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3 Phase Vector Frequency Converter

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3 Phase Vector Frequency Converter

China 3 Phase Vector Frequency Converter supplier

Large Image :  3 Phase Vector Frequency Converter

Product Details:

Place of Origin: China
Brand Name: UniMAT
Certification: CE
Model Number: UT533-R75G1-1XA0
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Detailed Product Description

3 Phase no PG Vector Frequency Converter 0.75KW UT533-R75G1-1XA0


1) Quick description :


  1. No encoder vector control, torque response speed≤20ms,
  2. No encoder vector control, torque control accuracy ±1%,
  3. No encoder vector control, 150% rated torque at 1Hz,
  4. Widely voltage range, allowable voltage swing range is ±15%,
  5. High overload capacity, 150% rated currency 60 seconds, 180% rated currency 2 seconds, 200% instantaneous trip


2) Detail description : 


Tech. Specification



Power Input

Voltage, frequency 

single phase 220V, 

3 phase, 220V,380V, 

660V and 11140V

Allowable fluctuations


Distortion of 

voltage to confirm to 


Closing striking current 

less than rated current

Power Factor

≥0.94( integrated DC 




Power Output

Output Voltage

3 Phase, 0~Input voltage,

 tolerance less than 5% in 

standard rating condition

Frequency Control Range

G type: 0 to 400Hz,

 P type: 0-400Hz, 

Z type: 0-400Hz, 

L type: 0-400Hz,

H type: 0-3000Hz.

Output frequency accuracy

±5% of maximum frequency 

Overload Tolerance

Z type: 150% rated current 

for 60 sec, 180% rated current 

for 30 sec, 250% rated current 

for instantaneous 

G, H, L type model: 

150% of rated output current

 for 60 sec,180% of rated current

 for 10s, 2 00% of rated current 

for instantaneous

P type: 120% rated current 

60 sec, 150% rated 

current for instantaneous

Key Control performance

Motor Control Mode

Open loop sensorless 

vector control without PG, 

V/F control 

Control system

Optimized Space 

Vector PWM Modulation

Carrier frequency 

0.6~ 15kHz, 

Randomly-modulated carrier

Speed control range

OLV without PG with 

rated load: 1:100,

Stable speed control accuracy

OLV without PG: 

less than 1% rated 

synchronous speed 

Torque response

OLV without PG 

control mode: ≤20ms

Frequency Accuracy
(Temperature Fluctuation)

Digital inputs: 

maximum × ±0.01%
Analog inputs: 

maximum × ± 0.2%

Frequency Setting Resolution

Digital inputs: 0.01 Hz
Analog inputs: 0.5% 

of maximum output 


Standard Function

DC Braking

Starting Frequency: 

0.00 to 50.00Hz,
Braking Time:

 0.0 to 60.0s
Braking current: 

0.0 to 150% rated current

Torque boost

Auto torque boost:

0.0% to 100%
Manual torque boost: 

0.0% to 25%

V/F curve

5 kinds curve 

programmable setting:

1 user setting, 1 of linear

 characteristic torque curve 

setting. 3 kinds derating 

torque setting( 1.5 power, 

1.7 power, 2.0 Power curve )

Accel / Decel. curve

Two kinds curve: line Accel/Decel, 

S curve Accel/Decel.
4 Accel/Decel time unit is 0.1s,

 maximum time 6500.0s

Rated output voltage

Power voltage compensation is available, 

setting range from 50 to 100%( rated voltage), 

the output voltage can't over than input

AVR Auto Voltage Regulation

automatic voltage regulation for keeping 

output voltage stable when fluctuation of grid

Auto energy saving running

Optimized the output voltage according 

the load to achieve energy saving

Auto current limit

Auto current limit during running mode to 

avoid trip occurs frequently

Momentary Power Loss

 with no stop running function

To achieve continuous running with 

regenerative energy and DC bus voltage 

regulation when momentary power loss

Standard Function

PID control, Carrier frequency adjustable, 

current limiter, Speed Search, Momentary 

Power Loss restart,8 Step Speed (max), 

3-wire Sequence, Slip Compensation, 

Frequency Jump, Upper/lower Limits for 

Frequency Reference, DC Injection Braking 

at Start and Stop, Energy Saving Control, 

Modbus Comm RS485, Fault Restart, job

 function, Cooling Fan on/off Switch, timing stop,

high pulse output, programmable auto running, 

swing frequency, counter, frequency arriving 

detect and frequency lever detect.

Frequency Setting Methods

Keypad digital setting, potentiometer of keypad, 

analog voltage terminal VS1, analog voltage 

terminal VS2, analog current terminal AS, 

RS485 communication and multiple terminal, 

main and auxiliary composition setting.

Feedback Input Channel

voltage terminal VS1, VS2, current terminal AS, 

communication , and pulse input PUL

Running command channel

keypad given, external terminal given, 

communication given

Input command signal

Start, Stop, FEW/Reverse, Job, Multiple speed, 

free stop, Reset, Accel/Decel time, Frequency 

set point channel, External fault

Output signal 

2 Photo coupler relays: 2 (24 V, up to 50 mA)
1 Contact relays: 

1 (250 Vac/up to 1 A, 30 Vdc/up to 1 A)
0-10V output, 4 to 20mA output
Frequency pulse output

Protection function

Overvoltage, under voltage, current limit, 

over current, overload, electric thermal relay, 

overheat, Stall prevention, parameter lock

keypad Display

LED Display

One line digit-segments LED display to monitor 

1 running status

Double line digit-segment display to monitor 

1 running status

Parameters copy

upload and download parameter code to 

achieve easy copy

Monitor Function

Output frequency, Frequency set point, 

Out current, Output voltage, motor speed, 

PID feedback value, PID given setting, 

IGBT module temperature, I/O terminal status.


Overvoltage, under voltage, over current, 

short circuit, phase loss, over load, over heat, 

stall prevention, current limit, parameter lock 

damage, running status at present alarm, 

past trip alarm


Installation Site

Indoor, Altitude should less than 1000m, 

Free corrosive gases and direct sunlight

Running Temperature, humidity

-10~+40°C ( wall mounting), 
20% to 95% RH (No condensation)


Less than 0.5g when frequency less than 20Hz

Storage Temperature


Installation mode

Wall-mounted mode, floor stand cabinet install

Protection Degree


Cooling Method

Forced air-cooling


3) Product Packing

4) Certificate
5) Installation
The whole series use DC Fan, easily replacement, longer life. Penetrable installation has strong 

Cabinet uses up and down design, standard reactors are installed in the base, to ensure better 

cooling, improve the application life and good wiring.

Contact Details
Shenzhen UniMAT Automation Technology Co., Ltd.

Contact Person: wfm

Tel: +8613811000000

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