| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TX2SA-5V-1 | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | TQ2SA-L-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | HY1-3V | RELAY TELECOM SPDT 1A 3VTelecom Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 4 | 5521856 | FLKMI/O/G4Relay Socket DIN Rail | Phoenix Contact |
| 5 | TX2SS-LT-3V-TH | RELAY GENERAL PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) 3VDC Coil Surface Mount | Panasonic Electric Works |
| 6 | SR4M4021 | RELAY SAFETY 4PST 8A 21VSafety Relay 4PST-NO/NC (3 From A, 1 Form B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | G2RL-14 DC48 | RELAY GEN PURPOSE SPDT 12A 48VGeneral Purpose Relay SPDT (1 Form C) 48VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | G2R-2A-DC12 | RELAY GEN PURPOSE DPST 5A 12VGeneral Purpose Relay DPST-NO (2 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 9 | 70RCK24-HL | I/O MOUNTING BRD STANDARD 24POSI/O Module Rack 24 Channel | Grayhill Inc. |