Specification :

We offer different models( 0.75-400KW) with best quality, superior performance, long life at cheapest price.

EM300A variable frequency drive

Application: Applicable to most of AC motor drive fields( 0.75 – 400KW) , with high demand of precision and accuracy.

Features

1. Speed sensor less vector control technique;

2. Drive mode: V/ F and vector control 2-in-1 optional;

3. Speed / frequency / torque setting mode;

4. Auto recognition of motor’ s parameters;

5. Frequency control range: 0 - 600HZ

6. Speed regulation width: 1: 50( SV) , 1: 100( vector w/ o PG) , 1: 1000( vector w/ PG)

7. Speed control accuracy: + / - 0.5Hz( vector w/ o PG) , + / -0.05% ( vector w/ PG)

8. Starting torque: 150% / 1Hz ( SV) , 150% / 0.5Hz ( vector w/ o PG) , 150% / 0Hz ( vector w/ PG)

9. Overload current withstanding: 150% for 1 minute, 180% for 2 seconds

10. Auto voltage regulation - AVR

11. Built-in braking unit ( 0.75 - 15KW) , and independent B/ R 45KW available

12. 16-step speed control, Simple PLC, and high-speed impulse etc.

13. RS485 interface: can realize master-slave control with multiple inverters

14. Support MODBUS RTU communication protocol;

15. 8 numeric input, 4 output ( 2OC + 2 relay)

16. 4 analog input, 2 analog output; can effectively avoid drift and interference of analog signal by special treatment;

17. PG speed card, support photoelectrical encoder

18. Users can select the desired code to display and set;

19. Reference power: 0-10V / 0-20mA

20. Droop control satisfies the machine that is driven by multiple inverters

21. Pendulum frequency, specialized for textile and chemical fiber Industry that needs traverse and winding

22. Fixed length and time control

23. LCD keypad, can show as many as 4 rows of message

24. TI DSP ensures high speed and accuracy in complicated logic operation;

25. Independent heat sink with low noise design;

26. Sound protection against short-circuit, over current, over load, over voltage, lack phase, overheating or external fault etc.

27. Power supply: Single phase: 220V / 230V, 3-phase, AC 380V / 415V / 440V, 50/ 60Hz, ± 5% .