| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2SL-4.5V | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | D3227 | RELAY TELECOM DPDT 2A 24VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | 2950695 | RELAY MODULE 4PDTRelay Socket DIN Rail | Phoenix Contact |
| 4 | 2967824 | TERM BLOCKRelay | Phoenix Contact |
| 5 | NC4-PS | SOCKET PCB FOR SLIM NC4D RELAYRelay Socket Through Hole | Panasonic Electric Works |
| 6 | 70RCK24-HS | I/O MOUNTING BRD STANDARD 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 7 | CB1A-24V | RELAY AUTOMOTIVE SPST 20A 24V | Panasonic Electric Works |
| 8 | ACJ5212 | RELAY AUTOMOTIVE SPDTX2 20A 12V | Panasonic Electric Works |
| 9 | 73G-OI420 | I/O MODULE 4-20MA 12-BIT;3.90UAAnalog Output Module Output Module Output Supply | Grayhill Inc. |