| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | G6S-2F-TR DC9 | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 2 | AGN21012 | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | 2900450 | PLC-BPT- 24UC/ 1/ACTRelay | Phoenix Contact |
| 4 | HC3-SS-K | SOCKET SLD TAB W/CLIP HC3 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 5 | 2833589 | RELAY SKT DPDT OR 4PDT DIN RAILRelay Socket DIN Rail | Phoenix Contact |
| 6 | MY4IN DC24 (S) | RELAY GEN PURPOSE 4PDT 3A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | Omron Automation and Safety |
| 7 | 2972835 | I/O MOUNTING BOARD 4POSI/O Module Rack 4 Channel | Phoenix Contact |
| 8 | 2IO24 | I/O MOUNTING BRD STANDARD 24POSI/O Module Rack 24 Channel | TE Connectivity Potter & Brumfield Relays |
| 9 | SY4S-51F1 | RELAY HOLD DOWN SPRINGClip, Hold Down RY Series Sockets | IDEC |