Y/265V
• Enclosure Type: Suitable for indoor industrial environments; consult datasheet for specific NEMA rating.
• Cooling Method: Natural convection (AN)
• Frequency: 60 Hz (standard for North American industrial applications; verify with datasheet)

Applications & compatibility

This transformer is commonly deployed in industrial settings to protect variable frequency drives (VFDs) from line notching and voltage transients. It is ideal for use with motor control centers, packaging machinery, material handling systems, and other applications where clean, isolated power is critical for drive longevity and performance.

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 550T145HDIT or contact our technical team for cross-reference assistance with compatible drive components.