| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-VCS1CL | VOICE CALL SWITCH W/ 1M CABLE | Digi International |
| 2 | TQ2SS-L2-12V | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | G70A-ZIM16-5-DC24V | RELAY BLOCK 110VDC INPUT BASERelay | Omron Automation and Safety |
| 4 | PTF14A-TU | SOCKET LY4Relay Socket DIN Rail | Omron Automation and Safety |
| 5 | 27E127 | SOCKET 6P SOLDER R10 SERIESRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | HC4-TSF-K | SOCKET SCRW FRONT WIRE HC4 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 7 | 2903332 | RELAY GEN PURPOSE DPDT 8A 120VGeneral Purpose with Socket Relay DPDT (2 Form C) 120VAC Coil DIN Rail | Phoenix Contact |
| 8 | T9AS5L22-12 | RELAY GEN PURPOSE SPDT 20A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | G4A-1A-E DC5 | RELAY GEN PURPOSE SPST 20A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |