Motech DS3640 User Manual page 42

(28) Protection shield of the output leads (DS6024/DS8018/DS10014):
WARNING:
This PRODUCT is designed meeting safety code and has
passed the related qualification test. To assure user the
consistency of safety, user should, after equipping DC
output cable according to field condition, follow the
Manual's suggestion to install the fixing sheets. In case no
output cable is connected, close the protection shield and
fasten the screws in so as to protect user from getting an
electric shock or other hazards.
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