SIEMENS
4/80
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Contactors for Special Applications
3TC contactors for switching DC voltage, 1-pole and 2-pole
4
■
Selection and ordering data
1)
Permissible load for DC-1 utilization category:
see detailed technical specifications in the reference manual
"Switching Devices – Contactors and Contactor Assemblies",
.
2)
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
32 A
7 A
3TC48
75 A
75 A
3TC52
170 A
170 A
3TC56
400 A
400 A
3)
The fitting of auxiliary switches cannot be altered on DC-operated
contactors.
4)
At > 600 V:
I
e
= 170 A.
5)
Operating range at 220 V AC: 0.85 to 1.15 x
U
s
.
Other rated control supply voltages
according to page 4/82
on
request.
For accessories,
see page 4/82
.
For spare parts,
see page 4/84
.
3TC44
3TC48
Size
Utilization
category
1)
Opera-
tional
current
I
e
2)
Ratings of
DC motors at
Auxiliary
contacts
3)
Rated control
supply
voltage
U
s
SD
Screw terminals
PU
(UNIT,
SET,
M)
PS*
PG
110 V
220 V
440 V
600 V
750 V
Version
Article No.
Price
per PU
A
kW
kW
kW
kW
kW
NO
NC
V
d
3TC44 to 3TC56 2-pole contactors · Operational voltage up to 750 V
Terminal designations according to EN 50012
DC operation
Screw fixing and snap-on mounting onto TH 35 standard mounting rail
2
DC-3, DC-5
32
2.5
5
9
9
4
2
2
24 DC
}
3TC4417-0AB4
1
1 unit
41B
110 DC
}
3TC4417-0AF4
1
1 unit
41B
220 DC
}
3TC4417-0AM4
1
1 unit
41B
Screw fixing
4
DC-3, DC-5
75
6.5
13
27
38
45
2
2
24 DC
2
3TC4817-0AB4
1
1 unit
41B
110 DC
2
3TC4817-0AF4
1
1 unit
41B
220 DC
2
3TC4817-0AM4
1
1 unit
41B
8
DC-3, DC-5
220
4)
20
41
82
110
110
2
2
24 DC
15
3TC5217-0AB4
1
1 unit
41B
110 DC
15
3TC5217-0AF4
1
1 unit
41B
220 DC
10
3TC5217-0AM4
1
1 unit
41B
12
DC-3, DC-5
400
35
70
140
200
250
2
2
24 DC
15
3TC5617-0AB4
1
1 unit
41B
110 DC
15
3TC5617-0AF4
1
1 unit
41B
220 DC
15
3TC5617-0AM4
1
1 unit
41B
AC operation, 50 Hz
Screw fixing and snap-on mounting onto TH 35 standard mounting rail
2
DC-3, DC-5
32
2.5
5
9
9
4
2
2
220 / 230 AC
5)
}
3TC4417-0BP0
1
1 unit
41B
110/110 AC
}
3TC4417-0BF0
1
1 unit
41B
Screw fixing
4
DC-3, DC-5
75
6.5
13
27
38
45
2
2
220 / 230 AC
5)
2
3TC4817-0BP0
1
1 unit
41B
110 AC
15
3TC4817-0BF0
1
1 unit
41B
8
DC-3, DC-5
220
4)
20
41
82
110
110
2
2
220 / 230 AC
5)
2
3TC5217-0BP0
1
1 unit
41B
110 AC
10
3TC5217-0BF0
1
1 unit
41B
12
DC-3, DC-5
400
35
70
140
200
250
2
2
220 / 230 AC
5)
15
3TC5617-0BP0
1
1 unit
41B
110 AC
15
3TC5617-0BF0
1
1 unit
41B
44
43
32
31
22
21
4/T2
3/L2
A1
A2
2/T1
14
13
1/L1
© Siemens AG 2016