Electroalfa

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Low voltage three phase selective box

The selective box is used in low voltage distribution networks to provide selective and
sensitive protections to short circuit currents, after the fitting point, before the end of line and its derivatives.

Technical data
Thermal and usage rated current maximum 250A
Rated voltage 400/ 230 V c.a.
Insulated voltage 690 V c.a.
Rated frequency 50 Hz
Normal protection degree IP 54

 

Technical data extended text: Power distribution and metering equipment’s (.pdf)


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