| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | UD2-5SNU | RELAY GEN PURPOSE DPDT 1A 5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 2 | DS2Y-S-DC3V | RELAY GENERAL PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | TQ2SL-L-4.5V-Z | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | DS2Y-S-DC12V | RELAY GEN PURPOSE DPDT 2A 12VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 5 | RSL116053 | EXTENDED HEIGHT, 4 POLE/10 AMP,Relay | Amphenol Pcd |
| 6 | 2912426 | PLC-BSP- 12DC/21-21Relay | Phoenix Contact |
| 7 | 1-1904045-7 | V23333Z0002B049-EV-144Relay | TE Connectivity Potter & Brumfield Relays |
| 8 | VFMA-11F41-S01 | VFMA-11F41-S01=VFMARelay Coil | TE Connectivity Potter & Brumfield Relays |
| 9 | 73G-ITCK | I/O MODULE K TYPE 12-BITAnalog Input Module Output Module Output Supply | Grayhill Inc. |