janitza UMG511 Installation And Commissioning Manual page 20

Power quality analyser

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Table of Contents

Voltage measurement inputs

The UMG511 has 4 voltage measurement in-

puts (V1, V2, V3, V4)

Excess voltage

The voltage measurement inputs are suitable

for measurement in networks in which over-

voltages of the overvoltage category 500V

CATIII occur.

In case of a three wire main measu-

rement (input V1-V3), the auxiliary

measurement (input V4) cannot be

used as measuring input.

Installation

N PE

Fig. connection example for voltage measure-

ment

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