Overspeed protection system (SIL2) - SpeedSys 200 — Speedsys
G.M. International srl - SIL rated products according IEC 61508 and IEC 61511
Schneider Electric, TeSys K, CA4KN22BW3, TeSys K control relay - 2 NO + 2 NC - 690 V - 24 V DC low consumption coil : Amazon.co.uk: Business, Industry & Science
XPSBCE3710C | Schneider Electric Two Hand Control Safety Relay, 230V ac, 2 Safety Contacts | RS