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What is the difference between a Class 10 and Class 20 Power Meter?

The class system is clearly defined by ANSI C12.1:

Class
Max Current
Meter
Type
Test Current
F/L
L/L
50%PF
10
10A
Instrument-Rated
2.5A
0.25A
2.5A
20
20A
Instrument-Rated
2.5A
0.25A
2.5A


Last Revised: November 19, 2007
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All content © 1992-2007 Schneider Electric

Legacy KB System (APS) Data: RESL189300 V1.0, Originally authored by KBAdPM on 11/20/2007, Last Edited by KBAdPM on 11/20/2007
Related ranges: Standards Applied to Power Management PRODUCTS

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