| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 3-1415043-1 | SOCKET 4POLE PCB PTRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | P6D-04P | RELAY SOCKET PC MNT FOR G6D-ASIRelay Socket Through Hole | Omron Electronics Inc-EMC Div |
| 4 | 2700570 | RELAY SAFETY 3PST-NO 6A 24VSafety Relay 3PST-NO (3 Form A) 24VDC Coil DIN Rail | Phoenix Contact |
| 5 | 2963954 | RELAY SAFETY 4PST 6A 24VSafety Relay SPST-NO (1 Form A) x 4 24VAC/DC Coil DIN Rail | Phoenix Contact |
| 6 | PRD-7AG0-120 | RELAY GEN PURPOSE DPST 30A 120VGeneral Purpose Relay DPST-NO (2 Form A) 120VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | T90S5D42-24 | RELAY GEN PURPOSE SPDT 20A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | DRIAC24A | INPUT MODULE AC 5MA 24VDCAC Input Module Output Module 28mA 24VDC Output 180 ~ 280VAC (240VAC Nom) Supply | Sensata-Crydom |
| 9 | 2-1462051-5 | RELAY RF 1FORMC/1CO 2A 4.5V | TE Connectivity Potter & Brumfield Relays |