Global Presence, Power Electronics Focus

SL Power Electronics (a subsidiary of Handy & Harman LTD.) is a global leader in the design, manufacturing and marketing of differentiated internal and external AC/DC and DC/DC power conversion solutions for demanding Medical, Test & Measurement, LED Lighting, Audio/Visual, Information Technology Equipment, Data/Telecom, Industrial and other OEM applications. For more information, visit

Handy & Harman Ltd. (HNH) is a diversified manufacturer of engineered niche products with leading market positions in many of the market segments it serves. Through its wholly-owned operating subsidiaries, HNH focuses on high value products and innovative technology and serves customers globally across a wide range of end markets.

California, USA
Divisional Headquarters

SL Power Electronics divisional headquarters are located in Ventura, California. This facility is responsible for management of divisional global environmental initiatives, sales and marketing, finance, engineering, quality assurance, and logistics and manufacturing.

This location is also responsible for administration of certification programs including ISO9001: 2008, regulatory-agency-related in-house testing programs.

Massachusetts, USA
Field Applications, Sales and Technical Support Center

SL Power Electronics technical support center provides sales and technical support to end users and potential customers. The center has hardware testing support facilities for customer application, troubleshooting help, hardware applications recommendation and coordination of global field applications engineering.

Mexicali, Mexico
High-Mix Production

SL Power Electronics has manufactured in Mexico for over 20 years. Our Mexicali facility is certified to ISO9001: 2008 and manufactures products from 1 to 5kW and 1 to 12 outputs. Over 250 people at employed at this 66,000 sq. ft. (6.1 km2) factory.

Operations capabilities include production, logistics planning, procurement, engineering, pilot lines for new product introduction, quality assurance, and returned materials processing.

Xianghe, China
Mid to High-Volume Production

Our China production facility is located in Xianghe City in HeBei Province and manufactures in excess of three million units per year with a model mix of over 500 unique finished-goods part numbers.

Over 350 people are employed at this 108,000 square foot (10 km2), ISO9001: 2008 certified factory. Power Electronics has manufactured in China for over 20 years and currently has plans underway to develop a new factory.

Shanghai, China
R & D and International Sourcing

This facility was opened in 1998 and currently employs over forty people. The missions of this location include providing local support for our Asian customers and to assist with international component sourcing.

An experienced staff, and extensive capital equipment investments, provide a broad range of product assessment capabilities including in-house UL-approved safety testing, functional and reliability assessments, and electro-magnetic compatibility analysis.