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Pfullingen/Fort Collins – REFU will showcase flexible rooftop solutions with rapid shut down compliance as well as DC-coupled storage solution at Solar Power International (SPI) in Las Vegas. It is being held from 10th to 13th September 2017. You will find REFU in Exhibit Hall, booth number 4809.


The REFUsol 24K-UL and 48K-UL string inverter presented at the show are especially suited for commercial rooftop systems convincing with installation simplicity and best in class performance. With different positioning options, the devices offer great design flexibility and help customers overcome headwinds in the commercial rooftop market. The devices are passively cooled and therefore virtually maintenance-free and have an impressively long lifetime. When combined with the MidNite Solar SOB (Shut-off Box), customers can easily deploy a code compliant and proven rooftop solution without sacrificing cost competiveness. The string inverter range will be extended in 2018 with a 100kW string inverter for 1,000VDC as well as 125 kW/ 1,500VDC device.

“Since our inception in 1965, REFU has always been at the bleeding edge of technology. We have been for example the first to introduce 1500V inverter as early as 2011”, states Ken Christensen, Managing Director of REFU Inc. “Our latest solutions for commercial rooftops and our future products are no exception. We think customers are going to be thrilled, and we are eager to forge deeper partnerships with our clients”.

REFU will also highlight a joint REFU-Ampt solution for DC-coupled storage systems. The highly scalable solution delivers system cost and performance advantages to customers seeking to capitalize on new revenue streams and value propositions opened up by energy storage, including PV self-consumption, demand charge reduction/peak-shaving or time-of-use energy cost management. The solution enables the addition of storage to already planned or installed systems without changing the AC characteristics of the PV system, and is 100% ITC eligible.

“We are happy to underline with this solution once again our focus on addressing customers' challenges with simple and effective solutions”, says Mr. Ralf Betkerowitz, CEO of REFU Elektronik GmbH.



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