EM303A universal open loop frequency inverter, ac drive, variable speed drive, variable speed drive

EM303A universal open loop frequency inverter, ac drive, variable speed drive, variable speed drive


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Required Quantity
Place of Origin
Brand name
SINEE
Payment Terms
Negotiable
Production method
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Shipping / Lead Time
Negotiable / Negotiable
Keyword
ac drive, variable frequency inverter, variable speed drive, speedless sensor vector control
Category
Inverters & Converters

Shenzhen Sine Electric Co.,Ltd

Country / Year Established
China China /
Business type
Others
Verified Certificate

14

Product name EM303A universal open loop frequency inverter, ac drive, variable speed drive, variable speed drive Certification -
Category Inverters & Converters Ingredients -
Keyword ac drive , variable frequency inverter , variable speed drive , speedless sensor vector control Unit Size -
Brand name SINEE Unit Weigh -
origin Stock -
Supply type - HS code -

Product Information

EM303A Open loop vector control inverter

0.75 – 400 KW 

Applications

Universal open loop vector inverter, can be applied to most AC motors, such as textile machine(winder), lift, cable, blower and crane etc... 

Features 

1. Speedless sensor vector control technique;

2. Drive mode: V/F, open loop vector without PG, enclosed loop vector without PG;

3. Setting mode: Speed / frequency, torque;

4. Auto tuning of motor’s parameters;

5. Frequency control width: 0~600HZ

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

7. Speed control accuracy:+/- 0.5Hz

8. Start-up torque:150% / 1Hz (SV), 150%/0.5Hz (vector w/o PG)

9. Max. overload current:(G)150% for 1 minute,180% for 2 seconds

10. AVR voltage stabilization technique

11. Built-in braking unit for power 0.75~15KW, can utilize braking resistor for quick stop;

12. Built-in PID

13. Built-in standard RS485 communication interface;

14. RS485, realize master-slave control system with multiple inverters through PLC or IPC;

15. Support MODBUS RTU communication protocol;

16. Numeric input terminals support forward / reverse logic control;

17. Numeric output terminals support level / impulse output, forward / reverse logic and delay output etc.

18. VS/IS/VF/IF analog input signal can be programmed as numeric input;

19. VP/VS/IS/VF/IF analog input signal, can effectively avoid drift and interference of analog signal after special treatment;

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

21. Reference power: 10V / 20mA

22. Terminal control power:  24V/150mA

23. Numeric terminal input: 7 channels;

24. Analog terminal input: 4 channels;

25. Numeric terminals output: 2 channels for OC output, and other 1 for relay output;

26. Analog terminal output: 2 channels ( 0 – 10 V / 0 – 20 mA);

27. Keypad: LED, can change to LCD upon request.

28. DSP by American TI Company performs complicated logic operation with high speed and accuracy;

29. Cooling method: Forced air cooling;

30. Storage temperature: -25~65C

31. Humidity: 20%~90%RH

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

 

Power supply: 3-phase, AC 380V / 415V / 440V, 50/60Hz, +/-5%.

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options Negotiable Shipping time Negotiable

Shenzhen Sine Electric Co.,Ltd

Country / Year Established
China China /
Business type
Others

14

President
Mr. Tu
Address
D3, 2nd Industrial Area, Longjing, Longzhu Rd 5,Nanshan, Shenzhen, China, 518 055
Product Category
Inverters & Converters
No. of Total Employees
101-500
Company introduction

SHENZHEN SINE ELECTRIC CO.,LTD, established in April 2003, is one of the earliest companies in China engaged in research, manufacture and sales of frequency inverters. As a major player in China, we currently have 30 branches nationwide to service our dealers and end-users. 

Our product line includes: universal inverters, special purpose inverters, servo drive, braking unit and PG feedback card etc that are widely applied to cable, plastic injection machine, heat supply station, central air conditioner, metro, paper maker, industrial washing machine, CNC lathe, wood processing, cement, port, oil refinery, coal mine, coating machine, handrail escalator, water supply, dyeing machine, textile, and energy saving reform etc. 

We understand that price and quality plays a key role in long term cooperation with our customers, we commit to offer competitive price with superior quality, our quality system is ISO9001 / TUV, and we built barcode tracing system to prevent quality defect rather than to inspect and fix the problem after it occurs. 

Our advantages: 

Speedless sensor vector control (open loop vector control)

Stable performance

Easy operation

30 branches throughout China

Our product line:

EM300A, Open loop / enclosed loop vector control inverter (universal series)

EM303A, Open loop vector control inverter (universal series)

EM308A, Open loop vector energy saving inverter (for blower, air compressor etc.)

EM309A, Tension control inverter (special for wire drawing machine)

EM311A, Wire drawing machine inverter (powerful inching control)

EM318A, Ball mill inverter

EM319A, Power pay-off and take-up inverter (for cable manufacturing)

EM320A, CNC lathe inverter

EM321A, Veneer lathe inverter (special for wood processing)

EM330A, Open loop vector control lift inverter (for sea port/ wharf)

EM331A, Elevator inverter

EA100, Servo drive (for lathe, textile etc.)

BR100, Braking unit

PG feedback card

Main Markets

China China

India India

Iran Iran

Kyrgyzstan Kyrgyzstan

Pakistan Pakistan

Russia Russia

Viet Nam Viet Nam

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