Sick RLY-OSSD400 Safety Relay, 24VDC 2.5W

The Sick RLY3‑OSSD400 is a ReLy‑series safety relay module designed as an output expansion module for OSSD‑based safety sensors. It provides four safe, positively‑guided relay outputs to increase switching capacity in safety systems, with built‑in EDM support and SIL3 / PL e performance. Technical Specifications Manufacturer: SICK AG Model: RLY3‑OSSD400 (Part No. 1099971) Series: ReLy Safety Relays (OSSD Output Expansion) Application: Output expansion module for safety sensors with OSSDs (e.g., light curtains, safety scanners) Supply Voltage (Input Circuits): 24 VDC (15–30 VDC) Power Consumption: ≤ 2.5 W (passive unit, no active power supply) Inputs: 2× safety inputs (OSSD) Outputs (Safe): 4× enabling current paths (N/O, positively guided) Output Ratings: 10 mA to 6 A; up to 230 VAC or 230 VDC switching capability Total Output Current: 12 A max Feedback Output: 1× N/C (non‑safe) for EDM Signaling Output: 1× N/C (non‑safe) Safety Ratings: SIL3 (IEC 61508), Category 4, PL e (ISO 13849‑1), PFHD 1×10⁻⁹, TM 20 years Response Time: 12 ms opening of safety outputs Connection Type: Front connector with spring terminals Display: LED indicators Dimensions (W×H×D): 28 mm × 124.6 mm × 85.5 mm Weight: 180 g Enclosure Rating: IP20 Operating Temperature: −25 °C to +55 °C Mounting: DIN‑rail Country of Manufacture: Hungary Please review pictures carefully and let us know if you have any questions!