DSH 759 Internal clearances of optocouplers when used in high altitudes
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Internal clearances of optocouplers when used in high altitudes
2.10.5
60950-1(ed.1) & 60950-1(ed.2)
Question: Is it necessary to apply altitude correction to internal clearances of optocouplers? Decision: IEC 60950-1:2005: Only optocouplers that comply with 2.10.5.5 c) are internally not affected by altitude. IEC 60950-1:2001: Only optocouplers that comply with subclause 2.10.8 are internally notaffected by altitude.
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