| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2903335 | RELAY GEN PURPOSE SPDT 50MA 230VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 2 | SP4-PS | SOCKET PCB FOR SP4 RELAYSRelay Socket Through Hole | Panasonic Electric Works |
| 3 | RSE116681-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 4 | 1904045-4 | V23333Z0002A041-EV-000Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | 185403-2 | MODULAR RELAY HOLDERRelay | TE Connectivity Potter & Brumfield Relays |
| 6 | 2271390 | PLUG-IN BASE STD I/O MODULESRelay Socket Through Hole | Phoenix Contact |
| 7 | HC4-HSF-K | SOCKET SCRW FRONT WIRE HC4 RELAYRelay Socket Chassis Mount | Panasonic Electric Works |
| 8 | 9603180022 | RELAY RF SPST 500MA 3V | Standex-Meder Electronics |
| 9 | G6K-2F-RF-S-TR09 DC5 | RELAY RF DPDT 1A 5V | Omron Electronics Inc-EMC Div |