Image is Representational - See Manufacturer Specs | PLC-INTERFACE - consisting of PLC-BPT.../21 basic terminal block with push-in connection and plug-in miniature solid-state relay - for mounting on DIN rail NS 35/7 5 - 1 N/O contact - input: 24 V DC - output: 3 - 33 V DC/3 A The 2900364 is a General Purpose Power Relay with spring clamp connection. The PLC interface consisting of PLC-BPIT basic terminal block with push-in connection and pluggable miniature optocoupler for assembly on DIN-rail NS 35/7.5.