| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2900938 | RIF-3-BPT/3X21Relay | Phoenix Contact |
| 2 | 27E461 | SOCKET SCREW TERM 4P R10 RELAYSRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | V23047-A1021-A511 | RELAY SAFETY DPST 6A 21VSafety Relay DPST-NO/NC (1 Form A, 1 From B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 4 | 2IO4A | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 5 | 70GRCQ24-HS | I/O MOUNTING BOARD G5 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 6 | 2962036 | I/O MOUNTING BOARD 16POSI/O Module Rack 16 Channel | Phoenix Contact |
| 7 | ARE10A03 | RELAY RF SPDT 500MA 3V | Panasonic Electric Works |
| 8 | RM28802 | RETAINING CLIP RELAY RM SERIESClip, Hold Down RM78 Sockets, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 9 | SLO220CRA4 | DELCON 220VDCIN/250VDC 4.0AOUTDC Output Module Output Module 0 ~ 4A 0 ~ 250VDC Output 220VDC Supply | Weidmuller |