| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | DS2E-SL2-DC24V | RELAY GEN PURPOSE DPDT 2A 24VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | SP4-WS | SOCKET WRAPPING FOR SP4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 3 | RSE500402 | SMITHSRelay | Amphenol Pcd |
| 4 | 2777056 | CONN TERM BLK 4POS DIN RAIL MTRelay | Phoenix Contact |
| 5 | 2900446 | PLC-BPT- 24UC/21Relay | Phoenix Contact |
| 6 | PT2L7LC4 | RELAY GEN PURPOSE DPDT 12A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 7 | KRPA-11DY-24 | RELAY GEN PURPOSE DPDT 5A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 8 | PCFN-124H2MS,02000 | RELAY GEN PURPOSE SPST 26A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 70RCK4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |