| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 1393824-3 | RELAY SOCKETRelay | TE Connectivity Potter & Brumfield Relays |
| 3 | 2967837 | 14MM PLC-IC TERM BLOCK 24VRelay Socket DIN Rail | Phoenix Contact |
| 4 | 2967772 | 14MM PLC-HC BASIC TERM BLOCK 24VRelay Socket DIN Rail | Phoenix Contact |
| 5 | RY4S-UAC24V | 4PDT BLADE RELAYGeneral Purpose Relay 4PDT (4 Form C) 24VAC Coil Socketable | IDEC |
| 6 | G2RV-SR700 DC12 | RELAY GEN PURPOSE SPDT 6A 12VGeneral Purpose with Socket Relay SPDT (1 Form C) 12VDC Coil DIN Rail | Omron Automation and Safety |
| 7 | LY2-AC220/240 | RELAY GEN PURPOSE DPDT 10A 240VGeneral Purpose Relay DPDT (2 Form C) 240VAC Coil Socketable | Omron Automation and Safety |
| 8 | 70MRCK16-HS | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 9 | G5LE-1 DC12 | RELAY GEN PURPOSE SPDT 10A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |