Electrical Safety Inspection
I-3
The following outlet conditions apply when performing the Earth Leakage test.
z
normal polarity( Normal Condition);
z reverse polarity( Normal Condition);
z normal polarity with open neutral(Single Fault Condition);
z reverse polarity with open neutral(Single Fault Condition).
LIMITS
For UL60601-1,
z
300 μA in Normal Condition.
z 1000 μA in Single Fault Condition.
For IEC60601-1,
z
500 μA in Normal Condition.
z 1000 μA in Single Fault Condition.
I.6 Enclosure Leakage Test
The following outlet conditions apply when performing the Enclosure Leakage test.
z
normal polarity( Normal Condition);
z reverse polarity( Normal Condition);
z normal polarity with open neutral(Single Fault Condition);
z reverse polarity with open neutral(Single Fault Condition);
z normal polarity with open earth(Single Fault Condition);
z reverse polarity with open earth(Single Fault Condition).
LIMITS
For UL60601-1,
z
100μA in Normal Condition.
z 300 μA in Single Fault Condition.
For IEC60601-1:
z
100μA in Normal Condition.
z 500 μA in Single Fault Condition.
I.7 Patient Leakage Current
Patient leakage currents are measured between a selected applied part and mains earth. All
measurements have a true RMS only.
The following outlet conditions apply when performing the Patient Leakage Current test.
z
normal polarity( Normal Condition);
z reverse polarity( Normal Condition),
z normal polarity with open neutral(Single Fault Condition);
z reverse polarity with open neutral(Single Fault Condition).
z normal polarity with open earth(Single Fault Condition);
z reverse polarity with open earth(Single Fault Condition).
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