Siemens SINAMICS S120 Combi Equipment Manual page 113

Table 4- 18 Mounting accessories
Number Designation
5 Self-clinching flush head studs M4, steel, strength class 8.8, zinc-plated, length: 15 mm
5 Nut
The reinforcement plates must always be installed when operating the S120 Combi with the
external fan unit.
Physical injury during operation without reinforcement plates
Operating without the reinforcement plates can result in an excessively high heat sink
temperature and cause the S120 Combi Power Module to prematurely trip.
Contact with hot parts may cause you to suffer a burn injury.
• Only operate the S120 Combi with reinforcement plates.
WRONG: S120 Combi and external fan unit
without reinforcement plates
SINAMICS S120 Combi
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5
CAUTION
Specification
M4, steel, strength class 8, zinc-plated
CORRECT: S120 Combi and external fan unit
with installed reinforcement plates
S120 Combi Power Modules
4.7 Installation
113