| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | IM07TS | RELAY TELECOM DPDT 2A 24VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | HC4E-H-DC24V | RELAY GEN PURPOSE 4PDT 2A 24VGeneral Purpose Relay 4PDT (4 Form C) Socketable | Panasonic Electric Works |
| 4 | TXS2SS-24V-X | RELAY GEN PURPOSE DPDT 1A 24VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 5 | 910456 | RSM 4 110VAC SPDT 10A SKTRelay | Weidmuller |
| 6 | 911341 | RELAY SOCKET 24VDC 10A REDRelay Socket DIN Rail | Weidmuller |
| 7 | 27E220 | SOCKET DP-2P FOR PT SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | SH1B-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 9 | MJN2C-DC24 | RELAY GEN PURPOSE DPDT 10A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | Omron Automation and Safety |