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Switchgear temperature rise

Switchgear temperature rise

Switchgear temperature rise

(OP)
Anyone any guidance on how to keep the temperature rise of an LV (400V) Switchgear cubicle below 60K (ambient 35 deg) for UK use. I need to know how to calculate current carrying capacity of copper and ensure that the cubicle has sufficient venting to keep temp down. Any advice would be well appreciated.

RE: Switchgear temperature rise

QUESTION: Anyone any guidance on how to keep the temperature rise of an LV (400V) Switchgear cubicle below 60K (ambient 35 deg) for UK use.

ANSWER: One way is monitoring the temperature providing alarm or switch to start the cooling system.

Check if the enclose monitoring device could work for you.

http://www.squared.com/us/services_support/squared...$file/WirelessTemperatureMonitoring.pdf

QUESTION: I need to know how to calculate current carrying capacity of copper and .......
ANSWER: For temperature rise calculation guidance, see standard DIN EN 60439-1 or other relevant standards. There is good information in section 4.4 of the ABB Switchgear Manual 10th edition.

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