Barrel Heaters - Hasmak.com.tr

Power ControllersCase HistoryPower Controllers ProveHigh Reliability for HighAmbient ApplicationProblem:Dairy Blowmolding Specialists wasexperiencing failures in their singleand three-phase SCR relays fromanother supplier. Watlow wanted tounderstand the reason for the failurebefore sampling a solution, soWatlow offered to assist indiagnosing the problem.After evaluating a failed unit, it wasestablished that although DairyBlowmolding Specialists had takensteps to keep the ambienttemperature in the enclosure belowthe <strong>com</strong>petitor’s rating, the unit hadfailed due to overtemperatureSolution:Watlow sampled a 22 mm (0.86 in.)SERIES CZR for their single-phaseapplication. The extra spaceprovided by the controller’s smallfootprint, in addition to the superiorinternal heat transfer, ensured theSERIES CZR’s chance for survival.Dairy Blowmolding Specialistspurchased Watlow’s DIN-A MITE ® Bfor their three-phase application.Both power controllers are stockitems and were available to ship thesame day.Dairy Blowmolding Specialists andWatlow are pleased with the results.Both power controllers are perfectfits for the application and haveproven to be reliable. Six monthsafter installation there are zerofailures.290