About Us

About Us

The UPS Division


Based in the Pittsburgh, PA region the UPS Division for Mitsubishi Electric US is a business unit of Mitsubishi Electric Power Products Incorporated (MEPPI). Mitsubishi Electric has been manufacturing precision engineered highly reliable Uninterruptible Power Supplies since 1964 and solving the challenges of American critical facilities since 1985. UPSD's operations include Project and Application Engineering, Design Engineering, Service, Technical Support, Manufacturing and Warehousing, Quality, as well as Sales and Marketing.           

Manufacturing Facilities

MEPPI UPSD based in Warrendale, PA continually advances the design, manufacturing, and supply of fully integrated UPS solutions including switchgear and battery cabinets. With these operations, Mitsubishi Electric can better serve the rapidly growing needs of North and Latin American data centers and mission critical enterprise facilities. UPSD maintains robust product inventory for rapid deployment, a fully-equipped training facility, and two test labs with 3 MW resistive and 375 kVA reactive load banks. The test labs are available for demonstrations, factory witness tests, and training courses.


Our Customers

Explore who we work with and learn more about our customers' stories


Our Customers

Explore who we work with and learn more about our customers' stories




Mitsubishi Electric Power Products Inc. (MEPPI) is the U.S. subsidiary of Mitsubishi Electric Corporation responsible for serving the North American power systems, rail transportation, and entertainment industries with electrical and electronic products, systems and services. The Uninterruptible Supplies Division is one of ten divisions under the MEPPI umbrella and is comprised of an experienced team whose mission is to provide products and services to meet customer requirements and exceed expectations, through superior quality and continuous improvement.  Over the years, MEPPI has built an outstanding reputation  leading supplier of high quality equipment, systems, and services to electric utilities, transportation, entertainment, and power quality markets. www.meppi.com



Mitsubishi Electric Corporation

Mitsubishi Electric Corporation, more simply known as MELCO, is one of the world's leading names in the manufacture and sales of electrical and electronic products and systems used in a broad range of fields and applications. As a global, leading green company, Mitsubishi Electric applies their technologies to contribute to society and daily life around the world. Mitsubishi's corporate statement, "Changes for the Better," encapsulates the corporate aspiration to lead the way to a brighter future through innovation. For the past 90 years, Mitsubishi Electric has been a demonstrated leader with leading edge technologies. Mitsubishi Electric is the parent company of multiple US subsidiaries and divisions with nearly 4,000 employees in more than 50 locations throughout North America including MEPPI UPSD.  www.mitsubishielectric.com



Mitsubishi UPSs are certified to a number of safety, seismic, and emergency specifications. Refer to the specific product pages for applicable certifications.


UL 1778 is UL's standard for uninterruptible power supplies to ensure continuity of power supply. 


UL 924 is UL's standard for emergency lighting and power equipment.


Energy Star is a government backed labeling program that helps people and organizations save money and reduce greenhouse gas emissions by identifying factories, office equipment, home appliances and electronics that have superior energy efficiency.  


OSHPD Preapproval of Manufacturer's Certification is a voluntary program for review and preapproval of seismic design of supports and attachments for nonstructural components to be used in health facilities construction in California. OSHPD is an acronym for California's Office of Statewide Health Planning and Development. 




The Mitsubishi Electric Corporation and its subsidiaries aim to make lasting social contributions as a global, leading green company. To this end, state-of-the-art technologies and accumulated expertise are applied in a wide range of business segments while pursuing initiatives for creating a vibrant and energy conscious society.




MEPPI is headquartered in Warrendale, PA, a suburb of Pittsburgh, with a national workforce of over 900 employees. MEPPI employees enjoy competitive salaries, commensurate with qualifications and experience, as well as numerous comprehensive benefits. Check the MEPPI website for information on current employment opportunities.



The Uninterruptible Power Supplies Division is excited to announce the Merchandise Store! By clicking the button below, you will be redirected to the store via a third party distributor. Once in the store, you will have access to a variety of Mitsubishi Electric-branded items including:


  • Apparel
  • Drinkware
  • Office supplies
  • Bags
  • and much more!