The Siemens 3RP1505-1AW30 SIRIUS multifunction timing relay is a compact electronic control relay designed for industrial automation, switching, protection, and sequential timing applications. The relay supports 8 integrated timing functions with 15 selectable timing ranges from 0.05 seconds up to 100 hours, enabling highly flexible operation across various automation systems. It operates on a universal 24–240V AC/DC supply voltage and includes 1 changeover (SPDT) relay contact with LED status indication for simplified monitoring and diagnostics. Designed for DIN rail mounting, the relay is commonly used in motor control panels, conveyors, pumps, compressors, HVAC systems, process automation, and machinery control circuits. Its high repeat accuracy, compact industrial housing, and integrated surge suppression ensure reliable long-term operation in demanding industrial environments.
Product Specifications
| Specification | Details |
| Brand | Siemens |
| Model | 3RP1505-1AW30 |
| Product Series | SIRIUS 3RP |
| Product Type | Multifunction Time Relay |
| Timing Functions | 8 Functions |
| Time Setting Ranges | 15 Ranges |
| Adjustable Time Range | 0.05 Seconds – 100 Hours |
| Operating Voltage | 24 – 240V AC/DC |
| Frequency | 50/60 Hz |
| Contact Configuration | 1 Changeover Contact (SPDT) |
| Mounting Type | DIN Rail Mount |
| Terminal Type | Screw Terminal |
| Indication | LED Status Indicator |
| Rated Insulation Voltage | 300V |
| Protection Rating | IP20 |
| Power Consumption | 2 W / 4 VA |
| Mechanical Life | 10 Million Operations |
| Recovery Time | 150 ms |
| Minimum ON Period | 35 ms |
| Setting Accuracy | ±5% |
| Housing Width | 22.5 mm |
| Operating Temperature | -25°C to +60°C |
| Applications | Motor Control, Pumps, HVAC, Automation Panels |
| Country of Brand Origin | Germany |
