Entering Siemens Switches and Buttons
The following table describes the part parameters required for switches and buttons when Siemens is the selected calculation model. This Siemens component model is based on Siemens Norm SN 29500-9, Edition 2005-11, Failure Rates of Components: Expected Values for Switches and Buttons.
Parameter
Type
Description
Type
Choice List
Required only for the Switch, Button type of the Switch, Button subcategory.
The contact force of the current. Choices are:
Higher Current (Contact Force > 20 cN)
Light Current (Contact Force <= 20 cN)
# of Contacts
Number
The number of conductive elements in the connector that mate with other elements for the purpose of transferring electrical energy.
Load Type
Choice List
Required only for the Switch, Button type of the Switch, Button subcategory.
The load type of the device. Choices are:
Resistive (DC)
Resistive (AC)
Capacitive and Lamp (DC)
Capacitive and Lamp (AC)
Inductive (DC)
Inductive (AC)
Coating
Choice List
Required only for the Switch, Button type of the Switch, Button subcategory.
The contact coating. Choices are:
Gold Coating
No Coating
Environment
Choice List
The environment in which the device is used. Choices are:
Open (room kept clean)
Dust Protected (room kept clean)
Dust Protected (automotive / industrial without extreme dust)
Open (automotive / industrial without extreme dust)
Open (extreme dust)
[Voltage Parameters]
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Required only for the Switch, Button type of the Switch, Button subcategory.
For more information, see Voltage Parameters.
[Current Parameters]
Required only for the Switch, Button type of the Switch, Button subcategory.
For more information, see Current Parameters.
[Derating Parameters]
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For more information, see Derating Parameters.