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Founded in 2002, Hartland Controls LLC has grown rapidly to become a premier provider of custom electrical control solutions and engineered assemblies. Hartland Controls specializes in the design and manufacture of mission critical electrical contactors, class II transformers, capacitors, relays, auxiliary switches and configured assemblies. The cost-effective electrical controls we bring to market are used in HVAC, refrigeration, overhead door, irrigation, welding, water heating, pool and spa, vehicle charging and other aftermarket applications that require reliable starting and safe stopping. Hartland Controls engineers, manufactures and tests electrical components in our Rock Falls, Illinois and Shanghai, China facilities to the most rigorous domestic and international standards. In 2021, we became a part of Littelfuse, Inc.