Siemens SINAMICS G120 Hardware Installation Manual page 45

Brake Relay specifications
Input voltage
Input current
Max. conductor cross-section
Degree of protection
Switching capacity of the NO
contact
Output voltage
Output current
1) External controlled power supply is necessary. Recommended voltage: DC 26 V
Replacing a Cooling Fan
The power modules have been designed to allow the cooling fans to be replaced. The
procedure how to replace a fan is described in the following. Furthermore an illustrated
description is part of the fan package.
1. Power-down the inverter.
2. Remove the Control Unit from the inverter.
3. Disconnect all the cables from the Power Module.
4. Remove the fan cover.
5. Release the fan cable connectors.
6. Slide the cooling fan out from the inverter.
7. Fit the new cooling fan into the fan housing area (make sure that the arrow on the fan is
8. Re-attach the fan cable connector(s).
9. Replace the fan cover.
10.Reconnect all the cables to the Power Module.
11.Reattach the Control Unit.
12.Check that the installation is correct and safely installed.
13.Apply power the system.
14.Check that the cooling fan(s) are running correctly.
Power Module PM260
Hardware Installation Manual, 08/2013, A5E01171966B AD
pointing upwards) .
Brake Relay
connected to the internal power
supply of the Power Module
2.5 mm²
IP20
1 AC 440 V, 3.5 A
1 DC 30 V DC, 12 A
-
-
Spare parts/Accessories
Safe Brake Relay
DC 20.4 ... 28.8 V 1)
Max. 2.5 A
2.5 mm²
IP20
-
24 V
max. 2 A
45