| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | HG3-SF | SOCKET DIRECT MNT FOR HG3 RELAYSOCKET DIRECT MNT FOR HG3 RELAY | Panasonic Electric Works |
| 3 | 2972673 | INTERFACE MODULE W PLUG-IN SKTRelay Socket DIN Rail | Phoenix Contact |
| 4 | 911345 | RSRM 4 24VDC DPDT 10A SKTRelay | Weidmuller |
| 5 | T9AV1D12-9 | RELAY GEN PURPOSE SPST 30A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | PB-32SM | I/O MOUNTING BOARD MINI 32POSI/O Module Rack 32 Channel | Sensata-Crydom |
| 7 | 70G-OAC5A-L | OUTPUT MODULE AC G5 20MA 5VDCAC Output Module Output Module 0.03 ~ 3.5A 24 ~ 280VAC (240VAC Nom) Output 5VDC (4 ~ 6VDC) Suppl... | Grayhill Inc. |
| 8 | ARA210A05 | RELAY RF DPDT 1A 5V | Panasonic Electric Works |
| 9 | ARN30A4H | RELAY RF SPDT 4.5V | Panasonic Electric Works |