| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 5521830 | RELAY SOCKETRelay Socket DIN Rail | Phoenix Contact |
| 3 | 2900261 | PLC-BPT- 24DC/21RWRelay | Phoenix Contact |
| 4 | 4-1415043-1 | SOCKET 4POLE SLD TERM PTRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | 2834342 | RELAY GEN PURPOSE SPDT 12A 120VGeneral Purpose with Socket Relay SPDT (1 Form C) 120VAC Coil DIN Rail | Phoenix Contact |
| 6 | KUP-14A55-240 | RELAY GEN PURPOSE 3PDT 10A 240VGeneral Purpose Relay 3PDT (3 Form C) 240VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | JS1A-48V-F | RELAY GEN PURPOSE SPST 10A 48VGeneral Purpose Relay SPST-NO (1 Form A) 48VDC Coil Through Hole | Panasonic Electric Works |
| 8 | LKT1AF-24V | RELAY GEN PURPOSE SPST 5A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 9 | G5CA-1A4 DC24 | RELAY GEN PURPOSE SPST 10A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |