3RA13, 3RA14 Contactor Assemblies
3RA14 Contactor Assemblies for Wye-Delta Starting
3RA14 complete units, 3 ... 75 kW
Size S3-S3-S2 · up to 75 kW
Rated data AC-3
Rated control DT Fully wired and tested contactor
PU
(UNIT,
SET, M)
PS*
PG Weight
per PU
supply voltage
assemblies
1)
U
approx.
s
Opera-
tional
current I
at
Ratings of induction motors
at 50 Hz and
Order No.
Price
per PU
e
400 V
A
230 V 400 V 500 V 690 V
kW
kW
kW
kW
V
kg
AC operation, 50/60 Hz
115
37
55
81
93
93
24 AC
B
3RA14 44-8XC21-1AC2
1
1 unit 101
5.700
115
37
55
81
110 AC
230 AC
B
}
3RA14 44-8XC21-1AG2
3RA14 44-8XC21-1AL2
1
1
1 unit 101
1 unit 101
5.680
5.826
150
47
75
103
110
24 AC
110 AC
230 AC
B
B
}
3RA14 45-8XC21-1AC2
3RA14 45-8XC21-1AG2
3RA14 45-8XC21-1AL2
1
1
1
1 unit 101
1 unit 101
1 unit 101
5.365
1.770
5.971
DC operation
115
150
37
47
55
75
81
103
93
110
24 DC
24 DC
B
B
3RA14 44-8XC21-1BB4
3RA14 45-8XC21-1BB4
1
1
1 unit 101
1 unit 101
8.520
8.539
1) Coil operating range
at 50 Hz: 0.8 ... 1.1 x U ; at 60 Hz: 0.85 ... 1.1 x U .
s
s
The fully wired and tested contactor assembly includes the following
components:
Mountable accessories (to be ordered separately):
1
6
2
3
16
11
19
20
15
10
8
10
9
4
10
The connecting
leads are not
shown.
6
7
Accessories
Order No.
Page
Individual parts
Order No.
K1
Page
K3
K2
4
1
1
8
9
2
2
3
3
Mechanical interlock, lateral
Depth compensation required
K3: 0 mm; K2: 27.5 mm
3RA19 24-2B
3/43
Contactors, 55 kW
Contactors, 75 kW
Timing relay, lateral
Auxiliary switch block with
1 unassigned NO contact 3RH19 21-1CA10
Auxiliary switch block for
local control
2 units
3 units
3RT10 44 3RT10 44 3RT10 35 3/16
3RT10 45 3RT10 45 3RT10 36 3/16
3RP15 74-1N.30
1)
4)
7
Solid-state time-delay
auxiliary switch block, front
2)
3/112
3RT19 26-2G... 3/117
10
15
16
19
Auxiliary switch block, lateral 3RH19 21-1EA.. 3/114
Surge suppressors
3RT19 .6-1....
3/119
3RH19 21-1CA01
3RH19 21-1CA10
3RA19 42-2E
3)
3/112
3/53
3/53
Push-in lug for timing relay
screw mounting
4)
11
6
3RP19 03
Base plate
Installation kit
3RA19 43-2C
20
1-phase line-side terminal
3RA19 43-3L
3/53
The installation kit contains the star jumper on the top and the wiring
jumper on the bottom for connecting the main conducting paths.
1) Use the 3RA19 42-2B base plate for this configuration.
2) Generally possible. If a solid-state time-delay auxiliary switch block is
3) 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.
4) 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
3/52
SIEMENS [ Siemens Semiconductor Group ]
