• Surge Protection Basics w/ DITEK

  • Oct 31 2024
  • Length: 39 mins
  • Podcast

Surge Protection Basics w/ DITEK

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  • Summary

  • In this enlightening episode, we sit down with Mike, a 20-year veteran from DITEK, a leading American manufacturer of surge protection devices based in Largo, Florida. The conversation begins with a brief discussion about recent hurricane impacts in the Tampa Bay area, where DITEK maintains its 65,000-square-foot manufacturing facility. Mike shares how the company, despite facing challenging weather conditions, continued its operations and maintained its commitment to American manufacturing. The bulk of the discussion centers around surge protection technology and its critical importance in protecting HVAC systems and other electronic equipment. Mike provides an excellent analogy, comparing surge protectors to pressure relief valves for electrical systems. He explains how Metal Oxide Varistors (MOVs) work as semiconductors that create low impedance paths to ground when voltage exceeds certain thresholds. The conversation delves into the evolution of MOV technology, particularly the development of thermally protected MOVs that provide enhanced safety features. The episode also addresses common misconceptions about surge protection, particularly the belief that surge protectors are primarily for lightning protection. Mike explains that while lightning strikes are a concern, especially in areas like Florida, approximately 65% of surges actually originate from within facilities themselves, often from equipment cycling on and off or other power quality issues. He emphasizes the importance of proper installation, particularly regarding ground connections and lead lengths, noting that every six inches of wire length can add about 100 volts to the clamping voltage of the device. Key Topics Covered: DITEK's history and commitment to American manufacturingBasic principles of surge protection and how MOVs workEvolution of MOV technology and thermal protection featuresDifference between transient voltage and temporary overvoltage (TOV)Importance of proper grounding and lead length in surge protectionCascading surge protection strategy for comprehensive protectionUL testing standards and voltage protection ratings (VPR)Common misconceptions about surge protectionImpact of aging electrical infrastructure on power qualityImportance of customer support and ethical business practicesInstallation best practices for surge protection devicesRelationship between ground resistance and surge protector performanceTypes of surge protective devices (SPD) and their classifications Learn more about DITEK at https://www.diteksurgeprotection.com/. Have a question that you want us to answer on the podcast? Submit your questions at https://www.speakpipe.com/hvacschool. Purchase your tickets or learn more about the 6th Annual HVACR Training Symposium at https://hvacrschool.com/symposium. Subscribe to our podcast on your iPhone or Android. Subscribe to our YouTube channel. Check out our handy calculators here or on the HVAC School Mobile App for Apple and Android.
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