DC 6-24V 5A DPDT Relay Module Switching Indicator Robust High Safety Two-Pole Double Throw Self-locking Bistable Relay Board Electric for LED Motor: Amazon.de: Business, Industry & Science
Functional Safety | Safety relay modules | DOLD
Allen-Bradley Sicherheitsrelais MSR127T Safety Relay Module 440R-N23126 Serie C | eBay