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Two-stage surge protection for three or four signals of floating signal circuits in the screw-onmodule with IP67 degree of protection for ...
Strana 8 z 12
Poznámky redaktora
80x10
-10
1/h
5 %
10 %
0.1 %
0.DC*
Category
PFDAVG PFH
1.2 %
0..40x10
-10
1/h
2.1 %
0.com/pc/products/2800036
Jan 10, 2026, 4:43 Page (12)
.phoenixcontact..3 7.3 %
Calculation based exida report, Phoenix Contact 09/08-42 R011 V4R1
exida Profile FMEDA Analysis Tproof: year, MT: years, MTTR: hours, PTC: 99%
Used standards
IEC/EN 61508, edition 2010 (device specific)
IEC/EN 61511, edition 2016 COR1:2016 A1:2017 (system specific)
PFDAVG PFH
Functional safety scenarios
S-PT-4-EX-24DC Surge protection device
2800036
https://www.87x10
-7
1.Application drawing
SURGETRAB
2x4-20 mA
4-20mA
4-20mA
BU
RD
WH
BN
BK
Schematic diagram
S-PT-4-EX-.2 0.57x10
-6
1.57x10
-5
2.80x10
-9
1/h
Used budget
of SIL SIF
1oo1 architecture, HFT=0 1oo2 architecture, HFT=1
PFDAVG PFH
Used budget
of SIL SIF
CCF
PFDAVG PFH
0
