| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-VCS1CL | VOICE CALL SWITCH W/ 1M CABLE | Digi International |
| 2 | P7SA-14F-ND DC110 | P7SA-14F-ND DC110Relay | Omron Automation and Safety |
| 3 | 2777056 | CONN TERM BLK 4POS DIN RAIL MTRelay | Phoenix Contact |
| 4 | 8869480000 | SRC-1 2CO NRelay Socket DIN Rail | Weidmuller |
| 5 | PTF21PC | RELAY SOCKET CHASSIS MT MJNRelay Socket Chassis Mount | Omron Automation and Safety |
| 6 | 5-1393302-1 | POWER F V23134Relay Coil | TE Connectivity AMP Connectors |
| 7 | XT424012 | RELAY GEN PURPOSE DPDT 8A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 8 | G7SA-4A2B DC12 | RELAY SAFETY 6PST 6A 12VSafety Relay 6PST-NO/NC (4 Form A, 2 Form B) 12VDC Coil Socketable | Omron Automation and Safety |
| 9 | SRO24B | DELCON 24VDCIN/240VAC 3.0AOUTAC Output Module Output Module 0 ~ 3A 240VAC Output 24VDC Supply | Weidmuller |