Siemens FS20 Mounting & Installation page 283

Building Technologies
Fire Safety
1 Carrier (19", power supply)
2 Clamps for securing to the DIN rail
3 Mounting slots for right-hand retaining bracket
4 Additional third power supply (150 W), slave
5 Power supply (150 W), slave
6 Power supply (150 W), master
7 Primary terminals with main switch
8 Clamping screw M3 x 6 for third power supply (150 W)
9 Retaining bracket for power supply
10 Mounting slots for left-hand retaining bracket
11 DIN rail for power supplies
12 Secondary terminals
A Detailed view of rear power supply
B Detailed view of fixing retaining bracket
1. Install the power supply (150 W) (4) in the topmost position by hanging the
power supply on the DIN rail (11) at an angle from the side.
2. Push the power supply (4) back until the two clamps (2, detail A) snap onto the
DIN rail.
3. Slide the retaining bracket (9) into the front mounting slots (10). Note the cable
duct. If the carrier (19", power supply) is installed on the right-hand side of the
housing, slide the retaining bracket (9) into the front mounting slots (3).
4. Screw the clamping screw (8, detail B) into the retaining bracket (9) and lock
the power supply.
5. Wire up the third power supply according to the following chapter.
Mounting and installation FC2080
Installing the power supply kit (150 W, B)
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2016-01-27