| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | RFD22131 | RFDUINO RELAY SHIELD | RF Digital Corporation |
| 2 | AGQ21TA24X | RELAY GEN PURPOSE DPDT 2A 24VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | G6JU-2FS-Y DC4.5 | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | 2820725 | CONN TERM BLOCKRelay | Phoenix Contact |
| 5 | HC4-HSF-K | SOCKET SCRW FRONT WIRE HC4 RELAYRelay Socket Chassis Mount | Panasonic Electric Works |
| 6 | MGN1C-DC12 | RELAY GEN PURPOSE SPDT 30A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Chassis Mount | Omron Automation and Safety |
| 7 | G2R-1-DC5 | RELAY GEN PURPOSE SPDT 10A 5VGeneral Purpose Relay SPDT (1 Form C) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | 2972990 | VARIOFACE MODULE 16 PLUGGABLEI/O Module Rack 16 Channel | Phoenix Contact |
| 9 | PB-8H | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | Sensata-Crydom |