| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | CUS5 | RELAY SOCKET 5 PINRelay Socket Channel, Track | Curtis Industries |
| 2 | 3-1904045-4 | V23333Z0002A041-EV-311Relay | TE Connectivity Potter & Brumfield Relays |
| 3 | SH4B-05 | SOCKET DIN MOUNT SCREW TYPERelay Socket DIN Rail | IDEC |
| 4 | KHAU-17D11-48 | RELAY GEN PURPOSE 4PDT 3A 48VGeneral Purpose Relay 4PDT (4 Form C) 48VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | NC2D-P-DC24V | RELAY GEN PURPOSE DPDT 5A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Through Hole | Panasonic Electric Works |
| 6 | SR4M4021 | RELAY SAFETY 4PST 8A 21VSafety Relay 4PST-NO/NC (3 From A, 1 Form B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | PB-24SM-C | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 8 | PB-24SM-V | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 9 | RP16100 | CLIP RETAINER 25.5MM RP78601/602Clip, Hold Down RP78 Sockets, SCHRACK | TE Connectivity Potter & Brumfield Relays |