62
Appendix
WAGO-I/O-SYSTEM 750
750-633 Up/Down Counter Ex i
Manual
Version 1.3.0 HW-Version 03, SW-Version 01
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9
Appendix
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9.1
Rated Surge Voltage
Table 40: Rated Surge Voltage
*)
Nominal voltage of
the power supply system
(mains) acc. to IEC 60038 3
Line-to-neutral voltage,
derived from the nominal
AC or
DC voltage up to and
including
Rated surge voltage
Three-phase
Single-
phase
Overvoltage category
I
II
III
IV
50 V
330 V
500 V
800 V
1500 V
100 V
500 V
800 V
1500 V
2500 V
120 V …
240 V
150 V
800 V
1500 V
2500 V
4000 V
230 V / 400 V
277 V / 480 V
300 V
1500 V
2500 V
4000 V
6000 V
400 V / 690 V
600 V
2500 V
4000 V
6000 V
8000 V
1000 V
1000 V
4000 V
6000 V
8000 V
12000 V
*)
Source: EN 60664-1:2007, Appendix F.1
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