The Siemens 3RP1531-1AP308K is a SIRIUS 3RP electronic off-delay timer relay designed to provide accurate and reliable time-delayed switching in industrial control and automation applications. Featuring 1 Changeover (1CO/SPDT) contact, this timer relay maintains the output for a preset duration after the control voltage is removed, making it ideal for controlled shutdown sequences, ventilation systems, lighting control, motor circuits, and process automation.
Powered by a 230V AC, 50/60 Hz supply, the timer offers precise electronic timing with adjustable delay settings for flexible operation across a wide range of industrial applications. Its compact design and screw terminal connections allow quick installation, secure wiring, and easy integration into new or existing control panels.
Manufactured to Siemens' renowned SIRIUS quality standards, the 3RP1531-1AP308K provides high switching accuracy, excellent repeatability, long electrical and mechanical life, and dependable performance even in demanding industrial environments. It is suitable for PLC systems, machine tools, HVAC equipment, conveyors, packaging machines, and OEM control panels.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Part Number | 3RP1531-1AP308K |
| Product Series | SIRIUS 3RP |
| Product Type | Electronic Timer Relay |
| Timing Function | Off-Delay |
| Contact Configuration | 1 Changeover (1CO / SPDT) |
| Supply Voltage | 230V AC, 50/60 Hz |
| Connection Type | Screw Terminals |
| Mounting Type | DIN Rail Mount |
| Time Setting | Adjustable |
| Timing Technology | Electronic |
| Housing Width | Compact Industrial Design |
| Degree of Protection | IP20 |
| Standards | IEC 60947 |
| Application | Time Delay Control & Automation |
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