| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | NC4-JPL2S | SOCKET PCB FOR FLAT NC4D-JPL2Relay Socket Through Hole | Panasonic Electric Works |
| 3 | 2972673 | INTERFACE MODULE W PLUG-IN SKTRelay Socket DIN Rail | Phoenix Contact |
| 4 | NC2EBD-P-DC24V | RELAY GEN PURPOSE DPDT 5A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Through Hole | Panasonic Electric Works |
| 5 | 2022104-1 | ACCY RETAIN CLIP DIN SCKTClip, Hold Down RT78726 Socket, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 6 | 9402-12-00TR | RELAY RF SPST 500MA 12V | Coto Technology |
| 7 | 1-1393277-8 | RELAY AUTOMOTIVE SPST 45A 24V | TE Connectivity AMP Connectors |
| 8 | 1393276-7 | RELAY AUTO SPST-NO 70A 24V | TE Connectivity Potter & Brumfield Relays |
| 9 | 70L-ODCA | OUTPUT MODULE DC 7MA 5VDCDC Output Module Output Module 0.02 ~ 2A 4 ~ 200VDC Output 5VDC (4.5 ~ 28VDC) Supply | Grayhill Inc. |