Eaton ESR5-NO-31-24VAC-DC Safety Relay, Single Dual Channel Main Unit, 3 NO Safety Output, 1 NC Signal Output, 24 VAC/DC Control Voltage : Amazon.in: Industrial & Scientific
118703 ESR5-NZ-21-24VAC-DC Eaton | Eaton Dual-Channel Safety Switch/Interlock, Two Hand Control Safety Relay, 24V, 2 Safety Contacts | 812-8979 | RS Components