| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | RS4 | RELAY SOCKET 16 PINRelay Socket Channel, Track | Curtis Industries |
| 2 | HJ4-SFD-S | SOCKET TERM 2/4CH FOR HJ4 RELAYSRelay Socket DIN Rail | Panasonic Electric Works |
| 3 | G5CA-1A-TP-E DC12 | RELAY GEN PURPOSE SPST 15A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 4 | G4W-1114P-US-TV8-HP-DC12 | RELAY GEN PURPOSE SPST 15A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 5 | JVN1A-24V-F | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 6 | 70RCK4R | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 7 | ARE1012 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |
| 8 | 2962379 | ACTIVE MODULEI/O Module Rack Channel | Phoenix Contact |
| 9 | 9270-12-00TR | RELAY RF SPST 500MA 12V | Coto Technology |