User Manual
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switches, socket outlets in the xed installation, and stationary motors with permanent connections
to xed installations.
Measurement Category IV:
This category refers to origin of installation or utility level measurements on primary over-current
protection devices and on ripple control units.
Rated Voltage
IEC 61010-1 2nd Edition UL 61010B-1 (UL 31111-1)
CAT IV CAT III CAT II CAT III CAT II CAT I
150V 4,000V 2,500V 1,500V 2,500V 1,500V 800V
300V 6,000V 4,000V 2,500V 4,000V 2,500V 1,500V
600V 8,000V 6,000V 4,000V 6,000V 4,000V 2,500V
1,000V 12,000V 8,000V 6,000V 8,000V 6,000V 4,000V
Resistance 2 ohms 2 ohms 12 ohms 2 ohms 12 ohms 30 ohms
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