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MOOP and MOPP

The difference between MOOP and MOPP in IEC60601-3rd edition for medical switching power supply.

New IEC60601-1 3rd version catagorized into MOOP and MOPP. IED60601-1 is the global medical equipment standard. The concept of Means of Protection (MOP) lead to IEC60601-1 3rd, which divided into MOPP(Means of Patient Protection) and MOOP(Means of Operator Protection).

According to it, Some countries reorganized to their own standards, like

USA: ANSI/AAMIES 60601-1:2005

EU:  EN60601-1: 2005

Canada: CSA-C22.2 No. 60601-1:08

We listed the differences as below:

classifications

isolation

Creapage/clearance

insulation

1*MOOP

1500VAC

2.5mm/2mm

basic

2*MOOP

3000VAC

5mm/4mm

double

1*MOPP

1500VAC

4mm/2.5mm

basic

2*MOPP

4000VAC

8mm/5mm

double

When equipment is used at laboratory and not touch patient, it's enough for power supply to meet 2*MOOP. Meanwhile, the highest level 2*MOPP can be used for patients.

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