Table of contents
3RP25 Time Relays
4 Manual, 09/2019, A5E31947765002A/RS-AC/003
5 Connection .............................................................................................................................................. 31
5.1 Terminal assignment .............................................................................................................. 31
5.2 Position of the connecting terminals ...................................................................................... 35
5.3 Connection data for terminals ................................................................................................ 38
5.4 Connecting the screw-type terminals ..................................................................................... 39
5.5 Disconnecting the screw-type terminals ................................................................................ 40
5.6 Wiring rules for spring-loaded terminals (with push-in technology) ....................................... 41
5.7 Connect the spring-loaded terminal (push-in) ........................................................................ 42
5.8 Disconnect the spring-loaded terminal (push-in) ................................................................... 44
5.9 Attaching the terminals .......................................................................................................... 45
5.10 Removing the terminals ......................................................................................................... 46
6 Single function devices ............................................................................................................................ 49
6.1 Structure ................................................................................................................................. 49
6.2 Time setting single function unit ............................................................................................. 50
6.3 ON-delay ................................................................................................................................ 51
6.4 OFF-delay .............................................................................................................................. 54
6.5 Flasher relay asymmetrical (clock generator) ........................................................................ 58
6.6 Star-delta (wye-delta) function ............................................................................................... 59
6.7 Star-delta (wye-delta) function with coasting time (idling) ..................................................... 60
7 Multifunction units .................................................................................................................................... 65
7.1 Structure ................................................................................................................................. 65
7.2 Time setting multifunction unit ............................................................................................... 66
7.3 Function table multifunction (3RP2505) ................................................................................. 69
8 Technical data ......................................................................................................................................... 83
8.1 Technical data in Siemens Industry Online Support .............................................................. 83
9 Dimension drawings ................................................................................................................................ 85
9.1 Dimension drawings 3RP25 devices ..................................................................................... 85
10 Spare parts/accessories .......................................................................................................................... 89
10.1 Accessories for 3RP25 .......................................................................................................... 89