Step 1. Answer the questions below regarding your upgrade needs
| Wye or Delta | |
| Need two RS485 ports? | |
| Need mix of 5A & 1A for Phase Current & Differential Current inputs? | |
| Need mix of 5A & 1A for Phase & Ground inputs? | |
| Is 469 Mod 004 required? | |
| Is DeviceNet communications required? | |
| Need Digital Input +24Vdc Switch Supply? | |