Technical Support
Phoenix Phase Converter Support
Get Help With Your Converter — Fast
Troubleshoot, download manuals, or contact support in just a few clicks.
Start TroubleshootingTroubleshooting Wizard
Downloadable Manuals & Diagrams
- GP3NL Installation Manual Download PDF
- GP3PL Installation Manual Download PDF
- GP5NL Installation Manual Download PDF
- GP5PL Installation Manual Download PDF
- GP7NL Installation Manual Download PDF
- GP7PL Installation Manual Download PDF
- GP10NL Installation Manual Download PDF
- GP15NL Installation Manual Download PDF
- GP10PL Installation Manual Download PDF
- GP15NL Installation Manual Download PDF
- GP15PL Installation Manual Download PDF
- GP20NL Installation Manual Download PDF
- GP20PL Installation Manual Download PDF
- GP25NL Wiring Diagram Download PDF
- NEC Article Reference Sheet Download PDF
Frequently Asked Questions
What size breaker do I need for a GP25NL?
We recommend a 100A breaker with a time delay fuse for most applications.
Can I install the converter outdoors?
Yes, with the proper NEMA enclosure. Ask us about weatherproof options.
Still Need Help?
Reach out to our support team for one-on-one help with your phase converter.
Email SupportTalk to a Phase Converter Engineer
📞 (800) 417-6568Free sizing help • Lifetime warranty • Made in USA • Mon–Fri 7AM–5PM MST