| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | UB2-12NU | RELAY GEN PURPOSE DPDT 1A 12VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 2 | 5-1393810-9 | RELAY GEN PURPRelay | TE Connectivity Potter & Brumfield Relays |
| 3 | G5V-2-H1 DC12 | RELAY GEN PURPOSE DPDT 1A 12VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 4 | V23079D2001B301 | RELAY GENERAL PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | 5521322 | FLKM4-I/O-G4Relay Socket DIN Rail | Phoenix Contact |
| 6 | DK1A1B-L2-12V | RELAY GEN PURPOSE DPST 8A 12VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 7 | 70MRCK16-HL | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 8 | 2979469 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |
| 9 | PB-4H | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Sensata-Crydom |