| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 4-1462039-1 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 2 | 5-1393810-9 | RELAY GEN PURPRelay | TE Connectivity Potter & Brumfield Relays |
| 3 | TQ2H-12V | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | V23079A1001B301 | RELAY GENERAL PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | HG3-SFDUL | SOCKET W/CLIP SCRW DIN HG3 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 6 | 2282091 | I/O MOUNTING BOARDI/O Module Rack 4 Channel | Phoenix Contact |
| 7 | 20C254 | SPRING HOLD-DOWN KU RELAYS SNAPClip, Hold Down KU Series | TE Connectivity Potter & Brumfield Relays |
| 8 | ARE13A4HZ | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |
| 9 | 9270-05-20 | RELAY RF SPST 500MA 5V | Coto Technology |