This three-phase transformer converts 240V Delta to 208Y/120V — giving you a proper Wye secondary with a neutral for 120V branch circuits from your existing 240V Delta three-phase service. Available from 15 KVA to 500 KVA. Select your KVA from the dropdown above.
| Primary Voltage | 240V 3-Phase Delta |
| Secondary Voltage | 208Y/120V 3-Phase Wye |
| Available KVA | 15, 30, 45, 75, 112.5, 150, 225, 300, 500 KVA |
| Frequency | 60 Hz |
| Type | Dry-Type, Indoor/Outdoor |
| Temperature Rise | 150°C |
| Insulation Class | Class H (180°C) |
📦 What's Included
- ✅ Three-Phase Dry-Type Transformer (240V Δ to 208Y/120V)
- ✅ NEMA 3R Enclosure
- ✅ Neutral Bar for 120V Branch Circuits
- ✅ Primary & Secondary Terminals
- ✅ Documentation & Wiring Instructions
Why This Transformer
Converts your 240V Delta service to a proper Wye configuration with neutral — essential for 120V receptacles and lighting in buildings with 240V Delta power.
Nine sizes from 15 KVA to 500 KVA — from small commercial spaces to large industrial facilities.
Meets UL, CSA, and NEC requirements for safe, code-compliant installation.
No oil filling, no maintenance schedule. NEMA 3R rated for indoor and outdoor installation.
🏗️ Common Applications
Need a transformer paired with a phase converter? We'll design the complete system.
This three-phase transformer converts 240V Delta to 208Y/120V, providing a Wye secondary with a true neutral connection. This is the solution for facilities with 240V Delta three-phase service that need 120V single-phase for lighting, receptacles, and controls. The Wye secondary also provides 208V three-phase for equipment rated at that voltage.
Commonly paired with Phoenix Phase Converters rotary phase converters to create a complete single-phase to three-phase 208Y/120V power system. Available in 15, 30, 45, 75, 112.5, 150, 225, 300, and 500 KVA sizes. Call (800) 417-6568 for sizing help or complete system design.
