SIEMENS
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Siemens IC 10 · 2017
Power Contactors for Switching Motors
3TG10 power relays/miniature contactors
3
Type
3TG10
Rated data of main contacts (continued)
Load rating with AC
Utilization categories AC-2 and AC-3
• Operational current for AC-3 at
U
e
400 V rated value
A
8.4
• Rated power for slipring or squirrel-cage motors
with 50 and 60 Hz and at
U
e
400 V
kW
4
Utilization category AC-5a
(permissible nominal impedance:
0.5
)
Switching of gas discharge lamps
Per main current path at 230 V, 50 Hz
Rated power/rated operational current per lamp
• Uncompensated
18 W
0.37 A
Unit(s)
43
36 W
0.43 A
Unit(s)
37
58 W
0.67 A
Unit(s)
24
• DUO switching
18 W
2 x 0.11 A
Unit(s)
2 x 81
36 W
2 x 0.21 A
Unit(s)
2 x 42
58 W
2 x 0.32 A
Unit(s)
2 x 28
Switching gas discharge lamps with compensation or ECG
Per main current path 230 V, 50 Hz
Connection
Rated power
per lamp
Capacitor
capaci-
tance
Rated opera-
tional current
per lamp
• Shunt compensation
L18 W
4.5 μF
0.11 A
Unit(s)
15
L36 W
4.5 μF
0.21 A
Unit(s)
15
L58 W
7 μF
0.32 A
Unit(s)
10
• With ECG (single lamp)
L18 W
6.8 μF
0.10 A
Unit(s)
39
L36 W
6.8 μF
0.18 A
Unit(s)
39
L58 W
10 μF
0.27 A
Unit(s)
26
• With ECG (two lamps)
L18 W
10 μF
0.18 A
Unit(s)
2 x 26
L36 W
10 μF
0.35 A
Unit(s)
2 x 26
L58 W
22 μF
0.52 A
Unit(s)
2 x 12
Utilization category AC-5b,
switching incandescent lamps
Per main current path at 230 V, 50 Hz
kW
1.6
Load rating with DC
Utilization category
DC-1, switching resistive loads (
L/R
15 ms)
• Rated operational currents
I
e
-
1 conducting path
Up to 24 V
A
16
60 V
A
6
110 V
A
2
220 V/240 V
A
0.8
-
2 conducting paths in series
Up to 24 V
A
16
60 V
A
16
110 V
A
6
220 V/240 V
A
1.6
-
3 conducting paths in series
Up to 24 V
A
18
60 V
A
18
110 V
A
16
220 V/240 V
A
6
-
4 conducting paths in series
Up to 24 V
A
20
60 V
A
20
110 V
A
20
220 V/240 V
A
20
Utilization categories
DC-3 and DC-5
Shunt-wound and series-wound motors
(
L/R
15 ms)
• Rated operational currents
I
e
-
1 conducting path
Up to 24 V
A
10
60 V
A
0.5
110 V
A
0.15
220 V/240 V
A
0
-
2 conducting paths in series
Up to 24 V
A
16
60 V
A
5
110 V
A
0.35
220 V/240 V
A
0
-
3 conducting paths in series
Up to 24 V
A
16
60 V
A
16
110 V
A
10
220 V/240 V
A
1.75
-
4 conducting paths in series
Up to 24 V
A
18
60 V
A
16
110 V
A
10
220 V/240 V
A
2
© Siemens AG 2016