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Manufacturer AC Frequency Changer Three-Phase 380V 7.5kw 11kw 15kw Inverter ISO CE Certificate

Manufacturer AC Frequency Changer Three-Phase 380V 7.5kw 11kw 15kw Inverter ISO CE Certificate

Tecoo, as an electronic manufacturing service provider, provides OEM and customization services for industrial inverters.

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Product Introduction

We has become a leader in the industry of box build assembly services, humidifier parts, Elevator controller board. Based on the business philosophy of innovation and pragmatism, we rely on technological progress to continuously upgrade our products to meet customer requirements. In the future, we will continue to work hard to improve product performance and quality according to customer needs. We sincerely look forward to your guidance and support. Our excellence is not only reflected in our performance, but also in our remarkable return on investment to our clients and our good market reputation. Facing the future, we will continue to provide high-quality products and satisfactory services to customers at home and abroad with the entrepreneurial spirit of unlimited innovation and inexhaustible power. Our company's vision is sustainable operation, dedication to the community and the establishment of an elite team.

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Industrial Inverter systems are used for rugged environments and designed particularly to safeguard critical loads in industrial applications. An galvanically isolationed transformer is used to isolate load from input supply. Otherwise, voltage transients, created by degraded mains supply, can seriously damage both inverter and the critical load.


The inverter converts DC voltage into pure sinusoidal AC voltage with constant amplitude and stable frequency. The unit works with an IGBT inverter bridge with PWM (pulse width modulation) having high efficiency in the partial load range as well as achieving a low distortion factor at non-linear load. Inverter output encompasses 6 IGBT modules, boosting the instant power capacity of the inverter by double fold with comparison to regular systems. This feature allows the inverter to handle higher capacity loads (inrush currents) with smaller capacity devices. In addition, switching at high frequency – 16KHz – keeps the output sin wave (THD) undistorted providing reliable solutions for nonlinear loads. On LCD panel all measurement values, real time base events and failures can be viewed and communicate remotely with RS485 port.

Industrial Inverter Features


IGBT (PWM) controlled inverter with high frequency switching to ensure no waveform distortion for reactive and nonlinear loads.

Galvanically isolated output (inverter transformer is standard, bypass transformer is optional) for maximum safety on critical loads

Thyristor controlled static bypass to ensure uninterrupted transfer between inverter and bypass source

Communication (Free alarm contacts, remote PC monitoring, Modbus, SNMP, Profibus, DNP 3.0 via RS 232, RS 485, USB or Ethernet TCP/IP ports)

●Manual Bypass with 3 positions

●LC Filter for DC Input

●Electronic Over / Under Voltage, Over Current and Short Circuit Protections

●Parallel Redundant Operation (Optional)

●Internal Over Temperature protection

●LCD Panel with Mimic Diagram and LED Indication

●Event History for all Electrical values and failures

●8 units Free Alarm Contacts

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We are willing to win more partners with high-quality performance of our Manufacturer AC Frequency Changer Three-Phase 380V 7.5kw 11kw 15kw Inverter ISO CE Certificate and service quality, and take shaping, upgrading and consolidating brands for customers as our unremitting efforts. Since the products were put on the market, they have not only been loved and praised by domestic customers, but also exported to Southeast Asia and other countries and regions. We implement one-stop process management of pre-communication, mold design, production, mold trial, etc.

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