Solid-state relay module – PLC-OPT- 24DC/ 48DC/500/W – 2900378; PLC-INTERFACE with electronic PDT contact, consisting of PLC-BPT…/21 basic terminal block with push-in connection and integrated miniature solid-state relay, for mounting on DIN rail NS 35/7,5, 1 PDT, input: 24 V DC, output: 3 – 48 V DC/500 mA