PHOENIX CONTACT RIF-2-RPT-LDP-24DC/2X21 / RIF2RPTLDP24DC2X21 (NEW NO BOX)

16 Channel RS232 Relay DB9 Female Interface Serial Port Remote Control Switch

BTR / Metz Connect KRA-S12/21-21-21 Relay Interface Module 24V PLC Coupling Unit

4 Pack Klemsan KPR-SCE-24VAC/DC-1C Interface Relay HF41F/24-ZT 24VDC Coil

R223C16 16-Channel RS232 Relay DB9 Female Interface Serial Port Module DC 12V

Weidmuller TRS 24-230VUC 1CO TRS Interface Relay Module 1122850000 24-230V AC DC