SIEMENS
8/34
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Load Feeders and Motor Starters for Use in the Control Cabinet
SIRIUS 3RA2 Load Feeders
3RA22 reversing starters for snapping onto standard mounting rails or for screw fixing
8
Footnote explanations for pages 8/33 and 8/34:
1)
For push-in lugs,
see "Accessories" on page 8/52
.
2)
For auxiliary switches,
see "Accessories" on page 8/45
.
3)
The actual starting and rated data of the motor to be protected must be
considered when selecting the units.
4)
RH = assembly kit for reversing duty and standard rail mounting in sizes
S0 and S2.
5)
Suitable for use with IE3/IE4 motors up to a starting current of 256 A.
For higher starting currents we recommend using size S2.
6)
Maximum permissible current setting at motor starter protector 65 A.
Type of coordination "2" at
I
q
= 150 kA at 400 V
(also compatible with type of coordination "1")
S3
Size S3 available on request
Size S3 is only available for self-assembly
3RA2210
3RA2220
Reversing duty
Rated control supply voltage
50/60 Hz 230 V AC for S00, 50 Hz 230 V AC for S0, S2 and S3
With screw terminals
•
Screw fixing with two push-in lugs per load feeder
possible
1)
•
Without standard mounting rail adapter for size S00
•
With 2 standard mounting rail adapters for size S0 for me-
chanical reinforcement (included in the scope of supply)
•
The motor starter protector and contactor are mechani-
cally and electrically connected by means of the link
module.
•
Auxiliary switches
2)
on the motor starter protector and
the contactor can be easily fitted thanks to the modular
system.
•
With contactor sizes S0, S2 and S3, an integrated
NO contact is still available for free use.
Size
Standard
three-phase
motor
4-pole at
400 V AC
3)
Adjustable
current
response value
of the inverse-
time delayed
overload
release
Comprising the following
single devices
SD
Fuseless
load feeder
PU
(UNIT,
SET, M)
PS*
PG
Stan-
dard
output
P
Motor
current
I
(guide
value)
Motor
starter
protectors
+ 2 contac-
tors
+ Link
module
+ RH assem-
bly kit
4)
/
wiring kit
Screw terminals
Article No.
Basic
price
per PU
kW
A
A
d
© Siemens AG 2016