| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | AGQ260A4H | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | EC2-3NU | RELAY GEN PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) Through Hole | KEMET |
| 3 | 4-1904045-5 | V23333Z1001B045-EV-03DRelay | TE Connectivity Potter & Brumfield Relays |
| 4 | T9GS1L24-12 | T9GS1L24-12General Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | PB-24C4 | I/O MOUNTING BOARD C4 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 6 | 70GRCK8-HL | I/O MOUNTING BOARD G5 8POSI/O Module Rack 8 Channel | Grayhill Inc. |
| 7 | 2973041 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 8 | 2976734 | I/O MOUNTING BOARD 16POSI/O Module Rack 16 Channel | Phoenix Contact |
| 9 | 70-IAC5 | INPUT MODULE AC 8MA 5VDCAC Input Module Output Module 10mA 5VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Grayhill Inc. |