| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2900450 | PLC-BPT- 24UC/ 1/ACTRelay | Phoenix Contact |
| 2 | 5-1904045-3 | V23333Z0002A010-EV-441Relay | TE Connectivity Potter & Brumfield Relays |
| 3 | PL20 | SOCKET MKWRelay Socket Panel Mount | Omron Automation and Safety |
| 4 | SY4S-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 5 | P2R-05A | SOCKET BACK MOUNT G2R-1-S SLDRelay Socket Panel Mount | Omron Automation and Safety |
| 6 | ALZ51F05W | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 7 | 70GRCK4 | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 8 | PB-24SM-BC | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 9 | DRC3P48B400R | 480V 5A 120VAC NO AUX RN 3L | Sensata-Crydom |