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Ametek Solid State Controls produces AC-DC … Ametek Solid State Controls produces AC-DC power supplies that are used at several nuclear power plants. Ametek states that its Series AC-DC power supplies may have a problem with premature failure. The specific Model Numbers affected are as follows:</br>85-RP1510-00</br>85-RP4804-00</br>85-RP4808-00</br>85-RP DUAL-4807\1</br>Ametek states that an intermittent loss of continuity in a magnet wire connector may cause overheating in a lug and transformer which could eventually result in a premature failure of the power supply ( within approximately two years of initial service). The problem was discovered during testing of a power supplies by Ametek. No nuclear power plants have reported any problems with the power supplies.</br>Ametek states that its records indicate that these power supplies were supplied to Braidwood, Byron, and DC Cook. </br>Ametek believes that the power supplies are used for control rod instrumentation. A total of 33 power supplies have been sold but Ametek believes that most of these are not in service. Ametek recommends that these power supplies either be returned to Ametek for rework or that the affected sites request a service by an Ametek representative onsite.ervice by an Ametek representative onsite. +
04:00:00, 7 June 2005 +
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Ametek Solid State Controls produces AC-DC … Ametek Solid State Controls produces AC-DC power supplies that are used at several nuclear power plants. Ametek states that its Series AC-DC power supplies may have a problem with premature failure. The specific Model Numbers affected are as follows:</br>85-RP1510-00</br>85-RP4804-00</br>85-RP4808-00</br>85-RP DUAL-4807\1</br>Ametek states that an intermittent loss of continuity in a magnet wire connector may cause overheating in a lug and transformer which could eventually result in a premature failure of the power supply ( within approximately two years of initial service). The problem was discovered during testing of a power supplies by Ametek. No nuclear power plants have reported any problems with the power supplies.</br>Ametek states that its records indicate that these power supplies were supplied to Braidwood, Byron, and DC Cook. </br>Ametek believes that the power supplies are used for control rod instrumentation. A total of 33 power supplies have been sold but Ametek believes that most of these are not in service. Ametek recommends that these power supplies either be returned to Ametek for rework or that the affected sites request a service by an Ametek representative onsite.ervice by an Ametek representative onsite. +
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Part 21 Report Involving a Potential for Premature Failure of Control Rod Instrumentation Power Supply +
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