The Zander Aachen SR3D (Order No. 472272) is a high-performance safety relay designed for emergency stop and safety guard monitoring. It features 3 normally open safety contacts with positive guided operation and 1 normally closed auxiliary contact, providing reliable safety shutdown up to SIL 3 / PL e. With a wide AC/DC 24V power supply and a response time of less than 7ms, it is suitable for single or dual-channel safety circuits. Certified by Germanischer Lloyd (GL) for maritime applications and compliant with major international safety standards, it is widely used in machinery, furnace systems, and shipboard automation.
