| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-BU1CL | BUZZER WITH 1M CABLE | Digi International |
| 2 | 18830 | RELAY SOCKETRelay | Curtis Industries |
| 3 | HL2-PS-K | SOCKET TERM PCB FOR HL2 RELAYRelay Socket Through Hole | Panasonic Electric Works |
| 4 | DRSCN05 | SOCKET DIN-RAIL 3-12VDC CN SERRelay Socket DIN Rail | Sensata-Crydom |
| 5 | G2R-1-SND-DC12(S) | RELAY GEN PURPOSE SPDT 10A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 6 | SR4M4021 | RELAY SAFETY 4PST 8A 21VSafety Relay 4PST-NO/NC (3 From A, 1 Form B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | HL2-HTM-DC24V-F | RELAY GEN PURPOSE DPDT 10A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Chassis Mount | Panasonic Electric Works |
| 8 | G6C-2114P-US-DC6 | RELAY GENERAL PURPOSE DPST 8A 6VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 6VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 9 | ARJ20A12Z | RELAY RF DPDT 300MA 12V | Panasonic Electric Works |