| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | PY14 | RELAY SOCKET 4PDT EYELET MY SERRelay Socket Panel Mount | Omron Automation and Safety |
| 3 | SH3B-05 | SOCKET DIN MOUNT SCREW TYPERelay Socket DIN Rail | IDEC |
| 4 | PRD-11DH0-110 | RELAY GEN PURPOSE DPDT 20A 110VGeneral Purpose Relay DPDT (2 Form C) 110VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | 5542231 | RELAY GEN PURPOSE SPDT 10A 5VGeneral Purpose with Socket Relay SPDT (1 Form C) 5VDC Coil DIN Rail | Phoenix Contact |
| 6 | 2963763 | RELAY SAFETY DPST 6A 24VSafety Relay DPST-NO (2 Form A) 24VAC/DC Coil DIN Rail | Phoenix Contact |
| 7 | G6B1114PFDUSP6BDC24 | RELAY GEN PURPOSE SPST 5A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Socketable | Omron Electronics Inc-EMC Div |
| 8 | 1816124-1 | RETAINING CLIP FOR 29MM PT78Clip, Hold Down PT78 Sockets, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 9 | G6Y-1 DC12 | RELAY RF SPDT 10MA 12V | Omron Electronics Inc-EMC Div |