Technical Support
Expert Support
Support & Resources
Everything you need to install, operate, and maintain your phase converter — plus real engineers a phone call away.
Customer App
Tracking, guides, wire sizing — everything in one place
Troubleshooting
Step-by-step diagnosis for common issues
Wiring Diagrams
Complete wiring guides for every model
Datasheets
Specs, dimensions, and electrical data
Sizing Wizard
Not sure what size you need? Find out in 2 minutes
Track My Order
Check your shipment status and delivery ETA
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Installation Resources
Pre-Installation Checklist
Electrical requirements, site prep, and what to have ready before your converter arrives.
Installation Manual (PDF)
Complete manual covering all models — wiring, startup, operation, and maintenance.
Wire & Breaker Sizing Guide
NEC-compliant wire gauge and breaker size for your converter HP and wire run length.
Installation Videos
Watch step-by-step video tutorials for installing and operating your converter.
Datasheets & Manuals
NL Series Datasheets
Standard 230V models — specs, dimensions, and electrical data.
NLA Series (Compressor Duty)
AutoLink models for high-inrush loads like compressors and HVAC.
NLTA Series (460V + AutoLink)
230V input → 460V output with AutoLink for heavy industrial loads.
DualZone Series
High-power multi-HP models — specs and wiring guides.
Learn & Troubleshoot
Ultimate Guide to Phase Converters
Everything you need to know — how they work, types, sizing, and installation.
Frequently Asked Questions
Answers to the most common questions about phase converters.
Troubleshooting Guide
Diagnose voltage issues, noise, tripping breakers, and motor problems.
Blog & Technical Articles
In-depth articles on sizing, applications, and phase converter technology.
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📞 (800) 417-6568Free sizing help • Lifetime warranty • Made in USA • Mon–Fri 7AM–5PM MST