| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | EC2-5TNU | RELAY GEN PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | KEMET |
| 2 | SP4-WS | SOCKET WRAPPING FOR SP4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 3 | 910514 | RSM 8 24VAC SPDT 10A SOCKETRelay | Weidmuller |
| 4 | 2-1904045-4 | V23333Z0002A041-EV-100Relay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | SFS3-DC24V | RELAY SAFETY 4PST 6A 24VSafety Relay 4PST-NO/NC (3 From A, 1 Form B) 24VDC Coil Through Hole | Panasonic Industrial Automation Sales |
| 6 | HE1AN-S-DC24V | RELAY GEN PURPOSE SPST 30A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Chassis Mount | Panasonic Electric Works |
| 7 | 70RCK4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 8 | PB-16SM | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 9 | 2972819 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |