Single to Three Phase Inverter

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0.4 kW Single Phase to Three Phase Frequency Inverter

GK3000-2S0004

0.4kw frequency inverter for sale, convert single phase to three phase for AC motor speed controls, rated current 3A, input frequency 50Hz~60Hz, and output frequency 0Hz~1000Hz. With an IP20 enclosure rating and RS485 communication mode, the inverter can work at (–10℃, 40℃). The variable frequency drive single phase to 3 phase is usually applied in CNC machine tools, water pumps, fans, air conditioners, washing machines, etc.

$149.10

0.75 kW Single Phase to Three Phase Frequency Inverter

GK3000-2S0007

0.75kw frequency drive inverter for sale, convert single phase to three phase for AC motor speed controls, rated current 4A, speed regulation 1:100. With IP20 protection, variable frequency drive single phase to 3 phase has RS485 communication mode, and PID controller is convenient to make closed-loop system. The single phase to 3 phase inverter is usually applied in motor, pump, electric equipment and so on.

$159.32

1.5 kW Single Phase to Three Phase Frequency Inverter

GK3000-2S0015

1.5kw variable frequency inverter, converting single phase to 3 phase, rated current 7 A, input voltage 1 phase 220V AC ±15%. With RS485 communication mode, inverter single phase to three phase has an input frequency of 50Hz/ 60Hz, and speed regulation reaches 1:100. Come with IP20 enclosure protection, variable frequency drive single phase to 3 phase is widely applied in motor, pumps, and fans.

$183.16

2.2 kW Single Phase to Three Phase Frequency Inverter

GK3000-2S0022

2.2kw frequency drive inverter for sale, converting single phase to 3 phase, IP20 enclosure rating, RS485 communication. Rated current 9.6A, input voltage 1 phase 220V AC ±15% and output voltage 3 phase AC 0~input voltage. The single phase to 3 phase inverter work at (–10℃, 40℃), humidity 5%-95%.

$238.14

3.7 kW Single Phase to Three Phase Frequency Inverter

GK3000-2S0037

3.7kw variable frequency inverter for sale, converting single phase to three phase, apply for motors, pumps, washing machines, refrigerators, fans, and so on. Come with RS485 communication mode and IP20 enclosure protection, single phase to 3 phase inverter works at (–10℃, 40℃). The shell is hard and can protect the internal components of the inverter.

$294.31

5.5 kW Single Phase to Three Phase Frequency Inverter

GK3000-2S0055

5.5kw variable frequency inverter with affordable price, converting single phase to 3 phase, input voltage 1 phase 220V AC ±15%, RS485 communication. Come with an IP20 enclosure rating, 1 phase to 3 phase inverter's speed regulation reaches 1:100. The 7.5hp frequency inverter with an intelligent cooling fan can work at (–10℃, 40℃). It is widely applied in small electronics, such as motors, refrigerators, fans, etc.

$697.14

7.5 kW Single Phase to Three Phase Frequency Inverter

GK3000-2S0075

7.5kw frequency drive inverter for sale, converting single phase to three phase, with 220V/230V/240V 1-phase input to 0~input voltage 3-phase output. The single phase to 3 phase inverter comes with RS485 communication mode, enclosure rating IP 20 can protect interior component from damage. Equipped with a clear LCD, a single to three phase inverter can work at (–10℃, 40℃).

$992.18

11 kW Single Phase to Three Phase Frequency Inverter

GK3000-2S0110

11kw frequency drive inverter with affordable price, converting single phase to three phase, rated current 32 A, input voltage 1 phase 220V AC ±15%, and output voltage 3 phase. Come with IP20 protection rating, single phase to 3 phase inverter has durable housing. Equipped with intelligent cooling fan, inverter single phase to three phase has strong heat dissipation function, applying for three phase motor on single phase 220 volt household power supply.

$1,453.95

If you have single-phase 220V power but need to run a three-phase motor, a single- to three-phase VFD is the solution. It accepts your existing single-phase supply and outputs balanced three-phase AC at an adjustable frequency — allowing three-phase motors to run at full torque and variable speed without requiring a three-phase utility connection.

This is the most popular VFD configuration for small machine shops, woodworking facilities, agricultural pump stations, and light industrial operations where single-phase is the only available supply.

How Does a Single- to Three-Phase VFD Work?

The conversion happens in three stages:

Rectification: The single-phase AC input is converted to DC through a diode bridge rectifier.
DC bus filtering: Capacitors smooth the rectified DC to remove ripple and provide a stable DC voltage for the inverter stage.
Inversion: IGBT switches generate three-phase AC output at the target frequency and voltage through pulse-width modulation (PWM). The three output phases are 120° apart, producing balanced three-phase power.

The output frequency is fully adjustable (typically 0–400 Hz), providing variable-speed control of the motor in addition to phase conversion.

What are the Common Applications of a Single- to Three-Phase VFD?

Single-to-three-phase VFDs are widely used in:

Small machine shops: lathes, milling machines, drill presses, grinders
Agricultural: irrigation pumps, grain augers, feed mixers
Woodworking: table saws, band saws, thickness planers, dust collectors
HVAC: three-phase fan and blower motors on single-phase service
Light industrial: conveyor drives, compressors, packaging equipment

Available Models at Inverter.com

0.4 kW (0.5 hp) — fans, air conditioners, washing machines
0.75kW (1 hp) — small workshop equipment, light-duty pumps
1.5kW (2 hp) — bench lathes, small bandsaws, irrigation
2.2kW (3 hp) — mid-size lathes, air compressors
3.7kW (5 hp) — workshop compressors, milling machines
5.5kW (7.5 hp) — small electronics, motors, refrigerators
7.5kW (10 hp) — heavy shop equipment, agricultural pumps
11kW (15 hp) — industrial pumps, larger conveyors

All: GK3000-series, V/F and sensorless vector control, built-in PID, RS-485 Modbus, 220V single-phase input.

Frequently Asked Questions

Q1: Can I really run a three-phase motor from single-phase power with a VFD?
A1: Yes. The VFD rectifies your single-phase input to DC, then uses IGBT switching to generate balanced three-phase AC output. Your three-phase motor receives proper three-phase power and operates normally. Note that single-phase input current will be higher than three-phase input current would be — your supply wiring and breaker must be sized accordingly.
Q2: What is the difference between a single-to-three-phase VFD and a rotary phase converter?
A2: A rotary phase converter uses a motor-generator to produce three-phase power mechanically and runs the connected motor at a fixed speed only. A single-to-three-phase VFD produces three-phase power electronically and simultaneously provides variable speed control, soft start, and motor protection — at lower cost, with no moving parts.
Q3: Do I need to derate the VFD when running on a single-phase input?
A3: The models listed on this page are rated and specified for single-phase input operation at their stated power — no derating is required. For standard three-phase-input VFDs used with a single-phase supply, a ~50% derating would apply, but these dedicated single-to-three-phase models are designed for this duty.
Q4: What input voltage is required?
A4: All models accept 220V (±15%) single-phase input at 50 or 60 Hz. For 120V single-phase input, see our dedicated 120V input VFD page.