| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | AGQ20TS4HX | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | SP4-WS | SOCKET WRAPPING FOR SP4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 3 | RSN116140 | 2,4 POLE/10 AMP, 3 POLE/25 AMP,Relay | Amphenol Pcd |
| 4 | RM78704 | RELAY SOCKET SCREW RM SERIESRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | 5521322 | FLKM4-I/O-G4Relay Socket DIN Rail | Phoenix Contact |
| 6 | RE030048 | RELAY GEN PURPOSE SPST 6A 48VGeneral Purpose Relay SPST-NO (1 Form A) 48VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 70MRCK16-EC | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 8 | 2973038 | VARIOFACE MODULE 16 PLUGGABLEI/O Module Rack 16 Channel | Phoenix Contact |
| 9 | 2-1904025-6 | V23234A0004X055-EV-100 | TE Connectivity Potter & Brumfield Relays |