| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2903337 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 2 | HC4-HSF-K | SOCKET SCRW FRONT WIRE HC4 RELAYRelay Socket Chassis Mount | Panasonic Electric Works |
| 3 | 5601975 | RELAY SOCKET OCTAL 24VDC 10ARelay Socket DIN Rail | Phoenix Contact |
| 4 | 5521856 | FLKMI/O/G4Relay Socket DIN Rail | Phoenix Contact |
| 5 | SFS2-DC24V | RELAY SAFETY 4PST 6A 24VSafety Relay 4PST-NO/NC (2 Form A, 2 Form B) 24VDC Coil Through Hole | Panasonic Industrial Automation Sales |
| 6 | 2-1415899-9 | RZH3-1A4-D024Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | RTD14615 | RELAY GEN PURPOSE SPDT 16A 115VGeneral Purpose Relay SPDT (1 Form C) 115VAC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | P7TF-OS16-1 DC12-OLD | RELAY BLK OUTBASE ONLY 12VDCI/O Module Rack Channel | Omron Automation and Safety |
| 9 | PB-8H | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | Sensata-Crydom |