| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2966281 | RELAY GEN PURPOSE SPDT 50MA 120VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | G6SK-2F DC5 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | V23026C1051B201 | RELAY GENERAL PURPOSE SPDT 1A 5VGeneral Purpose Relay SPDT (1 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | JRS400400 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 6 | MKS2XTIN-11 AC120 | RELAY GEN PURPOSE DPST 5A 120VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 120VAC Coil Socketable | Omron Automation and Safety |
| 7 | MY2K DC12 | RELAY GEN PURPOSE DPDT 3A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 8 | 70-IDC5B | INPUT MODULE DC 18MA 5VDCDC Input Module Output Module 18mA 5VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |
| 9 | ARS1612 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |