| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2SL-L2-12V | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | TX2SA-L2-12V-Z | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | PT78704 | SOCKET RELAY 4P DIN RAIL PT SERRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 4 | RSL116063 | EXTENDED HEIGHT, 2 POLE/10 AMP,Relay | Amphenol Pcd |
| 5 | 2972916 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |
| 6 | 2IOM4A | I/O MOUNTING BOARD MINI 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 7 | PB-4C4 | I/O MOUNTING BOARD C4 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 8 | PB-8H | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | Sensata-Crydom |
| 9 | 70MRCK16-RS | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |