| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2SA-L2-4.5V-Z | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | RSE500315 | SMITHS, LCRelay | Amphenol Pcd |
| 3 | SFS4-SFD-R | TERMINAL SKT SPADE & RING 4POLERelay Socket DIN Rail | Panasonic Electric Works |
| 4 | 27E194 | SOCKET 4POLE R10 SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | P2RF-05-E | SOCKET TRACK MNT G2R-1-SRelay Socket DIN Rail | Omron Automation and Safety |
| 6 | SP2-L2-DC12V | RELAY GEN PURPOSE DPDT 15A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | Panasonic Electric Works |
| 7 | 2IO4A | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 8 | 5601741 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | ARE13A12Z | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |