ENS 51938: Difference between revisions
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| event date = 05/17/2016 CDT | | event date = 05/17/2016 CDT | ||
| last update date = 05/17/2016 | | last update date = 05/17/2016 | ||
| title = Part 21 Report - Defect | | title = Part 21 Report - Defect in a Signal Converter Transformer | ||
| event text = The following report was received from the manufacturer via fax: | | event text = The following report was received from the manufacturer via fax: | ||
Nutherm International, Inc. reported on a defect found in "Moore Industries SCT Signal Converter (Part Number SCT/4-20MA/10-50MA/117VAC/UB) based upon the failure analysis of a failed component. The conclusion was that the wire insulation in T2 transformer was damaged by the transformer manufacturing facility during assembly. This damage reduced the insulation resistance and dielectric breakdown between the windings of the transformer. These damaged transformers were subsequently installed by Moore Industries into the signal converters. The failure of the transformer resulted in early, catastrophic failure of the signal converter. | Nutherm International, Inc. reported on a defect found in "Moore Industries SCT Signal Converter (Part Number SCT/4-20MA/10-50MA/117VAC/UB) based upon the failure analysis of a failed component. The conclusion was that the wire insulation in T2 transformer was damaged by the transformer manufacturing facility during assembly. This damage reduced the insulation resistance and dielectric breakdown between the windings of the transformer. These damaged transformers were subsequently installed by Moore Industries into the signal converters. The failure of the transformer resulted in early, catastrophic failure of the signal converter. |
Latest revision as of 21:45, 1 March 2018
Where | |
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Nutherm International, Inc. Mount Vernon, Illinois (NRC Region 3) | |
Organization: | Nutherm International, Inc |
Reporting | |
10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
Time - Person (Reporting Time:+10.85 h0.452 days <br />0.0646 weeks <br />0.0149 months <br />) | |
Opened: | Thomas Sterbis 15:51 May 17, 2016 |
NRC Officer: | Karl Diederich |
Last Updated: | May 17, 2016 |
51938 - NRC Website | |