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User’s Manual IUPS-401-Series
2. Safety
Please observe the installation instruction and the following safety warnings.
1. Installation and connection of the IUPS must only be carried out by a qualified
electrical technician. The relevant rules of electrical engineering must be observed.
For powering the UPS units only the included power cord must be used.
2. The IUPS is only approved for installation and operation in a chassis. Before the
installation disconnect mains and make sure that the system is voltage-free.
3. During the installation make sure the IUPS is safely mounted. Only use the
included screws for mounting the unit. Make absolutely sure that no screws that
are longer than the included ones are used.
4. The batteries must only be exchanged by a qualified electrical technician.
5. Make sure that the combined leakage current of the IUPS and the connected
consumer load does not exceed 3.5 mA.
Warning, danger of electric shock!
Even when mains is disconnected components within the
UPS are supplied by the battery and contain dangerous
voltages. For any work at the unit disconnect the internal
battery connectors.
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