| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2SA-L2-4.5V-Z | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | TX2SA-L2-4.5V | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | HC4-PS-K | ACCY RELAY SOCKET W/CLIP HC4 PCBRelay Socket Through Hole | Panasonic Electric Works |
| 4 | 2900938 | RIF-3-BPT/3X21Relay | Phoenix Contact |
| 5 | 27E928 | SOCKET RELAY DP-5P SOLDERRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | T9AS1D22-110 | RELAY GEN PURPOSE SPST 30A 110VGeneral Purpose Relay SPST-NO (1 Form A) 110VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | PFC-A1 | CLIP HOLD-DOWN FOR MK SERClip, Hold Down PF083A-E and PF113A-E Sockets | Omron Automation and Safety |
| 8 | 2-1462051-5 | RELAY RF 1FORMC/1CO 2A 4.5V | TE Connectivity Potter & Brumfield Relays |
| 9 | 70M-IDC24 | INPUT MODULE DC 18MA 24VDCDC Input Module Output Module 10mA 24VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |