3RA13, 3RA14 Contactor Assemblies
3RA14 Contactor Assemblies for Wye-Delta Starting
3RA14 complete units, 3 ... 75 kW
Components for customer assembly
In the case of sizes S2 to S12 only the bottom main conducting
path connection between the delta and wye contactors is
Installation kits with wiring connectors and, if necessary,
mechanical connectors are available for contactor assemblies
for wye-delta starting. Contactors, overload relays, wye-delta
timing relays, auxiliary switches for electrical interlock – if
required also supply terminals, mechanical interlocks
(exception: in the case of the kit for size S00 contactor
assemblies the mechanical interlock between the delta
contactor and the wye contactor is included in the kit) and base
plates – must be ordered separately.
included in the wiring connector, owing to the larger conductor
cross-section at the infeed.
Motor protection
Overload relays or thermistor motor protection trip units can be
used for overload protection.
The overload relay can be either mounted onto the line contactor
or separately fitted. It must be set to 0.58 times the rated motor
current.
The wiring installation kits for sizes S00 and S0 contain the top
and bottom main conducting path connections between the line
and delta contactors (top) and between the delta and wye
contactors (bottom).
Note:
The selection of contactor types refers to fused configurations
(see LV 1 T).
Overload relays, thermal
(trip class CLASS 10)
Overload relays, solid-state
(trip class CLASS 10)
Installation kit B,
for single infeed
Star jumper
Base plates
--
Setting range
Order No.
Setting range
Order No.
A
A
1
3RA19 13-2B )
3RT19 16-4BA31
1.1 ... 1.6
3RU11 16-1AB0
3RU11 16-1BB0
3RU11 16-1CB0
3RU11 16-1DB0
3RU11 16-1EB0
3RU11 16-1FB0
3RU11 16-1GB0
3RU11 16-1HB0
3RU11 16-1JB0
0.32 ... 1.25
3RB20 16-1NB0
3RB20 16-1PB0
1.4 ...
2
1
...
4
1.8 ... 2.5
2.2 ... 3.2
2.8 ...
3.5 ...
4
5
3
... 12
3RB20 16-1SB0
4.5 ... 6.3
5.5 ...
... 10
8
7
2
6)
3RA19 23-2B )
3RT19 26-4BA31
--
1.8 ... 2.5
2.2 ... 3.2
3RU11 26-1CB0
3RU11 26-1DB0
3RU11 26-1EB0
3RU11 26-1FB0
3RU11 26-1GB0
3RU11 26-1HB0
3RU11 26-1JB0
3RU11 26-1KB0
3RU11 26-4AB0
3RU11 26-4BB0
3RU11 26-4CB0
3RU11 26-4DB0
1
...
4
3RB20 16-1PB0
2.8 ...
3.5 ...
4
5
4.5 ... 6.3
3
6
... 12
... 25
3RB20 26-1SB0
3RB20 26-1QB0
5.5 ...
8
7
9
... 10
... 12.5
11 ... 16
14 ... 20
17 ... 22
20 ... 25
4
7)
3RA19 33-3D )
3RT19 26-4BA31
3RA19 32-2E
5.5 ...
8
3RU11 36-1HB0
3RU11 36-1JB0
3RU11 36-1KB0
3RU11 36-4AB0
3RU11 36-4BB0
3RU11 36-4DB0
3RU11 36-4EB0
3RU11 36-4FB0
3RU11 36-4GB0
3RU11 36-4HB0
3
6
... 12
... 25
3RB20 26-1SB0
3RB20 36-1QB0
7
9
... 10
... 12.5
11 ... 16
14 ... 20
18 ... 25
22 ... 32
28 ... 40
36 ... 45
40 ... 50
12.5 ... 50
12.5 ... 50
3RB20 36-1UB0
3RB20 46-1UB0
3RT19 36-4BA31
3RT19 36-4BA31
3RA19 32-2F
3RA19 42-2E
4
3RA19 43-3D )
18 ... 25
22 ... 32
28 ... 40
36 ... 45
45 ... 63
57 ... 75
70 ... 90
3RU11 46-4DB0
3RU11 46-4EB0
3RU11 46-4FB0
3RU11 46-4HB0
3RU11 46-4JB0
3RU11 46-4KB0
3RU11 46-4LB0
25
50
... 100
... 200
3RB20 46-1EB0
3RB20 56-1FC2
4
3RA19 53-3D )
3RT19 46-4BA31
3RA19 52-2E
--
--
4
3RA19 63-3D )
3RT19 56-4BA31
3RT19 66-4BA31
3RA19 62-2E
3RA19 72-2E
--
--
--
--
55
... 250
... 630
3RB20 66-1GC2
3RB20 66-1MC2
5
3RA19 73-2A )
160
6) Only stand-alone installations possible in combination with the
3RB29 13-0AA1 terminal bracket for stand-alone installation.
7) Only stand-alone installation possible in combination with the
3RB29 23-0AA1 terminal bracket for stand-alone installation.
Siemens LV 1 · 2006
3/47
SIEMENS [ Siemens Semiconductor Group ]
