| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | SRSI60AC/DC | RELAY SOCKET TB 48-60VAC DCRelay | B&B SmartWorx, Inc. |
| 3 | RSE116195 | 3 POLE/10 AMP TRACK MOUNT WCRelay | Amphenol Pcd |
| 4 | 282435-1 | RELAY HSG.W.SEC.LOCK.ASSY9 POSRelay | TE Connectivity Potter & Brumfield Relays |
| 5 | HC2-PS-K | ACCY RELAY SOCKET W/CLIP HC2 PCBRelay Socket Through Hole | Panasonic Electric Works |
| 6 | LY2N-AC110/120 | RELAY GEN PURPOSE DPDT 10A 120VGeneral Purpose Relay DPDT (2 Form C) 120VAC Coil Socketable | Omron Automation and Safety |
| 7 | NC4D-DC24V | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | Panasonic Electric Works |
| 8 | G5CA-1A-TP-E DC12 | RELAY GEN PURPOSE SPST 15A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 9 | 5542231 | RELAY GEN PURPOSE SPDT 10A 5VGeneral Purpose with Socket Relay SPDT (1 Form C) 5VDC Coil DIN Rail | Phoenix Contact |