Siemens Sirius 3TK2828-1BB40 Safety Relay

This Siemens relay is a safety monitoring relay designed for safety circuits, featuring two inputs and one NO plus two NC outputs. It operates within a temperature range of -25°C to +60°C and meets multiple safety standards.

• The description claims the relay has a response time of ≤ 30 ms (typical) and recovery time of ≤ 100 ms.
• The description claims the relay is certified to Category 4 (EN ISO 13849-1), Performance Level PL e, and SIL 3 (IEC 61508).
• The description claims the relay supports cross-circuit detection and short-circuit monitoring.