| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TX2-L2-4.5V | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | 2980018 | PLC-BSC125DC/21Relay Socket DIN Rail | Phoenix Contact |
| 3 | 27E713 | SOCKETRelay Socket | TE Connectivity Potter & Brumfield Relays |
| 4 | SY4S-05 | SOCKET DIN MOUNT SCREW TYPERelay Socket DIN Rail | IDEC |
| 5 | 2941455 | RELAY GEN PURPOSE DPDT 5A 120VGeneral Purpose with Socket Relay DPDT (2 Form C) 120VAC/DC Coil DIN Rail | Phoenix Contact |
| 6 | DSP2A-L2-DC3V | RELAY GENERAL PURPOSE DPST 5A 3VGeneral Purpose Relay DPST-NO (2 Form A) 3VDC Coil Through Hole | Panasonic Electric Works |
| 7 | 70GRCK4 | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 8 | 2IO8 | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | TE Connectivity Potter & Brumfield Relays |
| 9 | 2972974 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |