| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2961228 | RELAY GEN PURPOSE DPDT 50MA 110VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Phoenix Contact |
| 3 | D3223 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 4 | 8826000000 | MXZ 24VDC 1CO BASISRelay Socket DIN Rail | Weidmuller |
| 5 | 1-1415526-1 | SOCKET W/SCREW FOR DINRAIL 4PRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | 2967675 | RELAY GEN PURPOSE SPDT 10A 230VGeneral Purpose with Socket Relay SPDT (1 Form C) 230VAC/DC Coil DIN Rail | Phoenix Contact |
| 7 | 5542738 | RELAY GENERAL PURPOSE DPDT 5A 5VGeneral Purpose with Socket Relay DPDT (2 Form C) 5VDC Coil DIN Rail | Phoenix Contact |
| 8 | SF4D-DC12V | RELAY SAFETY 8PST 6A 12VSafety Relay 8PST-NO/NC (4 Form A, 4 Form B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 9 | G6CU-2114P-US-DC5 | RELAY GENERAL PURPOSE DPST 8A 5VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |