Thursday, 8 December 2011

My supplier of integrated power supplies is not ready to offer a 3Ed compliant power supply early enough. What options do I have to make my MEE / MES 3 Ed compliant?


There are several options, such as:

1. Look for a 3rd edition compliant power supply from a different supplier.
2. If only a Means of Operator Protection (MOOP) is required: it is allowed to use a power supply that complies with EN 60950-1:2005. In addition to the barrier requirements for MOOP according EN 60950, the 3rd edition contains additionally applicable requirements like leakage currents etc.
3. If MOPP is required: If the MEE or MES contains a 2Ed approved power supply, then this power supply needs to undergo a delta testing to 3Ed 60601-1.

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