Siemens SIRIUS 3RF Series User Manual

Table of contents
SIRIUS Innovations
16 System Manual, 01/2011, A8E56203870002-03
7 SIRIUS 3RA28 function modules for mounting on 3RT2 contactors ...................................................... 641
7.1 Standards.................................................................................................................................. 641
7.2
Produc
t description ................................................................................................................... 642
7.2.1
Dev
ice versions......................................................................................................................... 643
7.2.2 Performanc
e features................................................................................................................ 645
7.2.3 Applic
ations............................................................................................................................... 646
7.2.3.1 Func
tion modules for direct-on-line start................................................................................... 646
7.2.3.2 Func
tion modules for star-delta (wye-delta) start ..................................................................... 647
7.2.4 3RA28 functi
on modules........................................................................................................... 649
7.3 Produc
t combinations................................................................................................................ 650
7.3.1
Produc
t combinations................................................................................................................ 650
7.4 Func
tions................................................................................................................................... 651
7.4.1 Overvoltage
protection.............................................................................................................. 651
7.4.2 Time-delay
ed switching of contactors....................................................................................... 651
7.4.2.1 Res
ponse delay ........................................................................................................................ 651
7.4.2.2 OFF-delay wi
th auxiliary voltage............................................................................................... 653
7.4.2.3 OFF-delay
without auxiliary voltage.......................................................................................... 654
7.4.2.4 Star-delta
(wye-delta) function .................................................................................................. 655
7.5 Configuration
............................................................................................................................. 656
7.5.1
Configuration
............................................................................................................................. 656
7.6 Mounting...................................................
................................................................................. 660
7.6.1
Mounting inst
ructions ................................................................................................................ 660
7.6.2 Minimum cl
earances and mounting position............................................................................. 660
7.6.3 Mounting................................................................................................................
.................... 660
7.6.3.1 Functio
n modules for direct-on-line start (solid-state timing relay with semiconductor
output/solid-state time-delay auxiliary switch)........................................................................... 660
7.6.3.2
Func
tion module for star-delta (wye-delta) start ....................................................................... 662
7.6.4 Disass
embly.............................................................................................................................. 665
7.6.4.1 Functio
n modules for direct-on-line start (solid-state timing relay with semiconductor
output/solid-state time-delay auxiliary switch)........................................................................... 665
7.6.4.2
Func
tion module for star-delta (wye-delta) start ....................................................................... 666
7.6.5 Replac
ing the removable terminal ............................................................................................ 668
7.7 Connec
tion ................................................................................................................................ 669
7.7.1
Con
necting the function modules for direct-on-line start .......................................................... 669
7.7.1.1 Con
necting the solid-state timing relay with semiconductor output.......................................... 669
7.7.1.2 Connecting the soli
d-state time-delay auxiliary switch ............................................................. 671
7.7.2 Con
necting the function module for star-delta (wye-delta) start ............................................... 672
7.8 Operation.................................................................................................................
.................. 673
7.8.1 Setting the times
....................................................................................................................... 673
7.9 Ac
cessories............................................................................................................................... 674
7.9.1
Sealable c
over cap.................................................................................................................... 674
7.10 T
echnical data........................................................................................................................... 675
7.11 D
imension drawings.................................................................................................................. 677
7.11.1
Solid-s
tate timing relays with semiconductor output and solid-state time-delay auxiliary
switches..................................................................................................................................... 677
7.11.2
Star-delta
(wye-delta) modules ................................................................................................. 678
7.12 C
ircuit diagrams ........................................................................................................................ 679
7.12.1
Internal c
ircuit diagrams............................................................................................................ 680
7.12.2 Ex
ample circuit diagrams.......................................................................................................... 681

Siemens SIRIUS 3RF Series Specifications

General

Brand	Siemens
Model	SIRIUS 3RF Series
Category	Industrial Equipment
Language	English