A Rex 3 kVA 3-phase transformer typically operates as a dry-type autotransformer or step-down/step-up unit manufactured by Rex Power Magnetics.
Power Rating: 3 kVA
Phase: 3-Phase (3Ph)
Frequency: 60 Hz
Primary / Secondary Voltage: Commonly configured for step-down or step-up applications involving 480V (e.g., 480V to 208V, 600V to 480V, or 480V to 240V depending on the specific catalog suffix like RC3H or R3HC).
Winding Material: Copper
Type: Autotransformer (common primary-secondary windings, non-isolated) or isolation variant depending on part number.
Insulation Class: Class 180 (H) standard for many 3 kVA dry-type units (with ~115 °C or 150 °C temperature rise).
Standards & Certifications: CSA certified (File No. LR34493) and UL Listed, compliant with North American standards
