| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | G6SK-2F DC12 | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | TQ2SA-4.5V-Z | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 2271031 | PLUG-IN BASE STD I/O MOD W/SAFERelay Socket Through Hole | Phoenix Contact |
| 5 | MS-4H | I/O MOUNTING BOARD MINI 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 6 | G6K-2F-RF DC4.5 | RELAY RF DPDT 1A 4.5V | Omron Electronics Inc-EMC Div |
| 7 | 70-IDC24NP | INPUT MODULE AC/DC 18MA 24VDCAC/DC Input Module Output Module 10mA 24VDC Output 15 ~ 32VAC, 10 ~ 32VDC Supply | Grayhill Inc. |
| 8 | HS202 | HEATSINK SSR 2.0DEG C/W PNL MNTHeat Sink Multiple Series | Sensata-Crydom |
| 9 | 20C247 | SPRING RELAY HOLD-DOWNClip, Hold Down KUL Series | TE Connectivity Potter & Brumfield Relays |