| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2903337 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 2 | TXS2-L2-12V | RELAY GEN PURPOSE DPDT 1A 12VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | RJ2S-CL-D24 | RELAY PLUG-IN DPDT 8A 24VDCGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | IDEC |
| 4 | RP418024 | RELAY GEN PURPOSE SPDT 12A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | 70GRCK4 | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 6 | P7TF-OS16 DC12V | RELAY BLOCK 16POS NPN OUT 12VDCI/O Module Rack 16 Channel | Omron Automation and Safety |
| 7 | 9002-12-00 | RELAY RF SPST 500MA 12V | Coto Technology |
| 8 | PB-4R | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 9 | ARS3012 | ARS RELAY 1 FORM C REV 12V | Panasonic Electric Works |