The Meter Mains catalog number QC816F150C, and QC816F200C have a sticker that reads 120/240V single phase three wire, and 208/120V single phase three wire from a four wire Wye system. How can they work on a 208V three phase system?

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Issue:
Application

Product Line:
CSED

Cause:
Voltage

Resolution:
These CSED devices can be fed by using any two phases and neutral of a three-phase 208Y/120Vac Wye system, which will provide 120/208Vac 1 Phase/3 Wire voltage to the device. A 5th jaw is required if using on 120/208V 1 Phase/3 Wire; order catalog number 5J.