| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2955331 | CONN TERM BLOCKRelay | Phoenix Contact |
| 3 | JRS500101 | QUICK MOUNT, 5 POLE WCRelay | Amphenol Pcd |
| 4 | RY2S-ULDC24V | RELAY PLUG-IN DPDT 3A 24VDCGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | IDEC |
| 5 | RP421024 | RELAY GEN PURPOSE DPDT 8A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | PT28800 | RETAINING CLIP METAL PT SERIESClip, Hold Down PT78 Sockets, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 7 | 70G-ODC24B | OUTPUT MODULE DC G5 9MA 24VDCDC Output Module Output Module 0.02 ~ 3.5A 3 ~ 60VDC Output 24VDC (18 ~ 32VDC) Supply | Grayhill Inc. |
| 8 | 2-1393102-2 | SPACER FOR KRPA SERIES RELAYSpacer KRPA Series | TE Connectivity Potter & Brumfield Relays |
| 9 | ARA210A24 | RELAY RF DPDT 1A 24V | Panasonic Electric Works |