| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | EE2-12TNU | RELAY GEN PURPOSE DPDT 2A 12VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 3 | EE2-3SNU-L | RELAY GEN PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 4 | AGN2004H | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 5 | 2-1437683-8 | TERM BLOCK 8POS 22-12AWG 6-32Relay Socket DIN Rail | TE Connectivity AMP Connectors |
| 6 | RSL116079 | EXTENDED HEIGHT, 4 POLE/10 AMP,Relay | Amphenol Pcd |
| 7 | 2982809 | PLC-BSP- 24UC/ 1/ACTRelay | Phoenix Contact |
| 8 | G7SA-2A2B DC48 | RELAY SAFETY 4PST 6A 48VSafety Relay 4PST-NO/NC (2 Form A, 2 Form B) 48VDC Coil Socketable | Omron Automation and Safety |
| 9 | 70GRCK4-DIN | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |