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Single-phase Watt-hour Meter Callout: 220V

- Jul 19, 2017 -

The three-phase table has three kinds of labeling methods:

A. Direct access type three-phase tri-Wire: 3x380v

B. Direct access type three-phase four line: 3x380/220v

Watt-hour meter constant: the ratio of electric energy recorded by Watt-hour meter to rotary number or pulse number: r/kwh; imp/kwh

Rated Frequency: 50Hz

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