Pre-Switch Mode Power Supply 300 W - Siemens SINAMICS G180 Installation And Operating Instructions Manual

3.3.15

Pre-switch mode power supply 300 W

General information
The pre-switch mode power supply is used to supply switch-mode power supplies and fans
from the DC link of converters or a comparable PC source (e.g.: UPS) The power supply can
be used to buffer the line supply for a short period of time.
Designation
Material number
Inputs
Rated input voltage UD+/UD-
External supply -X1
Control voltage, fan -X32
Outputs
SNT 300 V X4
fan 24 V
Max. output power
Dimensions (L * W * H)
weight
ambient temperature
Figure 3-12
Installation and Operating Instructions SINAMICS G180
Operating Instructions, 02/2019, 4BS0751-007
PC board of the pre-switch mode power supply (pre SMPS 300W)
PC board pre-switch mode power supply 300W
L0329237 (main PC board with small mounted PC
board L0329239)
250 ... 1300 V DC (switched on above 150 V,
switched off < 100 V and > 1500 V)
230 V AC (is switched-on, if 300 V DC < 250 V,
switched off for > 270 V)
Controlling the fan voltage X11 with 0 V/15 V/24 V
(10 ... 15 ... 19 V > 12 V, 20 ... 24 ... 30 V ... > 24 V)
300 V ± 25 V/1 A/300 W (basic insulation)
24 V ± 2 V/8 A/192 W (protective separation)
X11:1, 2: fan (0 V/12 V/24 V)
X11:1, 3: +24 V DC
300 W
200 * 120 * 40 mm
0.8 kg
-20 ... 60 °C
Description
3.3 Accessories
65