| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | HC4E-H-DC24V | RELAY GEN PURPOSE 4PDT 2A 24VGeneral Purpose Relay 4PDT (4 Form C) Socketable | Panasonic Electric Works |
| 2 | 2900282 | PLC-BPT- 12DC/21-21Relay | Phoenix Contact |
| 3 | 18837 | RELAY SOCKETRelay | Curtis Industries |
| 4 | G5NB-1A DC24 | RELAY GEN PURPOSE SPST 3A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 5 | G6C-2117P-US-DC5 | RELAY GENERAL PURPOSE DPST 8A 5VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | P7TF-OS08 DC24V | RELAY BLOCK 8POS NPN OUTBASE 24VI/O Module Rack 8 Channel | Omron Automation and Safety |
| 7 | 2200-2302 | RELAY RF SPST 500MA 5V | Coto Technology |
| 8 | G6K-2F-RF-T-TR03 DC4.5 | RELAY RF DPDT 1A 4.5V | Omron Electronics Inc-EMC Div |
| 9 | 70RCK8-HS | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | Grayhill Inc. |