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4kw VFD Original universal frequency inverter with IP20 new in stock

  • 1-99 Pieces
  • >=100 Pieces
Output Power:
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Lead Time:
8 day(s) after payment received
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
Input Voltage:
Output Voltage:
DC/AC Inverters
Output Type:
Output Current:
Output Frequency:
Product name:
4kw VFD in stock
Water Pump
Overcurrent overvoltage
18 Months
LED Digital
Output waveform:
Midified Sine Wave
Rated power:
Ac Dc Converter

Packaging & Delivery

Selling Units:
Single item
Single package size: 
33X32X32 cm
Single gross weight:
3.000 kg
Package Type:
Standard packing for 4KW Frequency Inverter
Lead Time :
Quantity(Pieces) 1 - 50 >50
Est. Time(days) 8 To be negotiated




Production name4kw VFD Original universal frequency inverter IP20 new and originali n stock
Voltage380VAC 3 phase input
rated current9A
Maximum frequency

Vector control: 0~300 Hz

V/F control: 0~3000 Hz
Control mode

Sensor-less vector control (SVC)

Closed-loop vector control (FVC)(+ PG card)

Voltage/Frequency (V/F) control
Startup torque

G type: 0.5 Hz/150% (SVC); 0 Hz/180% (FVC)

P type: 0.5 Hz/100%
Overload capacity

G type: 60s for 150% of the rated current, 3s for 180% of the rated current

P type: 60s for 120% of the rated current, 3s for 150% of the rated current
Built-in simple PLC, multiple speedsIt realizes up to 16 speeds via the simple PLC function or combination of DI terminal states.
Protection modeMotor short-circuit detection at power-on, input/output phase loss protection, over current protection, overvoltage protection, less voltage protection, overheat protection and overload protection,etc.



Product Description


EM12 is first class frequency inverter with very strong software and hardware.

It has servo drive feature,with perfect speed control mode,and excellent torque control mode.

It can save 2 group motor parameters ,and can drive synchronous motor and asynchronous motor.

It has sensor-less vector control(SVC),vector control+ PG; V/F control and V/F separation control.

It has 49 kinds digital input functions and 38 kinds digital output functions.

It has S curve of acceleration and deceleration,user can self defined S curve turning time.

The IGBT carrier frequency can auto adjustment according to heat sink temperature.

35 kinds protection function,including auto detecting short circuit after power on.

Including textile swing frequency and skip frequency function,etc.

Voltage Range:220V~240V; 380V~440V.

Input Frequency Range:45~65Hz.

Output Voltage Range:0V~rated input voltage.

Output Frequency Range:V/F( 0~3000Hz); Vector Control(0~300Hz).

Overload Capacity:60s with 150% of rated current,3s with 180% of rated current.

From 0.75~7.5KW Plastic house; 11~400KW is metal house.

Speed Accuracy: ±0.5%(SVC); ±0.02%(VC).

Pulse setting input: 0Khz~100Khz.

All model built-in RS485 card,and approved by CE.

EM12-G3/P3 models are integrated IGBT.


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Company Information

 EMHEATER has been making effort in drive and control field!
 EMHEATER has been adhering competitive price for customers!
 EMHEATER has been taking care of developing together with partners!

 We have 6 factories and more than 820 staff. As a professional manufacturer of industrial automation products, we are always dedicated to soft starter, frequency inverter, servo motor and drive, EMI filters, harmonic wave AC choke, sine wave filter, brake units and resistor. In the year of 2008, EMHEATER Group does have established “China EM Technology Limited” to cultivate oversea market. 

We have following mature series products:

1.EM12 series vector control inverter. (220V~690V:0.75KW~630KW).
2.EM12-SP series solar pump inverter. (220V~690V:0.75KW~630KW).
3.EM-GJ/GS series soft starter, (220V/380V~480/690V:5.5KW~ 600KW).

4.EM-GW series online soft starter 380V up to 525V on power range from 11KW to 600KW. Directly run AC motor. LCD display screen.

5.EM-GB series built-in bypass soft starter on 380V from 5.5KW to 400KW. Directly run AC motor. LCD display screen.

6.EM-GS series soft starter on 220V up to 690V from 5.5KW to 650KW. LCD display screen.

7.EM-HS series high voltage soft starter on 6KV to 10KV from 220KW to 11500KW.

8.EMA to EMD series servo motor drive system, (220~380V;0.2~22KW).
 And relative accessories(filter:choke:resistor). 



Areas of application: 
Electronics, textile, light industry, building materials, food, machinery, printing and dyeing, petrochemical, paper, logistics transportation, Wire drawing machine, winding machine, blow molding, chemical fiber, tobacco, grinder, mixer, extruding machine, injection molding machine, chemical industry, etc. 


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