| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-BU1CL | BUZZER WITH 1M CABLE | Digi International |
| 2 | G6K-2F-Y DC24 | RELAY TELECOM DPDT 1A 24VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | 2900458 | TERM BLOCKRelay | Phoenix Contact |
| 4 | 5-1904045-1 | V23333Z0001A007-EV-441Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | PTFPCB | RELAY SOCKET PCB W/EAR MJNRelay Socket Chassis Mount | Omron Automation and Safety |
| 6 | SP4-L2-DC5V | RELAY GEN PURPOSE 4PDT 10A 5VGeneral Purpose Relay 4PDT (4 Form C) 5VDC Coil Socketable | Panasonic Electric Works |
| 7 | RV8H-L-D12 | RV 6MM ASSEMBLED 12VDCGeneral Purpose with Socket Relay SPDT (1 Form C) 12VDC Coil DIN Rail | IDEC |
| 8 | 20C250 | R10 WIRE HOLD DOWN SPRING 4 POLEClip, Hold Down R10 Series | TE Connectivity Potter & Brumfield Relays |
| 9 | ARS1312 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |