120v Input Inverter

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0.75kw Frequency Inverter, Single Phase 120V Input, 1ph/3ph 220V Output

GK3000-SP1S1-d75

1hp (0.75kw) frequency inverter, single phase 120v input, 1 phase and 3 phase 220v output. Come with a V/F control mode, the variable frequency drive inverter drives 1ph/3ph AC motor with 120v power supply, and offers an RS485 communication interface. Frequency inverters 50hz to 60hz can work at (–10℃, 40℃), and the Interior PID controller is convenient to make a closed-loop system. The variable frequency drive inverter is widely applied in industrial manufacturing, transportation, energy, construction, etc.

$284.61

1.5kw Frequency Inverter, Single Phase 120V Input, 1ph/3ph 220V Output

EM15-SP1S1-1d5

1.5kw frequency drive inverter, single phase 120v input, single phase and three phase 220v output. 2hp variable frequency drive inverter can drive single/three AC motors with 120v power. Rated current 7 A, 50Hz/60Hz input, and V/F control mode. It offers an RS485 communication interface and supports the MODBUS-RTU communication protocol. Come with IP20 protection, the variable frequency inverter works at (–10℃, 40℃). The interior PID controller of the frequency inverter is convenient for making a closed-loop system.

$315.38

2.2kw Frequency Inverter, Single Phase 120V Input, 1ph/3ph 220V Output

GK3000-SP1S1-2d2

2.2 kW (3 hp) frequency drive inverter, single phase 120v input, single phase and three phase 220v output, with IP20 protection and RS485 communication interface. 3 hp variable frequency drive inverter can run 1ph/3ph AC motor via 120v power supply, work at (–10℃, 40℃). Equipped with an intelligent cooling fan, the 2.2kw frequency drive inverter with automatic voltage regulation can keep constant output voltage when power source voltage varies.

$346.10

4kw Frequency Inverter, Single Phase 120V Input, 1ph/3ph 220V Output

GK3000-SP1S1-004

4kw frequency drive inverter, single phase 110v-120v input, 1ph/3ph 220v-240v output, which drives AC motor via 120v power supply. RS485 communication interface, input frequency 50Hz/60Hz. With V/F control mode, the 5hp variable frequency inverter's start torque is 150% of the rating torque at 1 Hz. The variable frequency drive inverter with high-frequency precision, digital setting: max frequency x± 0.01%; analog setting: max frequency x± 0.2%.

$392.35

5.5kw Frequency Inverter, Single Phase 120V Input, 1ph/3ph 220V Output

GK3000-SP1S1-5d5

5.5 kw variable frequency drive for sale, 120v input single phase, 220v output 1/3 ph, drives AC motor by 110v/120v power. Come with V/F control and RS485 communication mode, 7.5hp variable frequency inverter can work at (–10℃, 40℃), and interior PID controller of the frequency inverter is convenient to make closed-loop system. High precise speed regulation reaches 1:100 and start torque up to 150% of rating torque at 1 Hz. It is widely used in automated plant control, aerospace, building construction, renewable energy.

$453.86

A 120V input VFD (variable frequency drive) is designed specifically for the North American market, where many residential garages, small workshops, and light commercial facilities have only 120V single-phase outlets available.

Standard VFDs require a 220V or higher input. The 120V input models on this page accept standard North American 120V single-phase power (NEMA 5-15 or 5-20 outlet) and output 220V single-phase or three-phase power at adjustable frequency — allowing you to run 220V or three-phase motors from a regular household circuit.

Typical applications include:

Garage workshops: lathes, drill presses, band saws, grinders
Small irrigation and water pump systems
Residential HVAC fan control
Light commercial equipment on 120V circuits

Available 120V Input Models at Inverter.com

Inverter.com stocks the following 120V input VFDs:

0.75kW (1 hp) | Input: 120V 1ph | Output: 220V 1ph or 3ph
1.5kW (2 hp) | Input: 120V 1ph | Output: 220V 1ph or 3ph
2.2kW (3 hp) | Input: 120V 1ph | Output: 220V 1ph or 3ph
4.0kW (5 hp) | Input: 120V 1ph | Output: 220V 1ph or 3ph
5.5kW (7.5 hp)| Input: 120V 1ph | Output: 220V 1ph or 3ph

All models: GK3000 series, V/F and vector control, built-in PID, RS-485 Modbus, overload and short-circuit protection. Operating temperature: -10°C to +40°C.

Frequently Asked Questions

Q1: Can a 120V VFD run a three-phase motor?
A1: Yes. The 120V input models on this page output 220V three-phase power, allowing you to run a standard three-phase motor from a 120V single-phase outlet. This is ideal for hobby machinists and small shop owners who want to run three-phase equipment without a utility upgrade.
Q2: What circuit breaker size do I need for a 120V input VFD?
A2: Due to the AC-DC-AC conversion process, the 120V input current is significantly higher than the motor's output current. As a general guide: a 0.75kW (1 hp) unit draws approximately 12–15A on 120V input; a 1.5kW (2 hp) unit draws 20–25A. A dedicated 20A or 30A circuit is recommended for most models. Check the product datasheet for exact input current ratings.
Q3: Will a 120V input VFD work with a 60 Hz supply?
A3: Yes. All 120V input models accept 50 Hz or 60 Hz input and can output any frequency from 0 Hz to 400 Hz. Standard US 120V/60 Hz supply is fully compatible.
Q4: What is the largest 120V input VFD available?
A4: The largest model currently in stock is 5.5kW (7.5 hp). If you need higher power, a 220V single-phase or three-phase supply will be required — see the single-phase output VFD or three-phase VFD pages for larger ratings.