| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2967426 | 6.2MM PLC SENSOR TERM BLOCKSRelay Socket DIN Rail | Phoenix Contact |
| 3 | ST-PS | SOCKET RELAY ST1/ST2 PC MNTRelay Socket Through Hole | Panasonic Electric Works |
| 4 | 5521814 | RELAY SOCKETRelay Socket DIN Rail | Phoenix Contact |
| 5 | G6B-2114P-1-US DC12 | RELAY GEN PURPOSE DPST 5A 12VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | 70LRCK16-DIN | I/O MOUNTING BRD OPENLINE 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 7 | 9270-12-20TR | RELAY RF SPST 500MA 12V | Coto Technology |
| 8 | SV9Z-J232W | 14MM RELAY JUMPER GRAYJumper RV8 Series | IDEC |
| 9 | DR2260D30V | RELAY SSR 600V 30A DIN RAIL | Sensata-Crydom |