SIEMENS
4/84
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
Spare parts
1)
For rated control supply voltages,
see page 4/82
. The 10th and 11th digits
of the article number must be supplemented accordingly.
For contactors
Version
Auxiliary
contacts
Auxiliary switch block
SD
Screw terminals
PU
(UNIT,
SET,
M)
PS*
PG
Left
Right
Article No.
Price
per PU
Size
Type
NO
NC
d
Auxiliary switch blocks
3TY6561-1A
For lateral mounting
2 and 4
3TC44,
3TC48
Auxiliary switch
block
(replacement for
3TY6 501-1A/-1B)
1
1
20
3TY6501-1AA00
1
1 unit
41B
8 and 12
3TC52,
3TC56
Auxiliary switch
block, left
1
1
--
20
3TY6561-1A
1
1 unit
41B
Auxiliary switch
block, right
1
1
--
20
3TY6561-1B
1
1 unit
41B
12
3TC74
Auxiliary switch
block
4
4
2
3TY2741-2J
1
1 unit
41B
12
3TC78
Auxiliary switch
block, left
2
2
--
20
3TY2781-2C
1
1 unit
41B
Auxiliary switch
block, right
2
2
--
15
3TY2781-2D
1
1 unit
41B
For contactors
Version
Rated control supply
voltage
U
s
SD
Article No.
Price
per PU
PU
(UNIT,
SET,
M)
PS*
PG
Size
Type
V AC/DC
d
Surge suppressors
Varistors
12
3TC7
For sticking onto the
contactor base
24
15
3TX2746-2F
1
1 unit
41B
110
10
3TX2746-2G
1
1 unit
41B
For contactors
Version
SD
Article No.
Price
per PU
PU
(UNIT,
SET,
M)
PS*
PG
Size
Type
d
Solenoid coils
DC operation
1)
2
3TC44
--
3TY6443-0B..
4
3TC48
3TY6483-0B..
8
3TC52
3TY6523-0B..
12
3TC56
3TY6563-0B..
AC operation
1)
2
3TC44
--
3TY7403-0A..
4
3TC48
3TY6483-0A..
8
3TC52
3TY6523-0A..
12
3TC56
3TY6566-0A..
Contacts with fixing parts
3TY2520-0A
To ensure reliable operation of the contactors,
only
original replacement contacts
should be used.
2
3TC44
(1 set = 2 moving and 4 fixed switching elements)
5
3TY2440-0A
1
1 unit
41B
4
3TC48
5
3TY2480-0A
1
1 unit
41B
8
3TC52
5
3TY2520-0A
1
1 unit
41B
12
3TC56
5
3TY2560-0A
1
1 unit
41B
12
3TC7
Main contacts (1 set)
For 3TC78: 2 units required per contactor
5
3TY2740-0E
1
1 unit
41B
Arc chutes
3TY2482-0A
2
3TC44
Arc chutes, 2-pole
15
3TY2442-0A
1
1 unit
41B
4
3TC48
15
3TY2482-0A
1
1 unit
41B
8
3TC52
15
3TY2522-0A
1
1 unit
41B
12
3TC56
15
3TY2562-0A
1
1 unit
41B
12
3TC7
For 3TC78: 2 units required per contactor
15
3TY2742-0C
1
1 unit
41B
22
21
14
13
32
31
44
43
22
21
14
13
32
31
44
43
44
43
32
31
22
21
14
13
84
83
72
71
62
61
54
53
44
43
32
31
22
21
14
13
84
83
72
71
62
61
54
53
© Siemens AG 2016