chinatown 发表于 2017-1-7 10:59

DSH 1035

Question
In which way shall the temperature rise test be carried out on a device composed of two or more
switches, having the same or different pattern number mounted on a common body?
The construction is allowed in note 1 of sub-clause 7.1.1, but the testing conditions are interpretable
in different ways in clause 17.1.
Decision
The temperature rise test shall be performed separately on each individual switch on condition that it
is a single-phase switch.





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