
Siemens – 3RP1505‑1AW30 – SIRIUS Multifunction Timing Relay 0.05 s–100 h, 24–240
The Siemens 3RP1505‑1AW30 (SIRIUS series) is a compact multifunction timing relay with one change-over contact. It supports eight timing functions and 15 adjustable time ranges from 0.05 s to 100 h, making it ideal for versatile control tasks in automation, motor control, and process systems. Featuring a universal 24–240 VAC/DC supply, mechanical durability, LED status indicators, and DIN-rail mounting, it’s built for reliability and flexibility.
Key Features & Technical Specifications:
Model: 3RP1505‑1AW30 (SIRIUS electronic timer)
Timing: 8 functions (e.g., on-delay, pulse, flasher) across 15 ranges (0.05 s to 100 h)
Contact Output: 1 SPDT change-over contact (thermal current 5 A, AC-15 @ 230 V = 3 A)
Supply Voltage: Universal 24–240 V AC/DC @ 50/60 Hz
Precision: ±5% setting accuracy; repeatability ±1% full scale
Durability: Mechanical cycle life ~10 million; electrical endurance 100k cycles @ AC-15
Response: Minimum ON time 35 ms; recovery time 150 ms
Safety & EMC: Surge suppression built-in; IEC 61812‑1, EMC (EN 61000‑6‑4/–6‑2), IP20 terminal protection
Temperature & Build: –25…+60 °C operating; 22.5 mm slim housing; DIN‑rail mount with screw terminals