| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TX2SA-5V-1 | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | 5601978 | RELAY SOCKET OCTAL DPDT 10ARelay Socket DIN Rail | Phoenix Contact |
| 3 | PTF14A | SOCKET LY4Relay Socket DIN Rail | Omron Automation and Safety |
| 4 | HC4-HP-DC12V | RELAY GEN PURPOSE 4PDT 5A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Through Hole | Panasonic Electric Works |
| 5 | RY2S-UDC24V | RELAY PLUG-IN DPDT 3A 24VDCGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | IDEC |
| 6 | 2-1904020-4 | V23234A0001X037-EV-100Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | PCFN-124D2M,000 | RELAY GEN PURPOSE SPST 25A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | RT424A12 | RELAY GEN PURPOSE DPDT 8A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 70MRCK24-HL | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |