SIRIUS 3RF34 solid-state switching devices
3.5 Planning/configuring
SIRIUS Innovations
330 System Manual, 01/2011, A8E56203870002-03
3.5.2 Configuration: Selecting solid-state contactors for motors
Program description
Selecting solid-state switching devices with the "Selection of solid-state contactors for
switching motors" tool
The "Selection of solid-state contactors for motors" tool provides a quick and easy way of
dimensioning solid-state switching devices correctly.
Based on the details about the motor, the load cycle, and the environmental requirements,
the switching device load is calculated and a suitable type is selected. The complete order
number then appears in the "Result" field.
The program can be accessed via the following links:
● Configurator
(https://mall.automation.siemens.com/W
W/guest/bizLogic/bizGotoConfig.asp?ConfigID=4
&ConfigType=3RF2&lang=en): (Selection of solid-state contactors for motors)
● Selection of solid-state contactors for switching motors
(https://eb.automation.siemens.com/s
picecad/dc-web-app/main/index.jsf)
NOTICE
Dimensioning and sizing the motor and the corresponding protection devices
The user is responsible for dimensioning and sizing the motor and the corresponding
protection devices correctly. In the case of very high switching frequencies, we recommend
the use of thermistor motor protection. The use of motor starter protectors or overload
relays for motor overload protection may not be suitable under some circumstances.
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