General Technical Specifications
6.6 Specifications for Nominal Line Voltages, Isolation Tests, Protection Class, and Type of Protection
ET 200S Distributed I/O System - Fail-Safe Modules
60 Installation and Operating Manual, 08/2008, A5E00103686-07
6.6 Specifications for Nominal Line Voltages, Isolation Tests, Protection
Class, and Type of Protection
Rated Voltages for Operation
The fail-safe signal modules operate at a rated voltage of 24 VDC. The tolerance range is =
20.4 VDC to 28.8 VDC.
Test Voltages
Refer to the technical specifications of the fail-safe modules for information regarding the test
voltages.
Protection Class
Protection class I in accordance with IEC 60536 (VDE 0106, Part 1), i.e. ground terminal
required on DIN rail!
Type of Protection
Type of protection IP20 to EN 60529 for all F-modules, that is:
● Protection from contact with standard probes
● Protection from foreign bodies larger than 12.5 mm in diameter
● No special protection against water
See also
Safe Functional Extra Low Voltage for Fail-Safe Modules (Page 33)
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