| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2900308 | RELAY GEN PURPOSE SPDT 50MA 48VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | G6SU-2G-TR DC12 | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | DS2Y-S-DC12V | RELAY GEN PURPOSE DPDT 2A 12VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 5 | ZRLS15NA | DIN RAIL RLY SCKT 220/240VAC/DCRelay | Carlo Gavazzi Inc. |
| 6 | G6K-2F-RF DC4.5 | RELAY RF DPDT 1A 4.5V | Omron Electronics Inc-EMC Div |
| 7 | 70M-IDC5 | INPUT MODULE DC 18MA 5VDCDC Input Module Output Module 10mA 5VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |
| 8 | HS053 | HEATSINK SSR 0.5DEG C/W PNL MNTHeat Sink Multiple Series | Sensata-Crydom |
| 9 | G9SA-EX031-T075 | RELAY SAFETY EXP UNIT 3PExpansion Module G9SA Series | Omron Automation and Safety |