SIEMENS
3/105
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Power Contactors for Switching Motors
Accessories and Spare Parts for SIRIUS 3RT Contactors and SIRIUS 3RH2 Contactor Relays
Accessories
Modules for contactor control
3
PU (UNIT, SET, M)
= 1
PS*
= 1 unit
PG
= 41B
1)
AC voltage values apply for 50 Hz and 60 Hz.
2)
Cannot be fitted onto coupling relays and coupling contactor relays.
3)
From product version E03 onwards, 3RA283. function modules can be
used for 3RT2.4 contactors.
4)
From product version E04 onwards, 3RA2816 function modules can be
used for 3RT2.4 contactors.
For technical specifications,
see page 3/85
.
Assembly of reversing starters
We offer ready-made wiring kits for the assembly of reversing
starters. Use of these wiring kits offers further advantages;
see page 3/161
.
Manual
For the manual "SIRIUS – SIRIUS 3RA28 function modules for
mounting on 3RT2 contactors",
see
.
For
contactors
Size
Version
Rated control
supply
voltage
U
s
1)
Time
setting
range
t
SD
Screw terminals
SD
Spring-type
terminals
Type
V AC/DC
s
d
Article No.
Price
per PU
d
Article No.
Price
per PU
3RA28 function modules for mounting on 3RT2 contactors and
3RH2 contactor relays
For direct-on-line starting
3RT2.1
2)
,
3RT2.2
2)
,
3RH21
2)
,
3RH24
S00, S0
ON-delay
Two-wire design,
varistor integrated
The electrical connection
between the function module
and the contactor
underneath is established
automatically when it is
snapped on and locked.
24 ... 240
0.05 ...100
(1, 10, 100;
selectable)
2
3RA2811-1CW10
2
3RA2811-2CW10
3RT2.3
2)
,
3RT2.4
2)3)
S2, S3
24 ... 90
0.05 ...100
(1, 10, 100;
selectable)
2
3RA2831-1DG10
2
3RA2831-2DG10
90 ... 240
2
3RA2831-1DH10
2
3RA2831-2DH10
3RT2.1
2)
,
3RT2.2
2)
,
3RH21
2)
,
3RH24
S00, S0
OFF-delay
with control signal
Varistor integrated
The electrical connection
between the function module
and the contactor
underneath is established
automatically when it is
snapped on and locked.
24 ... 240
0.05 ...100
(1, 10, 100;
selectable)
2
3RA2812-1DW10
2
3RA2812-2DW10
3RT2.3
2)
,
3RT2.4
2)3)
S2, S3
24 ... 90
0.05 ...100
(1, 10, 100;
selectable)
2
3RA2832-1DG10
2
3RA2832-2DG10
90 ... 240
2
3RA2832-1DH10
2
3RA2832-2DH10
For star-delta (wye-delta) starting
3RT2.1,
3RT2.2,
3RT2.3
2)
,
3RT2.4
2)4)
S00 ... S3
Varistor integrated
The electrical connection
between the function module
and the contactor assembly
is established automatically
by snapping on and plugging
in the connecting cables.
24 ... 240
0.5 ... 60
(10, 30, 60;
selectable)
2
3RA2816-0EW20
2
3RA2816-0EW20
Accessories
3RA28
S00 ... S3
Sealable covers
2
3RA2910-0
2
3RA2910-0
3RA2812-1DW10
3RA2816-0EW20
3RA2811-2CW10
© Siemens AG 2016