SIEMENS
3/150
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Power Contactors for Switching Motors
Accessories for 3TF2 miniature contactors
3
For contactors
Rated control supply voltage
U
s
Power consumption of
LED at
U
s
SD
Article No.
Price
per PU
PU
(UNIT,
SET,
M)
PS*
PG
Type
V AC
V DC
mW
d
Surge suppressors
For plugging onto miniature contactors with and without auxiliary switch blocks
3TX4490-3A
Version without LED
RC elements
3TF2. . .-0. . .,
3TF2. . .-1. . .
24 ...
48
24 ...
70
--
5
3TX4490-3R
1
1 unit
41B
48 ... 127
70 ... 150
--
5
3TX4490-3S
1
1 unit
41B
127 ... 240
150 ... 250
--
5
3TX4490-3T
1
1 unit
41B
240 ... 400
--
--
5
3TX4490-3U
1
1 unit
41B
400 ... 600
--
--
5
3TX4490-3V
1
1 unit
41B
Varistors
3TF2. . .-0. . .,
48
24 ...
70
--
}
3TX4490-3G
1
1 unit
41B
3TF2. . .-1. . .
48 ... 127
70 ... 150
--
5
3TX4490-3H
1
1 unit
41B
127 ... 240
150 ... 250
--
5
3TX4490-3J
1
1 unit
41B
240 ... 400
--
--
5
3TX4490-3K
1
10 units
41B
400 ... 600
--
--
5
3TX4490-3L
1
10 units
41B
Noise suppression diodes
3TF2. . .-0. . .,
3TF2.. .-1.. .
--
12 ... 250
--
}
3TX4490-3A
1
1 unit
41B
Diode assemblies
(diode and Zener diode)
For DC operation and short break times
3TF2. . .-0. . .,
3TF2. . .-1. . .
--
24 ... 250
--
5
3TX4490-3B
1
1 unit
41B
3TX4490-4G
Version with LED
Varistors
3TF2.. .-0.. .,
24 ...
48
12 ...
24
10 ... 120
5
3TX4490-4G
1
1 unit
41B
3TF2. . .-1. . .
48 ... 127
24 ...
70
20 ... 470
5
3TX4490-4H
1
1 unit
41B
127 ... 240
70 ... 150
50 ... 700
5
3TX4490-4J
1
1 unit
41B
--
150 ... 250
160 ... 950
20
3TX4490-4K
1
1 unit
41B
Noise suppression diodes
3TF2. . .-0. . .,
--
24 ...
70
20 ... 470
5
3TX4490-4A
1
1 unit
41B
3TF2.. .-1.. .
--
70 ... 150
50 ... 700
5
3TX4490-4B
1
1 unit
41B
--
150 ... 250
160 ... 950
5
3TX4490-4C
1
1 unit
41B
Additional load modules
For plugging onto miniature contactors with and without auxiliary switch blocks
For increasing the permissible residual current and for limiting the
residual voltage.
Same dimensions as for 3TX4490-3 surge suppressor.
3TF2.. .-0A. .,
230/220, 50 Hz
--
20
3TX4490-1J
1
1 unit
41B
3TF2. . .-1A. .
230, 60 Hz
230, 50/60 Hz
Operating range 0.8 ... 1.1 x
U
s
,
Plug-in bases with solder pin connections for printed circuit boards, 45 mm
3TX4491-2A
Rated insulation voltage
U
i
: 400 V (with pollution degree 3);
rated impulse withstand voltage
U
imp
: 6 kV;
rated operational current
I
e
: 6 A;
s
and
U
rated data: max. 300 V, 6 A
3TF20. .-3. . .,
3TF20. .-7. . .,
3TK20. .-3. . .,
3TK20. .-7. . .
For contactors with flat connectors, 6.3 mm x 0.8 mm
20
3TX4491-2A
1
5 units
41A
Release tools
3TF2. . .-7. . .,
3TK2. . .-7. . .
For releasing miniature contactors
from 3TX4491-2A plug-in bases
20
3TX4491-2K
1
1 unit
41A
© Siemens AG 2016