| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGQ21T2H | RELAY GEN PURPOSE DPDT 2A 2.4VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | RSE112067-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 4 | 2900452 | TERM BLOCKRelay Socket DIN Rail | Phoenix Contact |
| 5 | ST-SS | SOCKET RELAY FOR ST1/2 SOLDERRelay Socket Chassis Mount | Panasonic Electric Works |
| 6 | 2912507 | RELAY GEN PURPOSE DPDT 6A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 7 | G7L-2A-T-CB-AC200/240 | RELAY GEN PURPOSE DPST 25A 240VGeneral Purpose Relay DPST-NO (2 Form A) 240VAC Coil Chassis Mount | Omron Electronics Inc-EMC Div |
| 8 | 2-1415356-1 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 9 | 20C314 | HOLD DOWNSPRING FOR KU RELAYSClip, Hold Down KU Series | TE Connectivity Potter & Brumfield Relays |