If necessary, dI/dt reactors are also installed in the line-side connection busbars.
3.5.10
Cabinet anti-condensation heating for the power unit (option L55)
The anti-condensation heating is used at low ambient temperatures and high levels of humidity
to prevent condensation from forming. The heating is controlled via a thermostat. The heating
is externally supplied with power.
3.5.11
Temperature-controlled and air-humidity-controlled anti-condensation heating
(option L58)
Each cabinet is equipped with a heater with a thermostat and hygrostat. The heater is supplied
with voltage (110-250 VAC/VDC) via the infeed provided by the customer.
3.5.12
Dust protection (option M11)
To prevent dangerous dust deposits from accumulating in the power unit components,
additional filter mats are attached to the outside of the device.
A differential pressure technique continually determines the amount of dust in the filter mats.
When the differential pressure switch responds, a fault message is output and the converter is
switched off.
3.5.13
Lock barrel (option M40)
The cabinet interlocking is equipped with locking cylinders. All cabinets in the plant must have
the same locking cylinder.
3.5.14
Degree of protection IP41 (option M41)
The degree of protection is increased to IP41.
3.5.15
Separate installation (M49)
The maximum cable length between the open-loop control cabinet and the power unit of the
starting converter is 70 m. The cables to connect the starting converter with the excitation
equipment are not included in the scope of supply of the compact system. The DRIVE-CLiQ
connection is an exception. This is included in the scope of supply for the starting converter.
Description
3.5 Options
SINAMICS GL150 6SL38503UM114PA0Z
Operating Instructions Rev.201910301420 MUSTER
45
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