3RA13, 3RA14 Contactor Assemblies
3RA14 Contactor Assemblies for Wye-Delta Starting
3RA14 complete units, 3 ... 75 kW
Size S2-S2-S2 · up to 45 kW
Rated data AC-3
Rated control DT Fully wired and tested contactor PU
PS*
PG Weight
per PU
supply voltage
assemblies
(UNIT,
1)
U
SET, M)
approx.
s
Operational Ratings of induction motors
Order No.
Price
per PU
current I
at 50 Hz and
e
up to
400 V
A
230 V 400 V 500 V 690 V
kW
kW
kW
kW
V
kg
AC operation, 50/60 Hz
80
25
37
51
63
24 AC
110 AC
230 AC
C
C
}
3RA14 35-8XC21-1AC2
3RA14 35-8XC21-1AG2
3RA14 35-8XC21-1AL2
1
1
1
1 unit 101
1 unit 101
1 unit 101
3.725
3.665
3.650
86
27
45
55
63
24 AC
110 AC
230 AC
C
C
}
3RA14 36-8XC21-1AC2
3RA14 36-8XC21-1AG2
3RA14 36-8XC21-1AL2
1
1
1
1 unit 101
1 unit 101
1 unit 101
3.750
3.710
3.685
DC operation
80
86
25
27
37
45
51
55
63
63
24 DC
24 DC
B
B
3RA14 35-8XC21-1BB4
3RA14 36-8XC21-1BB4
1
1
1 unit 101
1 unit 101
5.515
5.482
1) Coil operating range
at 50 Hz: 0.8 ... 1.1 x U ; at 60 Hz: 0.85 ... 1.1 x U .
s
s
Mountable accessories (to be ordered separately):
The fully wired and tested contactor assembly includes the following
components:
1
6
2
17
16
3
11
19
18
15
10
10
4
9
10
8
7
The connecting
leads are not
shown.
6
12
Accessories
Order No.
Page
3/43
Individual parts
Order No.
K1
Page
K3
K2
4
7
Mechanical interlock, lateral
3RA19 24-2B
1
2
2
3
3
Contactors, 37 kW
Contactors, 45 kW
Timing relay, lateral
3RT10 35 3RT10 35 3RT10 34 3/16
3RT10 36 3RT10 36 3RT10 34 3/16
3RP15 74-1N.30
Solid-state time-delay
auxiliary switch block, front
1
8
1)
3)
3RT19 26-2G... 3/117
3RA19 24-1A 3/43
15 Auxiliary switch block, lateral 3RH19 21-1EA.. 3/114
12 Mechanical interlock, front
9
Auxiliary switch block with
1 unassigned NO contact 3RH19 21-1CA10
3/112
10
Auxiliary switch block for
local control
16 Surge suppressors
3RT19 26-1....
3RT19 36-1....
3/119,
3/120
2 units
3 units
3RH19 21-1CA01
3RH19 21-1CA10
17 3-phase line-side terminal
18 Three-phase busbar
3RV19 35-5A
3RV19 35-1A
3/53
3/53
3/112
3/53
3/53
11
6
Base plate
3RA19 32-2F
3RA19 33-2B
2)
19 Push-in lug for timing relay
Installation kit
3)
screw mounting
3RP19 03
The installation kit contains the star jumper on the top and the wiring
jumper on the bottom for connecting the main conducting paths.
1) Generally possible. If a solid-state time-delay auxiliary switch block is
2) Not part of the scope of supply of the preassembled contactor
assemblies; can be ordered as an accessory.
mounted onto the front of K3, a standard auxiliary switch block can only
be mounted onto the side.
3) See Monitoring and Control Devices: 3RP, 7PV timing relays -> 3RP15
timing relays in 22.5 mm industrial enclosure.
* You can order this quantity or a multiple thereof.
Siemens LV 1 · 2006
3/51
SIEMENS [ Siemens Semiconductor Group ]
