Accessories and Spare Parts
For 3T Contactors and Contactor Relays
Accessories for 3TB, 3TC, 3TF, 3TG, 3TK
contactors
For contactor Rated control supply voltage Power
DT Order No.
Price
per PU
PU
(UNIT,
SET, M)
PS*
PG
Weight
per PU
approx.
U
consump-
tion of LED
at U
s
s
Type
V AC
V DC
MW
kg
Surge suppressors for 3TF2 contactors ¼
For plugging onto contactors with and without
auxiliary switch blocks
Version without LED
RC elements
3TF2. ..-0...,
3TF2. ..-1...
24 ... 48
48 ... 127
127 ... 240
24 ... 70
70 ... 150
150 ... 250
--
--
--
B
B
B
3TX4 490-3R
3TX4 490-3S
3TX4 490-3T
1
1
1
10 units
1 unit
1 unit
101
101
101
0.010
0.010
0.010
3TX4 490-3A
240 ... 400
400 ... 600
--
--
--
--
B
B
3TX4 490-3U
3TX4 490-3V
1
1
1 unit
1 unit
101
101
0.014
0.015
Varistors
3TF2. ..-0...,
3TF2. ..-1...
48
48 ... 127
127 ... 240
24 ... 70
70 ... 150
150 ... 250
--
--
--
B
B
B
3TX4 490-3G
3TX4 490-3H
3TX4 490-3J
1
1
1
1 unit
1 unit
1 unit
101
101
101
0.010
0.010
0.010
240 ... 400
400 ... 600
--
--
--
--
B
B
3TX4 490-3K
3TX4 490-3L
1
1
10 units
10 units
101
101
0.016
0.016
Noise suppression diodes
3TF2. ..-0...,
3TF2. ..-1...
--
12 ... 250
--
--
B
B
3TX4 490-3A
3TX4 490-3B
1
1 unit
101
0.010
Diode assemblies (diode and Zener diode)
For DC operation and short break times
3TF2. ..-0...,
3TF2. ..-1...
--
24 ... 250
1
1 unit
101
0.009
Version with LED
Varistors
3TF2. ..-0...,
3TF2. ..-1...
24 ... 48
12 ... 24
10 ... 120
20 ... 470
50 ... 700
B
B
B
3TX4 490-4G
3TX4 490-4H
3TX4 490-4J
3TX4 490-4K
1
1
1
1
1 unit
1 unit
1 unit
1 unit
101
101
101
101
0.009
0.009
0.010
0.009
48 ... 127
127 ... 240
--
24 ... 70
70 ... 150
150 ... 250
3TX4 490-4G
160 ... 950 B
Noise suppression diodes
3TF2. ..-0...,
3TF2. ..-1...
--
--
--
24 ... 70
70 ... 150
150 ... 250
20 ... 470
50 ... 700
B
B
3TX4 490-4A
3TX4 490-4B
3TX4 490-4C
1
1
1
1 unit
1 unit
1 unit
101
101
101
0.009
0.009
0.009
160 ... 950 B
Additional load modules for 3TF2 contactors ¼
)
For plugging onto contactors with and without auxiliary switch blocks1
For increasing the permissible residual current
and for limiting the residual voltage
3TF2. ..-0A..,
3TF2. ..-1A..
230/220, 50 Hz
230, 60 Hz
--
B
3TX4 490-1J
1
1 unit
101
0.011
230, 50/60 Hz
Operating range 0.8 ... 1.1 x U
s
Plug-in bases with solder pin connectors for printed circuit boards ¼
width 45 mm for 3TF2 and 3TK2 contactors
For 3TF2 and 3TK2 contactors
With flat connectors 6.3 mm x 0.8 mm;
Rated insulation voltage U : 400 V (pollution degree 3);
i
Rated impulse withstand voltage U : 6 kV;
imp
Rated operating current I : 6 A;
e
s and U rated data:: max. 300 V, 6 A
3TF20 ..-3...,
3TF20 ..-7...,
3TK20 ..-3...,
3TK20 ..-7...
A
D
3TX4 491-2A
3TX4 491-2K
1
1
5 units
1 unit
101
101
0.032
0.010
Release tools
3TF2. ..-7...,
3TK20..-7...
For releasing contactors from
3TX4 491-2A plug-in bases
1) Dimensions as for 3TX4 490-3 surge suppressor.
* You can order this quantity or a multiple thereof.
Siemens LV 1 · 2006
3/137
SIEMENS [ Siemens Semiconductor Group ]
