| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | V23101D 6B201 | RELAY GEN PURPOSE SPDT 1.25A 12VGeneral Purpose Relay SPDT (1 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | TQ2SA-4.5V | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 911363 | RSM 2 24VAC DPDT 10A SKTRelay | Weidmuller |
| 5 | RSE116695 | LOW PROFILE, 2 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 6 | JH1-SF | ACCY RELAY SOCKET FOR HE1ARelay Socket DIN Rail | Panasonic Electric Works |
| 7 | VCF4-1003 | CONN FOR QC VF4-2 VF4-5 RELAYSRelay Housing Wiring Harness | TE Connectivity Potter & Brumfield Relays |
| 8 | 5-1415026-1 | RELAY GEN PURPOSE 4PDT 6A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 9 | RH3B-ULDC24V | RELAY PLUG-IN 3PDT 10A 24VDCGeneral Purpose Relay 3PDT (3 Form C) 24VDC Coil Socketable | IDEC |