| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 8869390000 | SCM-I 4CO NRelay Socket DIN Rail | Weidmuller |
| 2 | 5601975 | RELAY SOCKET OCTAL 24VDC 10ARelay Socket DIN Rail | Phoenix Contact |
| 3 | NC4D-DC24V | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | Panasonic Electric Works |
| 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 | RH4B-ULAC120V | RELAY PLUG-IN 4PDT 10A 120VACGeneral Purpose Relay 4PDT (4 Form C) 120VAC Coil Socketable | IDEC |
| 6 | RY533024 | RELAY GEN PURPOSE SPST 8A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | RT114006 | RELAY GEN PURPOSE SPDT 12A 6VGeneral Purpose Relay SPDT (1 Form C) 6VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | KHAU-17D11-12 | RELAY GEN PURPOSE 4PDT 3A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 9 | 70RCK8 | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | Grayhill Inc. |