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## how to calculate electrical need for network devices   Frequent Contributor

I was asked by the electrical team how much electricity my network cabinet needs in a new location , so let us say i have 2 switches that each have one psu that draws 350W. That means I'm supposed to tell them i need 350+350=700w?

1 Accepted Solution

Accepted Solutions    VIP Engager

there is a relation between the three parameters
you can calculate Watt as Volt * Ampere, Volt is a given in your country
in countries with 110Volt Ampere is about twice that of countries  with 220Volt

-> total Watt is mostly sufficient

3 Replies 3    VIP Community Legend

yes if the device fully populating that is a power requirement, you can also see in the product datasheet.

***** Rate All Helpful Responses *****   Frequent Contributor

so electrical technician need the total Watt number not the volt or ampere?    VIP Engager

there is a relation between the three parameters
you can calculate Watt as Volt * Ampere, Volt is a given in your country
in countries with 110Volt Ampere is about twice that of countries  with 220Volt

-> total Watt is mostly sufficient Getting Started

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