SINAMICS S120 Cabinet Modules
Engineering Information
mounted in any specific sequence. If you wish the Booksize devices to be installed in the Base Cabinets in a
particular order, please notify your Siemens contact.
Booksize Base Cabinets are designed to function without a cabinet fan. When a protection class higher than IP21 is
selected, thermostat-controlled fans to support efficient air circulation are fitted. The fan is supplied via the auxiliary
supply busbar of the cabinet.
Please note the overload definitions applicable to units in Booksize format which differ to those for chassis power
units. For further information, please refer to the SINAMICS S120 chassis units catalog.
SINAMICS Engineering Manual - May 2008
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