Siemens 3RP25

Description
3.4 Special features
3RP25 Time Relays
Manual, 09/2019, A5E31947765002A/RS-AC/003
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3.4 Special features
Operating temperature
For operation from -25 °C to +60 °C, there are no restrictions for the control supply,
switching current, or ON time.
Time ranges
Up to 7 time ranges are available from 0.05 s to 100 h. These are as follows:
● 0.05 s - 1 s
● 0.5 s - 10 s
● 5 s - 100 s
● 0.5 min - 10 min
● 0.05 h - 1 h
● 0.5 h - 10 h
● 5 h - 100 h
Wide voltage range
All functions can be operated with a wide voltage range 12 ... 240 V AC/DC.
Electrical service life
The electrical service life with contactor load (e.g. 3RT1016 contactor) is 10 million operating
cycles.
The electrical service life at 230 V AC voltage, utilization category AC-15/3 A is 100 000
operating cycles.
Start/control contact
With functions requiring a continuously active supply voltage at terminals A1/A2, the timer
function is started by a control signal at terminal B1.