3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contactors for Special Applications
3TC Contactors for Switching DC Voltage
1- and 2-pole, 32 ... 400 A
Selection and ordering data
■
3TC48
3TC44
Size
1)
Rated data DC-3 and DC-5
Auxiliary
contacts
Rated control DT Order No.
supply voltage
s
Price
per PU
PU
(UNIT,
SET, M)
PS*
PG Weight
per PU
2)
U
approx.
Opera-
tional
current I
Ratings of
DC motors at
Version
3)
e
110 V 220 V 440 V 600 V 750 V
kW kW kW kW kW
A
NO
NC
V
kg
3TC44 to 3TC56 2-pole contactors ¼ Operating voltage up to 440 V
DC operation
Screw and snap-on mounting onto 35 mm standard mounting rail
2
32
2.5
5
9
9
4
2
2
24 DC
110 DC
220 DC
}
}
}
3TC44 17-0AB4
3TC44 17-0AF4
3TC44 17-0AM4
1
1
1
1 unit 101
1.050
1.046
1.050
1 unit 101
1 unit 101
Screw mounting
4
75
6.5
20
35
13
41
70
27
38
45
2
2
2
2
2
2
24 DC
110 DC
220 DC
}
}
A
3TC48 17-0AB4
3TC48 17-0AF4
3TC48 17-0AM4
1
1
1
1 unit 101
1 unit 101
1 unit 101
4.680
4.745
4.513
4)
8
220
400
82
110
200
110
250
24 DC
110 DC
220 DC
C
C
C
3TC52 17-0AB4
3TC52 17-0AF4
3TC52 17-0AM4
1
1
1
1 unit 101 10.589
1 unit 101
1 unit 101
9.826
9.878
12
140
24 DC
110 DC
220 DC
C
C
C
3TC56 17-0AB4
3TC56 17-0AF4
3TC56 17-0AM4
1
1
1
1 unit 101 17.870
1 unit 101 19.318
1 unit 101 22.870
AC operation, 50/Hz
Screw and snap-on mounting onto 35 mm standard mounting rail
5)
2
32
2.5
5
9
9
4
2
2
220 / 230 AC
110 / 110 AC
}
}
3TC44 17-0BP0
3TC44 17-0BF0
1
1
1 unit 101
1 unit 101
0.673
0.683
Screw mounting
5)
5)
5)
4
75
6.5
20
35
13
41
70
27
38
45
2
2
2
2
2
2
220 / 230 AC
110 AC
}
3TC48 17-0BP0
3TC48 17-0BF0
1
1
1 unit 101
1 unit 101
3.447
3.487
C
4)
8
220
400
82
110
200
110
250
220 / 230 AC
110 AC
A
C
3TC52 17-0BP0
3TC52 17-0BF0
1
1
1 unit 101
1 unit 101
7.005
7.041
12
140
220 / 230 AC
110 AC
C
C
3TC56 17-0BP0
3TC56 17-0BF0
1
1
1 unit 101 14.437
1 unit 101 14.363
For more rated control supply voltages U , see page 3/77.
s
1) For the permissible load for utilization category DC-1,
see Technical Specifications.
2) The auxiliary switch complement cannot be altered on DC-operated
contactors.
3) The following rated operational currents are permitted for reversing duty
with 3TC44 to 3TC56 contactors:
Contactor
Type
Rated operating voltage
110 V, 220 V 440 V
3TC44
3TC48
3TC52
3TC56
32 A
7 A
75 A
75 A
170 A
400 A
170 A
400 A
4) For > 600 V: I = 170 A.
e
5) Operating range at 220 V: 0.85 to 1.15 x U .
s
* You can order this quantity or a multiple thereof.
Siemens LV 1 · 2006
3/76
SIEMENS [ Siemens Semiconductor Group ]
