The 20 HP Phase Converter Link Box (AutoLink) is the pre-wired electrical control panel for a 20 HP rotary phase converter. It contains the start capacitors, run capacitors, contactor, overload protection, and AutoLink soft-start circuit — all wired and ready to connect to your 20 HP idler motor and single-phase service. This is the control panel only — idler motor sold separately.
| HP Rating | 20 HP |
| Type | AutoLink Control Panel (Link Box) |
| Voltage | 230V Single-Phase In / 230V Three-Phase Out |
| Includes | Capacitors, Contactor, Overload, Soft-Start |
| Enclosure | NEMA 4 (IP65) Weatherproof |
| Idler Motor | Not included — sold separately |
📦 What's Included
- ✅ Pre-wired 20 HP Control Panel (NEMA 4 enclosure)
- ✅ Start Capacitor Bank (correctly sized for 20 HP)
- ✅ Run Capacitor Bank
- ✅ Contactor & Overload Protection
- ✅ AutoLink Soft-Start Circuit
- ✅ Wiring Diagram & Instructions
- ✅ Lifetime Warranty
When to Buy a Link Box
If you already own a 20 HP three-phase motor that can serve as an idler, you just need this panel to complete your phase converter system.
Existing phase converter panel burned out? This is a direct replacement. Connect to your existing idler motor and you're back in business.
Upgrading from a homemade or competitor panel to Phoenix Phase Converters quality? This panel drops in with AutoLink soft-start and proper protection.
Thermal overload, magnetic protection, and AutoLink soft-start are all pre-wired. Professional-grade protection in a plug-and-play panel.
Not sure if a Link Box fits your motor? Call us — we'll verify compatibility.
The 20 HP Phase Converter Link Box is a complete pre-wired control panel for building or repairing a 20 HP rotary phase converter. The panel includes start capacitors, run capacitors, contactor, overload protection, and Phoenix Phase Converters' AutoLink soft-start system — all wired inside a NEMA 4 (IP65) weatherproof enclosure. Just connect your 20 HP idler motor and single-phase power supply.
Ideal for customers who already own a three-phase motor, need to replace a failed panel, or want to upgrade from a homemade or competitor system. Manufactured by Phoenix Phase Converters in Phoenix, Arizona, with a lifetime warranty. Call (800) 417-6568 to verify motor compatibility.
