| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2900339 | TERM BLOCKRelay | Phoenix Contact |
| 2 | 8-1415034-1 | SOCKET DINRAIL SCREW TERM 11PINRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 3 | KHU-17D12-24 | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 4 | NC2EBD-DC24V | RELAY GEN PURPOSE DPDT 5A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | Panasonic Electric Works |
| 5 | 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 |
| 6 | G7L-2A-TUB-CB-DC24 | RELAY GEN PURPOSE DPST 25A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VDC Coil Chassis Mount | Omron Electronics Inc-EMC Div |
| 7 | 70MRCQ24-EC | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 8 | SY4S-02F1 | RELAY HOLD DOWN SPRINGClip, Hold Down RY Series Sockets | IDEC |
| 9 | 70-IDC24NP | INPUT MODULE AC/DC 18MA 24VDCAC/DC Input Module Output Module 10mA 24VDC Output 15 ~ 32VAC, 10 ~ 32VDC Supply | Grayhill Inc. |