| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G5V-13 DC3 | RELAY GENERAL PURPOSE SPDT 1A 3VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | 27E448 | RELAY SOCKET 6 POLE SOLDERRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | RT334024F | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | 2963763 | RELAY SAFETY DPST 6A 24VSafety Relay DPST-NO (2 Form A) 24VAC/DC Coil DIN Rail | Phoenix Contact |
| 6 | HC4-HL-DC24V | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | Panasonic Electric Works |
| 7 | G2R-1-SNI DC24(S) | RELAY GEN PURPOSE SPDT 10A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Socketable | Omron Automation and Safety |
| 8 | V23057-A0002-A201 | RELAY GEN PURPOSE SPDT 8A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | HS501DR | HEATSINK SSR 5.0DEG C/W DIN MNTHeat Sink Multiple Series | Sensata-Crydom |