| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | PS-9VCB-SBC-U-GB/IE | 100-240VAC/9VDC UK POWER SUPPLY | Multi-Tech Systems Inc. |
| 2 | M12883/41-20 | CONNECTOR MISC.Relay | Amphenol Pcd |
| 3 | 2980225 | 6.2MM PLC BASIC TERM BLOCK 5VRelay Socket DIN Rail | Phoenix Contact |
| 4 | ALA2F05 | RELAY GENERAL PURPOSE DPST 3A 5VGeneral Purpose Relay DPST-NO (2 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 5 | RM838024 | RELAY GEN PURPOSE DPDT 25A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | RU4S-C-A24 | RELAY PLUG-IN 4PDT 6A 24VACGeneral Purpose Relay 4PDT (4 Form C) 24VAC Coil Socketable | IDEC |
| 7 | SR4M4085 | RELAY SAFETY 4PST 8A 85VSafety Relay 4PST-NO/NC (3 From A, 1 Form B) 85VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | DSP1-L2-DC5V-F | RELAY GENERAL PURPOSE DPST 5A 5VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 5VDC Coil Through Hole | Panasonic Electric Works |
| 9 | 70GRCK24-HL | I/O MOUNTING BOARD G5 24POSI/O Module Rack 24 Channel | Grayhill Inc. |