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
3TC44
Size
3TC48
Rated data DC-3 and DC-5
1)
Auxiliary
contacts
2)
Rated control DT Order No.
supply voltage
U
s
Price
per PU
PU
PS*
(UNIT,
SET, M)
PG
Weight
per PU
approx.
3
Opera-
Ratings of
tional
DC motors at
current
I
e3)
110 V 220 V 440 V 600 V 750 V
A
kW
kW
kW
kW
kW
Version
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
24 DC
110 DC
220 DC
24 DC
110 DC
220 DC
24 DC
110 DC
220 DC
}
}
}
}
}
A
C
C
C
C
C
C
3TC44 17-0AB4
3TC44 17-0AF4
3TC44 17-0AM4
3TC48 17-0AB4
3TC48 17-0AF4
3TC48 17-0AM4
3TC52 17-0AB4
3TC52 17-0AF4
3TC52 17-0AM4
3TC56 17-0AB4
3TC56 17-0AF4
3TC56 17-0AM4
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1.050
1.046
1.050
4.680
4.745
4.513
10.589
9.826
9.878
17.870
19.318
22.870
Screw mounting
4
75
6.5
13
27
38
45
2
2
8
220
4)
20
41
82
110
110
2
2
12
400
35
70
140
200
250
2
2
AC operation, 50/Hz
Screw and snap-on mounting onto 35 mm standard mounting rail
2
32
2.5
5
9
9
4
2
2
Screw mounting
4
8
12
75
220
4)
400
6.5
20
35
13
41
70
27
82
140
38
110
200
45
110
250
2
2
2
2
2
2
220 / 230 AC
5)
}
110 AC
C
220 / 230 AC
5)
A
110 AC
C
220 / 230 AC
5)
C
110 AC
C
3TC48 17-0BP0
3TC48 17-0BF0
3TC52 17-0BP0
3TC52 17-0BF0
3TC56 17-0BP0
3TC56 17-0BF0
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
1 1 unit 101
3.447
3.487
7.005
7.041
14.437
14.363
220 / 230 AC
5)
}
110 / 110 AC
}
3TC44 17-0BP0
3TC44 17-0BF0
1 1 unit 101
1 1 unit 101
0.673
0.683
For more rated control supply voltages U
s
, see page 3/77.
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
Rated operating voltage
Type
110 V, 220 V 440 V
3TC44
3TC48
3TC52
3TC56
32 A
75 A
170 A
400 A
7A
75 A
170 A
400 A
4) For > 600 V:
I
e
= 170 A.
5) Operating range at 220 V: 0.85 to 1.15 x
U
s
.
* You can order this quantity or a multiple thereof.
3/76
Siemens LV 1 · 2006
SIEMENS [ Siemens Semiconductor Group ]
