| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2900961 | RIF-4-BPT/3X21Relay | Phoenix Contact |
| 2 | HC2-SFD-S | SOCKT SCRW W/CLIP SLIM HC2 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 3 | MY4H-US DC12 | RELAY GEN PURPOSE 4PDT 3A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 4 | PT2S7LC4 | RELAY GEN PURPOSE DPDT 12A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 5 | LKP1AF-5V | RELAY GEN PURPOSE SPST 10A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 6 | SP4-PL2-DC5V | RELAY GEN PURPOSE 4PDT 10A 5VGeneral Purpose Relay 4PDT (4 Form C) 5VDC Coil Through Hole | Panasonic Electric Works |
| 7 | 7-1415538-5 | RT334024WGRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 8 | RTX3-1AT-C024 | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 70M-IDC5 | INPUT MODULE DC 18MA 5VDCDC Input Module Output Module 10mA 5VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |