4KW 220V To 380V Variable Frequency Speed Control Drive VFD Inverter Frequency Converter Frequency

  Availability: In Stock
  Shipping: Free Airmail 
  Estimated Delivery: 
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  •   Shipping Methods

    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022


    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.


    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.


    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.


    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888



Specification :

1. Inverter Series: 91001- T300150G 
2. Control Mode: SPWM
3. Input Power:  220V ± 10% power
4. Output Power:  380V ± 10% power
5. 4Digits Display & Status Indicator Lamp: Displaying frequency, current, revolution, voltage, counter, temperature, forward or reserve running, and fault, etc.
6. Communication Control: RS-485
7. Operation Temperature: -10~40℃
8. Humidity: 0-95% Relative Humidity(without dew)
9. Vibration: Below 0.5G

Feature :

1. Frequency setting mode: digital setting, analog setting, serial communication setting, multi-speed, PID setting.

2. PID control function

3. Multi-speed control function: 8-speed control

4. Swing frequency control function

5. Instantaneous power outage without stopping function

6. REV / JOG key function: user-defined multi-function shortcut keys

7. Automatic voltage adjustment function: When the grid voltage changes, the output voltage can be automatically maintained constant

8.Provide up to 25 kinds of fault protection: over-current, over voltage, under voltage, over temperature, phase loss, overload and other protection.

Input and output characteristics

Input voltage range: 220V±15%

Input frequency range: 47~63Hz

Output voltage range: 0~rated input voltage

Output frequency range: 0~650Hz

Technical performance characteristics

Control: PG-free vector control, V/F control

Starting torque: without PG vector control: 0.5Hz / 150% (SVC)

Speed ratio: no PG vector control: 1: 100

Speed control accuracy: PG vector control: ± 0.5% of the maximum speed

Carrier frequency: 0.5k ~ 15.0kHz

Peripheral interface features

Programmable digital input: 4 inputs

Programmable analog input: AI1: 0~10V input, AI2: 0~+5V or panel potentiometer input

Open collector output: 1 way output

Relay output: 1 way output

Analog output: 1 way output,  optional 4~20mA or 0~10V


1. Please read the product instructions carefully, choose the type according to the function and power you need, and avoid the damage caused by wrong wiring.

2. This frequency converter can not drive other load types except inductive load such as motor . Please pay special attention to it when purchasing.

3. The overload capacity of 220V to 380V frequency converter is small. Please choose at least one higher power level. When the load is very large (such as gear pump hydraulic pump) or there is a blocking condition, please choose carefully.

4. If you don’t know how to choose the type, you can also contact us to give you some suggestions.

Package included:
1 x Variable Frequency Drive VFD Inverter 
1 x Accessories set  
1 x English Manual

>>Please click here to download the English user manual<< 

>>Please click here to download the English user manual<< 


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