| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | G6L-1F-TRDC4.5 | RELAY TELECOM SPST 1A 4.5VTelecom Relay SPST-NO (1 Form A) Surface Mount | Omron Electronics Inc-EMC Div |
| 2 | 8876220000 | SCM-1 2CO PRelay Socket DIN Rail | Weidmuller |
| 3 | 1904045-5 | V23333Z1001B045-EV-000Relay | TE Connectivity Potter & Brumfield Relays |
| 4 | R10-E1Y4-V2.5K | RELAY GEN PURPOSE 4PDT 3A 48VGeneral Purpose Relay 4PDT (4 Form C) 48VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | G2R-1-DC5 | RELAY GEN PURPOSE SPDT 10A 5VGeneral Purpose Relay SPDT (1 Form C) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | ARS16Y4H | ARS RELAY 1 FORM C 4.5V | Panasonic Electric Works |
| 7 | 73G-OI420 | I/O MODULE 4-20MA 12-BIT;3.90UAAnalog Output Module Output Module Output Supply | Grayhill Inc. |
| 8 | AX-4MF-22 | FRNT AUX 2NO/2NC MINI FAST-ON | Carlo Gavazzi Inc. |
| 9 | 212AS24006 | AC/AC WALL MOUNT ADAPTER 24V 1W24VAC 60mA AC/AC External Wall Mount (Class II) Adapter Fixed Blade Input | Tamura |