| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2961121 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Phoenix Contact |
| 2 | EE2-12SNU | RELAY GEN PURPOSE DPDT 2A 12VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 3 | TQ2-4.5V | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | PYF14A-C | SOCKET 4POLRelay Socket DIN Rail | Omron Automation and Safety |
| 5 | 8869390000 | SCM-I 4CO NRelay Socket DIN Rail | Weidmuller |
| 6 | G7L-2A-BUBJ-CB AC100/120 | RELAY GEN PURPOSE DPST 25A 120VGeneral Purpose Relay DPST-NO (2 Form A) 120VAC Coil Chassis Mount | Omron Electronics Inc-EMC Div |
| 7 | DE1A1B-L2-24V | RELAY GEN PURPOSE DPST 8A 24VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 24VDC Coil Through Hole | Panasonic Electric Works |
| 8 | PB4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 9 | 70MRCQ24-HS | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |