| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2-5V-3 | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | SFS4-SFD | SOCKET RELAY DIN MNT FOR 4PRelay Socket DIN Rail | Panasonic Industrial Automation Sales |
| 4 | MKS2XTN-11 DC24 | RELAY GEN PURPOSE DPST 5A 24VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 24VDC Coil Socketable | Omron Automation and Safety |
| 5 | 2967060 | RELAY GEN PURPOSE DPDT 6A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 6 | MT3210C4 | RELAY GEN PURPOSE 3PDT 10A 24VGeneral Purpose Relay 3PDT (3 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | DK1A1B-L2-12V | RELAY GEN PURPOSE DPST 8A 12VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 8 | 70GRCK8-HS | I/O MOUNTING BOARD G5 8POSI/O Module Rack 8 Channel | Grayhill Inc. |
| 9 | 9202-05-00 | RELAY RF SPST 500MA 5V | Coto Technology |