Siemens Simatic S7-400 - Manual (Page 417)

Cable Duct and Fan Subassemblies
9-5
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
9.3 The 120/230 VAC Fan Subassembly;
(6ES7408-1TB00-0XA0)
Operator Controls and Indicators on the 120/230 VAC Fan Subassembly
LEDs F1, F2, F3 Quick-release lock
Relay contacts
1, 2, 3
Relay contacts
4, 5, 6
Voltage
selector switch
Fuse
compartment
Figure 9-3 Controls and Indicators of the Fan Subassembly 120/230 VAC (6ES7408-1TB00-0XA0)
Fuse
Included in this fan subassembly are standard cartridge fuse links,
5 x 20 mm, conforming to DIN
• 250 mAT for 120 V
• 160 mAT for 230 V.
The fuse for the 230 V range is already installed on shipping from the factory.
Note
If you change the voltage range, you must also insert the fuse for this voltage
range in the fan subassembly. You will find a description of how to change the fuse
in the Installation Manual, Chapter 9.