3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contactors for Special Applications
Contactors with Extended Tolerance 0.7 ... 1.25 x U
s
, for Railway Applications
3TH4 contactor relays
■
Overview
3TH4 contactor relays
EN 60947-4-1.
For requirements according to IEC 60077-1 and IEC 60077-2.
The contactors are finger-safe according to EN 50274. Terminal
covers may have to be fitted onto the connecting bars,
depending on the configuration with other devices.
■
Application
For operation in plants which are subject both to considerable
variations in the control voltage and to high ambient
temperatures, e.g. in railway applications.
■
Selection and ordering data
With screw terminals
For screw and snap-on mounting onto 35 mm standard mounting rail
Solenoid fitted with varistor
3
3TH4
Contacts Rated operational current
I
e
/AC-15/AC-14
Contacts
1)
Rated control
supply voltage
U
s
DT
Order No.
Price
per PU
PU
PS*
(UNIT,
SET, M)
PG
Weight
per PU
approx.
Ident. No.
acc. to
EN 50011
230 V
400 V 500 V 690 V
Number A
8
10
A
6
A
4
A
2
44 E
53 E
62 E
For accessories, see page 3/139.
1) Contacts not extendable.
NO NC
4
5
6
4
3
2
V
24 DC
110 DC
24 DC
110 DC
24 DC
110 DC
B
B
C
C
B
B
3TH42 44-0LB4
3TH42 44-0LF4
3TH42 53-0LB4
3TH42 53-0LF4
3TH42 62-0LB4
3TH42 62-0LF4
1
1
1
1
1
1
1 unit
1 unit
1 unit
1 unit
1 unit
1 unit
101
101
101
101
101
101
kg
0.674
0.661
0.669
0.660
0.667
0.663
3TH42 contactor relays
¼
DC operation
¼
DC solenoid system
* You can order this quantity or a multiple thereof.
3/68
Siemens LV 1 · 2006
SIEMENS [ Siemens Semiconductor Group ]
