ZBB Energy Corp. (ZBB) Receives ETL Certification Equal to UL Standard 1741 for 125 kW Grid-Tie Inverter Module

ZBB Energy announced today that Edison Testing Laboratories (ETL), a Nationally Recognized Testing Laboratory (NRTL), has certified that its 125 kW Grid-Tie Inverter Module complies with ETL’s safety and quality standards, standards that are modeled to match UL standard 1741. ZBB’s 125 kW Grid-Tie Inverter Module 125 kW is part of ZBB’s EnerSection™ power and energy control center. The 125 kW grid-tie inverter is a device that allows stored direct current (DC) energy to be converted to alternating current (AC) energy and put back on a power grid.

NRTL status tells all customers that the services performed by these companies, to list or to label products, is reliable and legally binding throughout the United States. ETL, originally known as Edison Testing Laboratories, is an old, respected, nationwide testing group with credibility equal to UL. Therefore, an ETL listing label is legally binding nationwide and instills equal consumer confidence in the manufacturer that they have cared enough to submit their products to the rigorous safety compliance process and achieved the right to apply an NRTL label that certifies compliance assurance.

The ETL testing of the 125 kW grid-tie inverter for compliance with the UL 1741 standard was performed by Intertek Testing Services. The UL 1741 standard incorporates Institute of Electrical and Electronics Engineers (IEEE) 1547 requirements for the interconnection of distributed generation (DG) resources. This certification signifies that ZBB’s 125 kW inverter module meets, or exceeds, all of the product safety standards for connection to a utility power grid anywhere in the United States or other countries where UL standards are accepted. Earlier this year, ZBB’s 25kW inverter modules received similar ETL certification.

Asked to comment on receipt of the ETL certification, Eric C. Apfelback, President and CEO of ZBB Energy, said, “We recently announced and field labeled two ETL 125 kW inverters in Chicago which are currently in service for the Illinois Institute of Technology’s micro grid project. This final certification is a significant milestone because it allows us to manufacture, test and certify that all 125 kW units shipped from our facility are ETL listed to UL 1741. This certification allows us to ship our 125 kW inverters to projects in China, Hawaii and North America.”

The ZBB EnerSection is a market leading product that converts AC power to DC power. It is a modular, controllable, bi-directional, hybrid power conversion platform that intelligently integrates, manages, and optimizes multiple renewable and/or conventional power generation sources simultaneously while incorporating energy storage. Its multiple configuration design integrates many AC and DC power generation sources discreetly with one or more types of energy storage units with any combination of utility grid-tie inverters, stand-alone inverters for off-grid AC power, and/or DC outputs to provide DC power.

Currently, customers have a need for grid-tie inverters rated at 25 kW and 125 kW, so ZBB will focus its efforts on products rated to those levels. ZBB will schedule a later date for introduction of the 60 kW inverter when a market need is firmly established.

ZBB Corp. is a leading global designer of intelligent and renewable energy systems. The company designs, develops, and manufactures distributed energy storage solutions based upon the proprietary zinc bromide rechargeable electrical energy storage technology in the United States and internationally. ZBB markets its power systems under the ZESS POWR name. The company provides advanced electrical power management platforms for distributed renewable energy, energy efficiency, power quality, and grid modernization. It also offers a portfolio of intelligent power management platforms that integrate various renewable and conventional onsite generation sources with rechargeable zinc bromide flow batteries and other storage technology. In addition, the company provides advanced systems to connect wind and solar equipment to the grid and systems, which could form various levels of micro-grids.

To learn more about the company, visit www.zbbenergy.com

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