Datasheet

PRODUCT SPECIFICATION Open Frame
Page 9/12
Document prepared and responsible for
M. Mauritz
E2OFxW3 60
Approved by
Day
Month
Year
Revision
S. Schmalhofer
20
01
15
I
4 RELIABILITY
4.1 MTTF
For calculation the following standards were used:
MIL-HDBK-217 F
MIL-HDBK-217 F, Notice 1
MIL-HDBK-217 F, Notice 2
Siemens norm SN 29500-1
MTTF at 50° ambient temperature, 12V model:
36.47years
MTTF at 50° ambient temperature, 24V model:
37.19years
4.2 Maintainability
The power supply is not to be repaired.