Frequency inverter

K20 Series Economical VFD （4.0kW）

Product ID： 9528
size： 80
Material Science： cotton
INQUIRY

Product Details

Introduction

K20 series AC drive is our new developed economical inverter, it poured our company many years' inverter R&D experiences, which has very high cost performance. By upgrading the software and hardware, K20 series AC drive has very high reliability, high stability and excellent performance.

Quick Details

Place of Origin: Shenzhen China Product name: AC drive

Product name: Frequency inverter Series No.: K20

Size: W*H*D: 100*207*142cm Power: 4.0kW

Input voltage: 3AC 380V Output: Three phase 380V

Supply Ability

30,000 PCS / Monthly

Lead Time

Quantity(Pieces)	1 - 200	200 - 500	>500
Est. Time(days)	3~5	7	7~10

Wiring Diagram

K20 Series Economical VSD （0.75~2.2kW）(图1)

Technical Specifications

Item	Technical Index	Specification
Input	Input voltage	3AC 380V±15%
Input	Input frequency	50/60Hz±5%
Output	Output voltage	0~rated input voltage
Output	Output frequency	0~600.0Hz
Control Features	Control mode	V/f control Sensorless vector control (SVC)
	Operation command mode	Keypad control Terminal control Serial communication control (Modbus)
	Frequency setting mode	Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combinated & switched in various modes.
	Overload capacity	150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
	Starting torque	0.5Hz/150% (SVC), 1Hz/150% (V/f)
	Frequency accuracy	Digital setting: 0.01Hz Analog setting: maximum frequency ×0.05%
	Automatic voltage regulation	Keep output voltage constant automatically when input voltage fluctuating
Input/output terminals	Input terminals	Programmable digital input: 5 multifunctional inputs 2 programmable analog input: AI1, AI2: 0~10V / 4~20mA
	Output terminals	Relay output: 1 channel (NO+NC) Open-collector output: MO1 Analog output: AO1: 0~10V / 4~20mA DC voltage: 10V, 24V
	Communication terminals	Build-in RS485 communication interface Standard MODBUS-RTU communication protocol
Environment	Ambient temperature	-10~40°C, without direct sunshine.
	Humidity	90%RH or less (non-condensing)
	Altitude	≤1000M: output rated power, <1000M: output derated
	Storage temperature	-20~60°C

Product Advantages

K20 Series Economical VFD （4.0kW）(图2)

Optimized structure design

1: Three sizes for 0.75~7.5kW, reasonable power distribution, high cost

performance;

2: Independent air duct design to prevent dust from entering the inverter.

K20 Series Economical VSD （0.75~2.2kW）(图3)

Optimized hardware and software design

1: Long life components selection;

2: More reasonable layout of components, better MEC performance,

strong anti-interference ability;

K20 Series Economical VSD （0.75~2.2kW）(图4)

Build-in high thermal conductivity insulating material

1: Alumina ceramic substrates are used for IGBT heatsink;

2: IGBT inside temperature is reduced remarkably, the frequency inverter

has better environmental adaptability.

K20 Series Economical VSD （0.75~2.2kW）(图5)

Very strict production and testing

1: Full automatic PCBA coating;

2: Comprehensive R&D and production test;

Selection Guide

K20 Series Economical VFD （0.75~2.2kW）(图6)

Model list			Dimensions (mm)
Model	Output Power (kW)	Output Current (A)	H	W	D	H1	W1	Aperture
1AC 220V±15%
K20-00075S2	0.75	4	90	187	133	80	177	4.5
K20-00150S2	1.5	7
K20-00220S2	2.2	9.6
3AC 380V±15%
K20-00075T4	0.75	2.1	90	187	133	80	177	4.5
K20-00150T4	1.5	3.8
K20-00220T4	2.2	5.1
K20-00400T4	4.0	10	100	207	142	90	197	4.5
K20-00550T4	5.5	13	130	247	162	115	236.5	5
K20-00750T4	7.5	17