| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | RSL112101-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 3 | 9908910000 | 1CH DELCON INPUT SOCKET MODULERelay | Weidmuller |
| 4 | 27E164 | SOCKET PHEN 6POLE FOR R10 SERRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | 1860306-1 | SOCKET 5MM W/SCREW TERM DINRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | G6B-4CB DC24 | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose with Socket Relay 4PDT (4 Form C) 24VDC Coil DIN Rail | Omron Electronics Inc-EMC Div |
| 7 | R10-E1Y6-V90 | RELAY GEN PURPOSE 6PDT 3A 12VGeneral Purpose Relay 6PDT (6 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 8 | HC2E-HP-AC24V-F | RELAY GEN PURPOSE DPDT 3A 24VACGeneral Purpose Relay DPDT (2 Form C) 24VAC Coil Through Hole | Panasonic Electric Works |
| 9 | ADW1106HLW | RELAY GEN PURPOSE SPST 16A 6VGeneral Purpose Relay SPST-NO (1 Form A) 6VDC Coil Through Hole | Panasonic Electric Works |