Square D 45T3H 45 KVA Transformer 3 Phase 480 V – 208Y/120 Dry Type

Used, transformer in nice condition. Was in working condition when taken out of service.

The Square D 45T3H is a 45 kVA dry-type transformer designed for three-phase applications. Here’s a detailed summary of its specifications:

Key Features:

• Manufacturer: Square D by Schneider Electric
• Model: 45T3H
• Type: Dry-Type Transformer
• Phase: Three-Phase
• Power Rating: 45 kVA (kilovolt-amperes)

Electrical Specifications:

• Primary Voltage: 480 V
• Secondary Voltage: 208Y/120 V
  • The “Y” indicates a wye-connected secondary, suitable for supplying 208 V phase-to-phase and 120 V phase-to-neutral.
• Frequency: 60 Hz

Physical and Environmental Details:

• Type: Ventilated Dry-Type (cooling by natural air circulation)
• Use Case: Indoor/Outdoor installation (check the specific NEMA rating for environmental suitability)
• Insulation Class: Typically Class H (verify specific model documentation)
• Efficiency: Meets or exceeds NEMA TP-1 energy efficiency standards (for general-purpose transformers)

Applications:

• Commercial or industrial power distribution
• Voltage conversion from 480 V (supply side) to 208Y/120 V (load side)
• Powering systems with mixed loads, including lighting, HVAC, and other equipment.