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The purpose of electrical strength (also called Hi-Pot test) is to verify the electric strength of insulating materials used within the equipment are adequate. 

Requirement

Table 3 describe the differences between these three standard.  The equipment under test shall not exhibit any sign of arc or breakdown during the 1 minute test.

Maximum Input Voltage

I.T.E.

Medical Equipment

 

UL 1310 Equipment

125V

Primary to Secondary

2000Vac/ 2828Vdc

3000Vac

Primary to Secondary

1500 Vac

Primary to Ground

1000Vac/ 1414Vdc

1000Vac

Primary to Enclosure

1500 Vac

250V

Primary to Secondary

3000Vac/ 4242Vac

4000Vac

 

 

Primary to Ground

1500Vac/ 2121Vdc

1500Vac

 

 


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