| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TX2-9V | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | TQ2SA-24V-Z | RELAY TELECOM DPDT 2A 24VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 2966540 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 4 | G5V-2-DC24 | RELAY GEN PURPOSE DPDT 2A 24VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 5 | 2820262 | TERM BLOCK 2POSRelay Socket DIN Rail | Phoenix Contact |
| 6 | PY11-02 | RELAY SOCKET BACK CONNECTINGRelay Socket Through Hole | Omron Automation and Safety |
| 7 | SY4S-62 | SOCKET PCB MOUNT FOR RU4S/RY4SRelay Socket Through Hole | IDEC |
| 8 | RY211006 | RELAY GENERAL PURPOSE SPDT 8A 6VGeneral Purpose Relay SPDT (1 Form C) 6VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 70RCK4R | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |