SIEMENS
4/60
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Contactors for Special Applications
3TK20 miniature contactors for resistive loads (AC-1), 4-pole
4
■
Selection and ordering data
Size 00
AC-1: Operational current
I
e
= 16 A (at 55 °C)
1)
Operating range at AC-1 and 220 V: 0.85 to 1.15 x
U
s
;
lower operating range limit according to IEC 60947.
For accessories,
see page 3/149 onwards
.
Rated control supply voltages, possible on request
(change of the 10th and 11th digits of the Article No.)
Delivery time on request
1)
Operating range at AC-1 and 220 V: 0.85 to 1.15 x
U
s
;
lower operating range limit according to IEC 60947.
Other voltages and delivery time on request.
Type
3TK20. .-0. . .
3TK20. .-3. . .,
3TK20. .-6. . .,
3TK20. .-7. . .
Size
00
s
and
u
rated data of 3TK20 contactors
Rated insulation voltage
U
i
V AC
600
300
Uninterrupted current
, open and enclosed
A
16
16 (10 for solder pin connection)
Maximum horsepower ratings
(
s
and
u
-approved values)
• Rated power for three-phase motors at 60 Hz
-
Single-phase
At 115 V
hp
0.5
--
200 V
hp
1
230 V
hp
1.5
1
460/575 V
hp
--
-
Three-phase
At 115 V
hp
--
200 V
hp
3
3 (1 for 3TK20. .-6)
230 V
hp
3
3 (1 for 3TK20. .-6)
460/575 V
hp
5
--
s
,
u
and
U
rated data of the auxiliary contacts
Rated voltage, max.
V AC
600
Auxiliary switch blocks, max.
V AC
300
Switching capacity
A 600, Q 300
Uninterrupted current at 240 V AC
A
10
Rated data
Utilization categories
AC-2 and AC-3
Main contacts
SD
Screw terminals
PU
(UNIT,
SET, M)
PS*
PG
Operational
current
I
e
Ratings of three-phase motors
at 50 Hz and
Version
Article No.
Price
per PU
At 400/
380 V
230/
220 V
400/
380 V
500 V
690/
660 V
A
kW
kW
kW
kW
NO
NC
d
Terminal designations
4 NO
3 NO + 1 NC
2 NO + 2 NC
Miniature contactors with screw terminals ·
For screw fixing and snap-on mounting onto TH 35 standard mounting rail
3TK20. .-0. . .
AC operation, rated control supply voltage
U
s
= 50 Hz AC 230/220 V
1)
9
2.4
4
4
4
4
--
20
3TK2040-0AP0
1
1 unit
41B
3
1
20
3TK2031-0AP0
1
1 unit
41B
2
2
15
3TK2022-0AP0
1
1 unit
41B
DC operation, rated control supply voltage U
s
= 24 V DC
9
2.4
4
4
4
4
--
20
3TK2040-0BB4
1
1 unit
41B
3
1
20
3TK2031-0BB4
1
1 unit
41B
2
2
20
3TK2022-0BB4
1
1 unit
41B
8
6
4
2
A2(
)
A1(+)
7
5
3
1
A1(+)
A2(
)
2
4
6
R2
R1
5
3
1
A1(+)
R4
R2
4
2
A2(
)
R3
R1
3
1
Contactor type
3TK20
Rated control supply voltage
U
s
Size
00
AC operation
Solenoid coils for 50 and 60 Hz AC
50 Hz
60 Hz
24 V AC
29 V AC
B0
110 V AC
132 V AC
F0
230/220 V AC
276 V AC
P0
1)
DC operation
24 V DC
B4
© Siemens AG 2016