The Siemens SIRIUS 3RP Timers are compact, multifunction electronic timing relays designed for time-delayed switching in industrial automation. Known for their precision, durability, and versatility, these timers are widely used in motor control, machine tools, process automation, and material handling applications.
Part of Siemens’ trusted SIRIUS industrial control range
Compact and space-saving design (as narrow as 22.5mm width)
High repeat accuracy (< ±1%) and switching reliability
Multifunction options: on-delay, off-delay, interval, cyclic, star-delta
LED indicators for supply status and relay switching state
Long mechanical life (up to 30 million operations)
Universal voltage ratings for flexibility across systems
Integrated surge suppression for circuit protection
Excellent EMC performance for interference immunity
The Siemens 3RP Timer series is built to deliver consistent performance in demanding industrial environments. Its compact design saves valuable space in control panels, while multifunction capability reduces the need for multiple devices. Whether you need reliable motor starting, precise process control, or durable timing for automation systems, Siemens 3RP timers ensure efficiency and long service life.
Motor Control – including Star-Delta starting
Machine Tools – precise time-delayed functions
Material Handling Systems
Process Automation
Industrial Control Panels & Switchgear
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| Brand | Siemens |
| Series | SIRIUS 3RP |
| Product Type | Electronic Timing Relay |
| Functions Available | On-delay, Off-delay, Interval, Cyclic, Star-Delta |
| Width | 22.5mm (typical) |
| Mechanical Endurance | Up to 30 million operations |
| LED Indication | Supply voltage & relay status |
| Protection | Integral surge suppression |
| EMC Performance | High immunity to interference |
| Country of Origin | Germany |
