Siemens 3RP25 Manual page 68

Multifunction units
7.2 Time setting multifunction unit
2 CO contacts in parallel,
Functions
These are set as follows using a function selector switch:
● Time relay with 1 CO contact: 13 functions (A - M)
● Time relay with 2 CO contacts: 27 functions (for both 2CO and 1CO+1CO A - M as well
as star-delta YD)
Selection of the respective function is described in the following Section (see Section
"Function table multifunction (3RP2505) (Page 69)").
Note
Unless otherwise specified, the ON duration is always at least 35 ms for all subsequently
described functions with control signal.
68
2CO
delayed contacts
1CO+1CO
2 CO contacts,
1x delayed contact
1x instantaneous contact
Manual, 09/2019, A5E31947765002A/RS-AC/003
1CO - 1 CO contact
1NO - 1 semiconductor
3RP25 Time Relays