| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | MYQ4-02-DC24 | RELAY GEN PURPOSE 4PDT 1A 24VGeneral Purpose Relay 4PDT (4 Form C) Through Hole | Omron Automation and Safety |
| 3 | 27E894 | RELAY SOCKETS RAIL MOUNTRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 4 | 5529191 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 5 | 70MRCQ24-EC | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 6 | 20C228 | SPRING HOLD-DOWN FOR KU RELAYSClip, Hold Down KU Series | TE Connectivity Potter & Brumfield Relays |
| 7 | ACJ5112 | RELAY AUTOMOTIVE SPDTX2 20A 12V | Panasonic Electric Works |
| 8 | ACT212 | RELAY AUTOMOTIVE SPDTX2 20A 12V | Panasonic Electric Works |
| 9 | ARS10Y12X | 3 GHZ MICROWAVE RELAYS MINIATURE | Panasonic Electric Works |