| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-DIDRB | DRIVER ID READER AND BUTTON | Digi International |
| 2 | G5V-1-T90 DC24 | RELAY GEN PURPOSE SPDT 1A 24VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | SP4-SS | SOCKET SOLDERING FOR SP4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 4 | RSL116059 | EXTENDED HEIGHT, 4 POLE/10 AMP,Relay | Amphenol Pcd |
| 5 | 2900253 | PLC-BPT- 12DC/21HCRelay | Phoenix Contact |
| 6 | RTB34024F | RELAY GEN PURPOSE SPST 12A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 1432867-1 | RELAY GEN PURPOSE SPST 40A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | TX2-LT-3V-TH | RELAY GENERAL PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) 3VDC Coil Through Hole | Panasonic Electric Works |
| 9 | SY4S-51F1 | RELAY HOLD DOWN SPRINGClip, Hold Down RY Series Sockets | IDEC |