| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | RO21 | ACCY SUB MISC RW 21IN | Laird Technologies IAS |
| 2 | P7S-B | P7S-BRelay | Omron Automation and Safety |
| 3 | 2980018 | PLC-BSC125DC/21Relay Socket DIN Rail | Phoenix Contact |
| 4 | CTRB08-PC | SOCKET OCTAL 8 PINRelay | Littelfuse Inc. |
| 5 | DSP1-DC24V-R-F | RELAY GEN PURPOSE DPST 5A 24VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 24VDC Coil Through Hole | Panasonic Electric Works |
| 6 | LKT1AF-9V | RELAY GEN PURPOSE SPST 5A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | Panasonic Electric Works |
| 7 | OSA-SS-224DM3,000 | RELAY GEN PURPOSE DPST 3A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | RH4B-ULAC120V | RELAY PLUG-IN 4PDT 10A 120VACGeneral Purpose Relay 4PDT (4 Form C) 120VAC Coil Socketable | IDEC |
| 9 | 1-1414469-0 | V23134J0052X461Relay Coil | TE Connectivity Potter & Brumfield Relays |