| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | SRSI24AC/DC | RELAY SOCKET TB 6-24VAC DCRelay | B&B SmartWorx, Inc. |
| 3 | RSE116674 | LOW PROFILE, 4 POLE/10 AMP, LCRelay | Amphenol Pcd |
| 4 | DK2A-PSL2 | SOCKET RELAY LATCH FOR DK RELAYSRelay Socket Through Hole | Panasonic Electric Works |
| 5 | 2-1904045-7 | V23333Z0002B049-EV-100Relay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | ARS30Y4H | ARS RELAY 1 FORM C REV 4.5V | Panasonic Electric Works |
| 7 | 73G-IV5 | I/O MODULE 0-5VDC 12-BIT;1.22MVAnalog Input Module Output Module Output Supply | Grayhill Inc. |
| 8 | 2-1462050-7 | RELAY RF 1FORMC/1CO 2A 12V | TE Connectivity Potter & Brumfield Relays |
| 9 | 2653-12-320 | RELAY RF DPST 500MA 12V | Coto Technology |