Founded in April 2003, Shenzhen Sine Electric Co., Ltd, a leading supplier of AC drive in China, offers a wide range of innovative, reliable, efficient and high-quality products, solutions and services in industrial device manufacturing.
As one of the first companies that engaged in research and development on frequency inverter independently in China, there are series of new products placing on the market every year. SINEE owns more than ten patents and software copyrights, and all products are registered, own the proprietary intellectual property rights and CE approval. There are 28 branch offices and branches for providing professional and efficient services to customers nationwide.
Based on industrial automation technology and proprietary intellectual property rights, SINEE offers a wide range of reliable products, efficient services and custom-tailored solutions for specific industry customers including cable, crane, metal processing, extruder, textile and food machinery, refrigerator, ball mill, escalator, water treatment, civil engineering, mining, petrochemical, construction, and etc.
SINEE is always open for more opportunities to set up business partnership with distributors worldwide and builds win-win channels for those who are willing to grow with SINEE.
EM303A Open Loop Vector Control Inverter
1-phase 220V+/-20%, 0.4 - 4kW
3-phase 220V +/-20%, 0.4- 200kW
3-phase 380V +/-20%, 0.75-400kW (standard)
Technical Features:
1. Control mode: V/F, SVC(sensorless vector control)
2. Debugging and set-up is simple, no special requirement for user's technical level.
3. Output frequency range：0.01~600HZ
4. Digital terminals: 7 inputs,3 outputs (2 for OC and other 1 for relay)
5. Analog terminal: 4 inputs, 2 outputs (0-10V / 0-20mA)
6. Automatic voltage regulation (AVR)
7.180% rated motor torque, no trip within 2 seconds.
8. Low Torque: 0.5Hz, 150% rated torque output.
9. 150% rated torque when acceleration and deceleration.
10.Support communication protocol ModBus 485 in RTU format.
11. Built-in braking register for standard inverter 0.75~15KW, 3 separate AC chokes on input side of 90~400kW
12. LED keypad for standard inverter.