User's Manual

Danger to life due to electric shock
Under fault conditions, when working on the power supply circuit there may be dangerous
voltages present on the product.
• With permanently connected power supply units, ensure that there is a disconnection unit
(e.g. circuit breaker) present outside of the power supply unit.
• With pluggable power supply units, ensure that the outlet for the power supply unit is close
to the power supply unit.
• The disconnect unit and the outlet for the power supply unit must be freely accessible at all
times.
Danger of fire due to incorrect installation
• Have the product mounted, installed and commissioned only by qualified persons with the
appropriate skills.
• Never open the product.
Damage to the product due to moisture
The product is not splash-proof (IP20 (NEMA 1)). Moisture can penetrate the product and
damage it.
• Only use the product in a dry, indoor environment.
Damage to the product due to condensation
If the product is moved from a cold environment to a warm environment, condensation may form
in the product.
• When there is a large temperature difference, wait for the product to reach room
temperature before connecting to the voltage supply.
• Make sure the product is dry.
2 Safety
SMA Solar Technology AG
Quick Reference Guide 7IND-US-10-IS-xx-10
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