| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | HY1-1.5V | RELAY TELECOM SPDT 1A 1.5VTelecom Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 3 | DK2A-3V | RELAY GEN PURPOSE DPST 8A 3VGeneral Purpose Relay DPST-NO (2 Form A) 3VDC Coil Through Hole | Panasonic Electric Works |
| 4 | XT374T30 | RELAY GEN PURPOSE SPDT 16A 230VGeneral Purpose Relay SPDT (1 Form C) 230VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | G6C-1117P-US-DC12 | RELAY GEN PURPOSE SPST 10A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | HS053 | HEATSINK SSR 0.5DEG C/W PNL MNTHeat Sink Multiple Series | Sensata-Crydom |
| 7 | 70MRCK16-RL | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 8 | C4IDC | INPUT MODULE DC 20MA 4.5-30VDCDC Input Module Output Module 25mA 4.5 ~ 30VDC Output 10 ~ 32VDC Supply | Sensata-Crydom |
| 9 | 2905195 | DIN RAIL ADAPTER RIF-1Adapter RIF-1 Relay Base | Phoenix Contact |