| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | AGQ20TS4HX | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | SP4-SS | SOCKET SOLDERING FOR SP4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 3 | 2967426 | 6.2MM PLC SENSOR TERM BLOCKSRelay Socket DIN Rail | Phoenix Contact |
| 4 | 2-1416100-5 | ST4FTP0Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | MT78745 | SOCKET DINRAIL DP FOR MT RELAYSRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | PT78603 | SOCKET 3 POLE PCB PTRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | BR230-290B2-28V-021M | RELAY GEN PURPOSE 4PDT 10A 28VGeneral Purpose Relay 4PDT (4 Form C) 28VDC Coil Chassis Mount | Microsemi Corporation |
| 8 | 70RCK8 | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | Grayhill Inc. |
| 9 | 2972990 | VARIOFACE MODULE 16 PLUGGABLEI/O Module Rack 16 Channel | Phoenix Contact |