| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | DS1E-ML-DC12V | RELAY GEN PURPOSE SPDT 2A 12VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 2 | 2900281 | PLC-BPT-230UC/21Relay | Phoenix Contact |
| 3 | 2900449 | TERM BLOCKRelay | Phoenix Contact |
| 4 | SP4-SF | SOCKET RELAY SCREW FOR SP4 RELAYRelay Socket Chassis Mount | Panasonic Electric Works |
| 5 | RV8H-L-D12 | RV 6MM ASSEMBLED 12VDCGeneral Purpose with Socket Relay SPDT (1 Form C) 12VDC Coil DIN Rail | IDEC |
| 6 | 2IO4B | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 7 | 70RCK32-HL | I/O MOUNTING BRD STANDARD 32POSI/O Module Rack 32 Channel | Grayhill Inc. |
| 8 | G8QN-1C4 DC12 | RELAY AUTOMOTIVE SPDT 30A 12V | Omron Electronics Inc-EMC Div |
| 9 | CM1-24V | CM RELAY 1 FORM C 24V | Panasonic Electric Works |