| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 2912332 | 14 MM PLC BASIC TERM BLOCKRelay Socket DIN Rail | Phoenix Contact |
| 3 | R10-E1Y2-V52 | RELAY GENERAL PURPOSE DPDT 3A 6VGeneral Purpose Relay DPDT (2 Form C) 6VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 4 | BR246-320B2-28V-023M | RELAY GEN PURPOSE DPDT 10A 28VGeneral Purpose Relay DPDT (2 Form C) 28VDC Coil Chassis Mount | Microsemi Corporation |
| 5 | RJ2S-CLD-D24 | RELAY PLUG-IN DPDT 8A 24VDCGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | IDEC |
| 6 | HL1-HTM-AC120V-F | RELAY GEN PURPOSE SPDT 15A 120VGeneral Purpose Relay SPDT (1 Form C) 120VAC Coil Chassis Mount | Panasonic Electric Works |
| 7 | G6B-1114P-US-DC3 | RELAY GENERAL PURPOSE SPST 5A 3VGeneral Purpose Relay SPST-NO (1 Form A) 3VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | S2EB-L2-24V | RELAY GEN PURPOSE 4PST 4A 24VGeneral Purpose Relay 4PST-NO/NC (2 Form A, 2 Form B) 24VDC Coil Through Hole | Panasonic Electric Works |
| 9 | ARE134H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |