| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | DS1E-SL2-DC12V | RELAY GEN PURPOSE SPDT 2A 12VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 3 | RSE116629 | LOW PROFILE, 3 POLE/25 AMP, WCRelay | Amphenol Pcd |
| 4 | G7SA-2A2B DC48 | RELAY SAFETY 4PST 6A 48VSafety Relay 4PST-NO/NC (2 Form A, 2 Form B) 48VDC Coil Socketable | Omron Automation and Safety |
| 5 | G5NB-1A DC24 | RELAY GEN PURPOSE SPST 3A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | T92S11D12-48 | RELAY GEN PURPOSE DPDT 30A 48VGeneral Purpose Relay DPDT (2 Form C) 48VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | PT271012 | RELAY GEN PURPOSE DPDT 12A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | RT114730 | RELAY GEN PURPOSE SPDT 12A 230VGeneral Purpose Relay SPDT (1 Form C) 230VAC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 70M-IDC15 | INPUT MODULE DC 18MA 15VDCDC Input Module Output Module 10mA 15VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |