3-40KVA Electric Inverter

Introduction: EF series power inverter is adopted with advanced technology and high-frequency pulse width modulation control of the CPU design of new inverter technology, high reliability, protection-function, small waveform distortion, etc..
It can be converted to 110V AC or 220Vac 50/60Hz, voltage, frequency stability, with pure sine wave AC power. The product has a high conversion efficiency. (At full load conditions up to 85%). As well as a strong non-linear load drive capability . The input voltage, current and output voltage and current monitoring for detection, in order to achieve maintenance-free guarded function.

Application: harsh enviorment such as :Electricity production, transformer substation, rail system, oil, gas, petrochemical etc ...

Main Features:

1. Fully advanced DSP technology
2. Inverter Priority
3. With AC bypass function
4. Manual bypass fail-safe design to avoid wrong operation
5. Output and battery insulated completely
6. Full protection,input low,high voltage, output overload, short circuit
7. Intelligent Large LCD display and easy maintenance
8. Smart RS232(SNMP CARD option), Dry contact;
9. parallel redundant (N+X), with common battery,MAX 6units;
10. Event log function,100events;

About  HRD ,founded in 2010 by a group of UPS experts, after more than 14 years fast development,HRD has grown into a large leading professional UPS manufacturer with ISO9001:2015 , ISO14001,ISO18001 certified

Based on  strong high level professional R&D team with own core technology in both hardware and software,HRD specially focus on   producing  middle and high level  quality  AC UPS, Industrial Charger&DC UPS, AC source, inverters and  customized power supply based on OEM and ODM.

Our  power products capacity range is from 600VA to 800KVA, and  have gained more than 60nos  inventive and innovative  patents.Also we have become  the only UPS manufacturer from China,which is able to produce  super reliable large capcaity indsutrial LF UPS up to 800kVA (parallel up to 8units)!

So far our products   have been exported to more than 40 countries , preferred by   many quality clients ,including by  world-class level brands etc etc... 

The  high quality UPS, Inverter ect power  products are also   successfully and widely used for the Chinese Army power system and let’s become one of the two appointed UPS supplier of the People’s Liberation Army General Armaments Department and appointed supplier of the central government of China ,too.

Our main products details as below:

Thanks to  2 large manufacturing bases of more than 20000 square meters in Bao’an District Shenzhen and Foshan Guangdong ,we make sure to deliver each  high quality product on time to our global clients.

With  the core competitive power behind HRD product --Quality, Service and Efficiency, has powerfully assisted HRD winning more and more global clients’ preference.

On the way of HRD’s rapid development, we have witnessed each development milestone with our clients.We look forward to creating and witnessing more legendary with you in power field!

We warmly welcome and expect your visit to HRD to negotiate muthual benefical business cooperation  in long term!

Our Motto:Professional, innovative, efficient and pragmatic

Mission: Produce high quality energy products and provide complete power solution to worldwide partners for middle and high end market;

Vision:To be a world-class company in energy  field.