SIEMENS
4/74
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Contactors for Special Applications
Contactors for Railway Applications
3TC contactors for switching DC voltage, 2-pole
4
■
Selection and ordering data
3TC44: For screw fixing and snap-on mounting onto 35 mm standard mounting rail
3TC48 to 3TC56: For screw fixing
Solenoid coil fitted with varistor
1)
The number of auxiliary contacts cannot be increased.
2)
One NC contact used for series resistor.
Other rated control supply voltages
according to page 4/82
on request.
■
Accessories
For accessories
, see Basic units of the 3TC contactors,
from page 4/82
.
Spare parts
All spare parts not mentioned here are identical to those of the
basic units of the 3TC contactors,
see page 4/84
.
3TC48
Size
Utilization
category
Rated opera-
tional current
I
e
at
Rated power
of loads
at
Auxiliary
contacts
1)
Version
Rated control
supply
voltage
U
s
SD
Screw terminals
PU
(UNIT,
SET, M)
PS*
PG
750 V
220 V
440 V
600 V
750 V
Article No.
Price
per PU
A
kW
kW
kW
kW
NO
NC
V DC
d
Contactors for switching DC voltage
DC operation
Terminal designations according to EN 50012 and EN 50005
2
DC-1
DC-3/DC-5
32
7
14
19.2
24
2
1
2)
24
5
3TC4417-0LB4
1
1 unit
41B
7.5
5
9
9
4
110
10
3TC4417-0LF4
1
1 unit
41B
4
DC-1
DC-3/DC-5
75
16.5
33
45
56
2
1
2)
24
15
3TC4817-0LB4
1
1 unit
41B
75
13
27
38
45
110
15
3TC4817-0LF4
1
1 unit
41B
8
DC-1
DC-3/DC-5
170
48
97
132
165
2
1
2)
24
15
3TC5217-0LB4
1
1 unit
41B
170
41
82
110
110
110
15
3TC5217-0LF4
1
1 unit
41B
12
DC-1
DC-3/DC-5
400
88
176
240
300
2
1
2)
24
15
3TC5617-0LB4
1
1 unit
41B
400
70
140
200
250
110
15
3TC5617-0LF4
1
1 unit
41B
44
43
32
31
22
21
4/T2
3/L2
A1
A2
2/T1
14
13
1/L1
For contactors
Remarks
Rated control
supply voltage
U
s
SD
Article No.
Price
per PU
PU
(UNIT,
SET, M)
PS*
PG
Size
Type
V DC
d
Arc chutes
For contactors with extended operating range
2
3TC4417-0L. .
With cutout for resistor
mounting
5
3TY2442-0B
1
1 unit
41B
Solenoid coils
For contactors with extended operating range
2
3TC44
With series resistor,
without varistor
24
15
3TY6443-0LB4
1
1 unit
41B
110
15
3TY6443-0LF4
1
1 unit
41B
4
3TC48
24
15
3TY6483-0LB4
1
1 unit
41B
110
15
3TY6483-0LF4
1
1 unit
41B
© Siemens AG 2016