Siemens SINAMICS GL150 - Grounding Switch with Disconnector at the Drive Input (Option N48); Grounding Switch with Disconnector at the Converter Output (Option N49); PVDF Piping (Option W21)

3.5.37 Grounding switch with disconnector at the drive input (option N48)
The disconnector is located in such a way that it isolates the drive from the supply system when
it is switched off. The line side (A) or the converter side (B) of the disconnector is short-circuited
and grounded using the motor-operated grounding switch.
A Line-side grounding switch
B Drive-side grounding switch
Figure 3-15 Option N48
Pushbuttons installed in the power unit door are used for actuation purposes. Controlling this
disconnector and grounding switch is interlocked with the operating state and the switch-on
control of the drive.
3.5.38 Grounding switch with disconnector at the converter output (option N49)
The disconnector is located in such a way that it isolates the converter from the motor when it
is switched off. The motor side or the converter side of the disconnector is short-circuited and
grounded using the motor-operated grounding switch.
0
0
06
1
06
1
0
0
~
~
$
%
A Machine side
B Converter side
Figure 3-16 Option N49
Pushbuttons installed in the power unit door are used for actuation purposes. Controlling this
disconnector and grounding switch is interlocked with the operating state and the switch-on
control of the converter.
3.5.39 PVDF piping (option W21)
The PVDF piping allows an increased deionized water intake temperature of above 45 °C up
to max. 50 °C. The deionized water discharge temperature is limited to 65 °C.
Description
3.5 Options
SINAMICS GL150 6SL38555UN113KA0Z
Operating Instructions Rev.201910281450 EXAMPLE 59