Technical Support
⚡ GP3NL Electrical Specifications
| Model | GP3NL |
| Total Running HP | 3 HP |
| Largest Starting Motor | 1.5 HP |
| Service Size | 10 KVA (30A) |
| Breaker Size | 10 MIN – 30 MAX |
| Single Phase Wire Size | 10 AWG (under 50 ft) |
| Idler Motor Wire Size | 12 AWG |
| Idler Motor | 65 lbs |
| Electrical Panel | 15 lbs — 12" × 10" × 6" |
NL SERIES
Industrial Grade Single to Three Phase Converters
Rotary Phase Converter
$859.77
★★★★★ (47 reviews)
📦
GET IT FAST!! 1 to 4 Days. Order in the next 1 hours 24 minutes to get it between Monday, 3rd March and Wednesday, 5th March
Upgrade Options
+P · Start/Stop Controls
+$244
Upgrades to PL series with integrated push-button station and motor contactor for manual on/off control.
+A · AutoLink™
+$350
Automatically reconnects loads after power interruption, links two converters together, or integrates a transformer with your phase converter.
+AS · AutoStart Smart
Call
Load-sensing technology automatically detects equipment startup and powers the converter on/off. Zero manual intervention.
+T · Step-Up Transformer
+$450
Integrated 230V → 460V step-up transformer for high-voltage three-phase equipment.
Speak with an engineer for custom configurations · (800) 417-6568
📦 What's Included
- ✅ 3 HP Idler Motor (TEFC, continuous duty)
- ✅ Pre-wired Electrical Control Panel
- ✅ NEMA 4R Panel Enclosure
- ✅ Complete Installation Manual & Wiring Diagrams
- ✅ Lifetime Warranty
- ✅ Free Lifetime Technical Support — (800) 417-6568
Simple, Labeled Installation
Every terminal is clearly marked — T1 and T2 for your single-phase 230V input. No guessing, no electrician headaches. Connect your single-phase supply and you're running three-phase power.
Heavy-Duty TEFC Idler Motor
Totally Enclosed Fan Cooled motor with cast iron frame, precision-balanced rotor, and sealed bearings. Built for decades of continuous industrial service.
🎬 See It In Action
Product Overview
NL vs PL — Which Model?
AutoLink Safety Use
NEMA 4 Weatherproof Design
Why Phoenix vs. Competitiors?
Not all phase converters are created equal
| Phoenix | Others | |
|---|---|---|
| Warranty | ✓ Lifetime | 1-2 years |
| Motor Type | ✓ TEFC Premium | Open drip-proof |
| Enclosure | ✓ NEMA 4 Steel | Thin sheet metal |
| Tech Support | ✓ US-based experts | Email only |
| Voltage Balance | ✓ ±3% guaranteed | ±10% typical |
| Ships From | ✓ 12 US warehouses | 2-4 weeks lead time |
Pro tip: Cheap converters often damage CNC machines and voids equipment warranties. The $200 you save now could cost $5,000+ in repairs.
Why Rotary Outperforms Digital
VFD/Digital converters look good on paper, but here's the reality
RECOMMENDED
Rotary Phase Converters
- 25+ year lifespan – Built with cast iron & copper
- ★★★★★ Durability – TEFC heavy-duty motors
- Run multiple machines – Simultaneously, no problem
- Handles all load types – Inductive AND resistive
- Works with transformers – No compatibility issues
- AutoStart available – $0 idle cost option
Ideal for: CNC machines, lathes, compressors, welders, wide belt sanders
Digital/VFD Converters
- 5-7 year lifespan – Electronic components fail
- ★★☆☆☆ Durability – Sensitive to dust/heat
- One machine at a time – Limited capacity
- DC leakage issues – Requires filtering
- Not for transformers – Compatibility problems
- Constant standby draw – Always using power
Best for: Quiet environments, medical equipment, single-machine setups
What Our Customers Say
★★★★★
"Sized my converter using the wizard in about 2 minutes. Arrived in 3 days and my Haas has been running perfectly. Should have bought this years ago."
★★★★★
"Was nervous about buying electrical equipment online. Phoenix made it easy - their support called to verify my order was correct. Great service."
★★★★★
"Running a 30HP compressor and plasma table on the Dual-Zone. Handles the inrush beautifully. Built like a tank."
Ready to Power Your Shop?
Size your converter in 60 seconds. Ships fast with lifetime warranty.
Talk to a Phase Converter Engineer
📞 (800) 417-6568Free sizing help • Lifetime warranty • Made in USA • Mon–Fri 7AM–5PM MST