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Calculation of required heating performance

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Please contact us by e-mail or phone if you need help with this calculation. We are happy to be of assistance.

1. Enclosure dimensions
H= mm
W= mm
D= mm
2. Enclosure position
a)  
b)  
c)  
d)  
e)  
f)  
g)  
h)  
i)  
j)  
k)  
l)  
Enclosure surface area: m2
3. Location of installation
4. Enclosure material
Heat transfer coefficient W/m2K
5. Temperatur differential

Variations in temperature (e.g. day-night, summer-winter, climate zones) have to be taken into account. Please enter the maximum temperature differential or determine the temperature differential in the enclosure based on the maximum allowable interior temperature (Ti) and the maximum expected ambient temperature (Tu):

Lowest ambient temperature °C
Desired interior temperature °C
Temperature differential K
6. Continuous stray power

The stray power (= self-warming) of all installed electrical load (e.g. transformers, relays, semiconductors, bus bars etc.) has to be taken into account if components are operated continuously.

Continuous stray power W
7. Calculation
Heat transfer coefficient W/m2K
Required heating performance W

 

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STEGO UK Ltd

Unit 12, First Quarter
Bus. Park
Blenheim Road
Epsom
Surrey KT19 9QN
England

Tel. +44 (0)1372 747250
Fax +44 (0)1372 729854

E-Mail: info(at)stego.co.uk

update:21. October 2009 14:16

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