| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | RO55T | ACCY MISC RW 55IN | Laird Technologies IAS |
| 2 | 2980018 | PLC-BSC125DC/21Relay Socket DIN Rail | Phoenix Contact |
| 3 | V23047-A1021-A511 | RELAY SAFETY DPST 6A 21VSafety Relay DPST-NO/NC (1 Form A, 1 From B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 4 | 9002-05-10 | RELAY RF SPST 500MA 5V | Coto Technology |
| 5 | 70MRCK16-RL | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 6 | 2904-12-321 | RELAY RF SPST 500MA 12V | Coto Technology |
| 7 | CA1A-12V-N-5 | RELAY AUTOMOTIVE SPST 30A 12V | Panasonic Electric Works |
| 8 | 2-1416100-9 | ST37003 | TE Connectivity Potter & Brumfield Relays |
| 9 | ARN10A24X | RELAY RF SPDT 24V | Panasonic Electric Works |