Among those specifying, recommending, and/or buying AC to DC power supplies, 74% do so for in-plant requirements, while 47% buy for OEM needs
Executive Summary
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One-third of those surveyed report both continuous and batch processing as their primary applications for AC to DC power supplies. 
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Reliability is clearly the key to control engineers when choosing a specific AC to DC power supply. 
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Four in five respondents feel product quality is a very important consideration when selecting an AC to DC power supply manufacturer. Delivery is the second most important factor, with 59% of the vote. 
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Relay (contact) output is the most important power supply communication method. 
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