| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TXS2SA-4.5V-Z | RELAY GEN PURPOSE DPDT 1A 4.5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | RSE120165 | LOW PROFILE, 2 POLE/5 AMP, WCRelay | Amphenol Pcd |
| 4 | RSE500201 | SMITHSRelay | Amphenol Pcd |
| 5 | PTF14A | SOCKET LY4Relay Socket DIN Rail | Omron Automation and Safety |
| 6 | PYF08A-E | RELAY SOCKET TRACK MNT MY SERRelay Socket DIN Rail | Omron Automation and Safety |
| 7 | T9AV5D12-24 | RELAY GEN PURPOSE SPDT 20A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 70MRCK24-RL | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 9 | 9200-0124TR | RELAY RF SPST 500MA 5V | Coto Technology |