01
Understanding Ratings for R-Class PDU Transformers in 24-Hour Control Sites
Understanding Ratings for R-Class PDU Transformers in 24-Hour Control Sites A good power setup starts with a clear job. In 24-hour control sites, one wrong choice can raise heat, add faults, or make daily work hard. A 24-hour site has few quiet slots for service. A well sized PDU transformer is only part of the answer. The wire plan, heat, guards, and tests must also fit the way the site runs. R-Class insulation and an R-core shape are two different design terms.