| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | G6K-2F-Y DC4.5 | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 2 | HE2AN-Q-DC12V | RELAY GEN PURPOSE DPST 25A 12VGeneral Purpose Relay DPST-NO (2 Form A) 12VDC Coil Chassis Mount | Panasonic Electric Works |
| 3 | 4-2158100-6 | RZL3-1C4-L012-WRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 4 | V23057-B0002-A201 | RELAY GEN PURPOSE SPDT 8A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | 70GRCK4R | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 6 | 70MRCQ24-HL | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 7 | PB-16C4 | I/O MOUNTING BOARD C4 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 8 | 2022104-1 | ACCY RETAIN CLIP DIN SCKTClip, Hold Down RT78726 Socket, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 9 | 2905983 | BRACKET RETAININGClip, Hold Down RIF-4 Relay Base | Phoenix Contact |