Siemens 3TM Manuel d'utilisation - Page 19
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Auxiliary switch
Protection class on the front side
Rated insulation level at pollution degree 3
Rated short-duration power frequency withstand
voltage U
d
Rated operating current I
Utilisation category AC 12 for alter-
nating current
Utilisation category AC 14 for alter-
nating current
Utilisation category AC 15 for alter-
nating current
Utilisation category DC 13 for direct
current
Terminal cross-sections of auxiliary switches as per IEC EN 60947-5-1
with wire end ferrule
for AWG terminals
-40 °C
5 %
Fig. 15
Ambient conditions*
9229 0098 176 0-
2019-01-09
at rated voltage U
e
r
AC 24 V
AC 230 V
AC 125 V
AC 24 V
AC 230 V
AC 400 V
DC 24 V
DC 60 V
DC 110 V
DC 220 V
AWG
American Wire Gauge
Fig. 14
Rated data for auxiliary switches
Ambient conditions
+70 °C
5), 6)
95 %
*)
see also "Mechanical data", Fig. 11
3TM
12
13
V
kV
A
A
A
A
A
A
A
A
A
A
2 x (0.5 to 1.0), 2 x (0.75 to 2.5)
2
mm
AWG
2 x (18 to 12)
Vacuum contactors are suitable for use in the fol-
lowing climate classes according to IEC 60721:
•
Climatic ambient conditions:
•
Biological ambient conditions:
•
Mechanical ambient conditions:
•
Chemically active substances:
•
Mechanically active substances:
1)
Peak value of the 24-hour mean: +75 °C
2)
to -40 °C
3)
Without occurrence of salt fog and simultane-
ous condensation
4)
Restriction: Clean insulation parts
5)
Max. per day
6)
Max. per month
Description
14
15
IP 20
690
6
10
10
10
10
5.6
3.6
10
5
1.14
0.48
Class
3K4
3K8H
3B1
3M3
3C2
3S2
1)
2)
3)
4)
19