SIEMENS
4/51
Siemens IC 10 · 2017
Contactors for Special Applications
3TK1 contactors for resistive loads (AC-1), 4-pole
4
Type
3TK10
3TK11
3TK12
3TK13
3TK14
3TK15
3TK17
General data
Dimensions (W x H x D)
mm
165 x
156 x
155
165 x
172 x
155
201 x 198 x 172
244 x 273 x 226
Permissible mounting position
Upright mounting position also permissible
Mechanical
endurance
Operating cycles
Mill.
10
5
Electrical
endurance
at
I
e
/AC-1 at 55 °C
Operating cycles
Mill.
0.8
0.4
0.65
0.5
0.4
Rated insulation voltage
U
i
(pollution degree 3)
V
1 000
Ambient temperature
• During operation
°C
-25 ... +55
• During storage
°C
-50 ... +70
Degree of protection
acc. to IEC 60529
IP00
Touch protection
acc. to IEC 60529
Finger-safe with terminal covers
Shock resistance
, sine pulse
g
/ms
10/15
Short-circuit protection
Main circuit
Fuse links, operational class gG: LV HRC, type 3NA; DIAZED, type 5SB;
NEOZED, type 5SE acc. to IEC 60947-4-1/EN 60947-4-1
• Type of coordination "1"
A
250
355
630
1 000
• Type of coordination "2"
A
250
315
630
850
Auxiliary circuit
Short circuit test with fuse links of operational class gG:
DIAZED, type 5SB; NEOZED, type 5SE
with short-circuit current
I
k
= 1 kA acc. to IEC 60947-5-1
A
10
Control
Solenoid coil operating range
0.85 ... 1.1 x
U
s
Power consumption of the solenoid coils
(for cold coil and 1.0 x
U
s
)
• 50 Hz
- Closing
VA
820
1 100
3 500
- P.f.
0.4
0.35
0.26
- Closed
VA
44
52
125
- P.f.
0.34
0.35
0.4
• 60 Hz
- Closing
VA
990
1 200
4 000
- P.f.
0.35
0.31
0.22
- Closed
VA
52
65
140
- P.f.
0.35
0.34
0.43
Operating times at 1.0 x
U
s
• Closing delay
ms
20 ... 40
30 ... 60
• Opening delay
ms
7 ... 15
10 ... 20
• Arcing time
ms
10
Rated data of the main contacts
Load rating with AC
Utilization category
AC-1, switching resistive loads
• Rated operational currents
I
e
At 40 °C up to 690 V
A
200
250
300
350
550
800
1 000
At 50 °C up to 690 V
A
180
230
270
310
470
650
850
• Rated power of AC loads
with p.f. = 0.95 (at 40 °C)
At 230 V
kW
76
95
114
132
208
303
378
400 V
kW
132
165
197
230
362
527
658
500 V
kW
165
206
247
288
452
658
828
690 V
kW
227
284
341
397
624
908
1 135
• Minimum conductor cross-section for loads with
I
e
At 40 °C
mm²
95
150
185
240
185
240
300
Utilization categories AC-2 and AC-3
• Rated operational currents
I
e
Up to 400 V
A
120
145
210
550
700
Up to 690 V
A
120
210
550
--
• Rated power of squirrel-cage/
slipring motors at 50 Hz and 60 Hz
At 230 V
400 V
kW
kW
30
55
45
75
75
110
110
200
160
280
220
370
• Short-time current at 40 °C in cold state up to 10 s
A
900
1 200
1 600
5 300
6 400
Switching frequency
Switching frequency
z
in operating cycles/hour
• Contactors without overload relays
No-load switching
frequency
1/h
3 600
• Rated operation for utilization category
AC-1
1/h
300
Dependence of the switching frequency
z’
on the
operational current
I
’
and operational voltage
U
’:
z’
=
z
(
I
e
/
I
’
)
(
U
e
/
U
’)
1.5
1/h
AC-3
1/h
300
W
H
D
NSB0_00649a
22,5° 22,5°
90°
90°
© Siemens AG 2016