| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | P2CF-11 | SOCKET DIN MNT 11PIN SCREW TERMRelay Socket DIN Rail | Omron Automation and Safety |
| 3 | P2RF-05-E | SOCKET TRACK MNT G2R-1-SRelay Socket DIN Rail | Omron Automation and Safety |
| 4 | 2961341 | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Phoenix Contact |
| 5 | G6DN-1A DC4.5 | RELAY GEN PURPOSE SPST 5A 4.5VGeneral Purpose Relay SPST-NO (1 Form A) 4.5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | R10-E1P4-115V | RELAY GEN PURPOSE 4PDT 3A 115VGeneral Purpose Relay 4PDT (4 Form C) 115VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | T9GS5L24-24 | T9GS5L24-24General Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | RY212005 | RELAY GENERAL PURPOSE SPDT 8A 5VGeneral Purpose Relay SPDT (1 Form C) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | PCN-123D3MHZ,000 | RELAY GEN PURPOSE SPST 3A 23.5VGeneral Purpose Relay SPST-NO (1 Form A) 23.5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |