| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2SA-4.5V | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | HG3-SFDUL | SOCKET W/CLIP SCRW DIN HG3 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 3 | 18831 | RELAY SOCKETRelay | Curtis Industries |
| 4 | HC4-PS-K | ACCY RELAY SOCKET W/CLIP HC4 PCBRelay Socket Through Hole | Panasonic Electric Works |
| 5 | RM78702 | RELAY SOCKET PC RM SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | 1860200-1 | SOCKET W/O SCREW FOR DINRAILRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 7 | R10-E1Y4-J10.0K | RELAY GEN PURPOSE 4PDT 3A 48VGeneral Purpose Relay 4PDT (4 Form C) 48VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 8 | 2972945 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | PB-32C4 | I/O MOUNTING BOARD C4 32POSI/O Module Rack 32 Channel | Sensata-Crydom |