| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TXD2-5V | RELAY GENERAL PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | TQ2-12V-3 | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | HP2-SFDUL | SOCKET TERM W/CLIP SCREW DIN HP2Relay Socket DIN Rail | Panasonic Electric Works |
| 4 | 2271390 | PLUG-IN BASE STD I/O MODULESRelay Socket Through Hole | Phoenix Contact |
| 5 | JS1F-5V-F | RELAY GEN PURPOSE SPDT 10A 5VGeneral Purpose Relay SPDT (1 Form C) 5VDC Coil Through Hole | Panasonic Electric Works |
| 6 | 70G-IDC5 | INPUT MODULE DC 18MA 5VDCDC Input Module Output Module 10mA 5VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |
| 7 | G9SA-EX031-T30 | RELAY SAFETY EXP UNIT 3PExpansion Module G9SA Series | Omron Automation and Safety |
| 8 | G32A-C | VOLTAGE DETECTION UNIT 12-24VDCVoltage Detection Unit G3PA Series | Omron Automation and Safety |
| 9 | GT400S185A | TOR SCREW 400A 120-185A | Carlo Gavazzi Inc. |