| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AHN211X0N | RELAY GEN PURPOSE DPDT 5A 110VGeneral Purpose Relay DPDT (2 Form C) 110VAC Coil Socketable | Panasonic Electric Works |
| 3 | SF4D-DC12V | RELAY SAFETY 8PST 6A 12VSafety Relay 8PST-NO/NC (4 Form A, 4 Form B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 4 | KRPA-14AN-120 | RELAY GEN PURPOSE 3PDT 10A 120VGeneral Purpose Relay 3PDT (3 Form C) 120VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | 2973067 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 6 | C4IAC | INPUT MODULE AC 14MA 4.5-30VDCAC Input Module Output Module 25mA 4.5 ~ 30VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Sensata-Crydom |
| 7 | 9270-12-00 | RELAY RF SPST 500MA 12V | Coto Technology |
| 8 | ARS35Y4H | ARS RELAY 1 FORM C REV 4.5V | Panasonic Electric Works |
| 9 | RHS90A | SSR HEATSINK 0.97 DEG C/WHeat Sink Multiple Series | Carlo Gavazzi Inc. |