| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2946777 | RELAY MODULE WITH PLUG-IN BASERelay Socket DIN Rail | Phoenix Contact |
| 2 | 211BR | 211BR=ASSEMBLYRelay | TE Connectivity AMP Connectors |
| 3 | 8869400000 | SCM-I 2CORelay Socket DIN Rail | Weidmuller |
| 4 | SR2P-06 | SOCKET DIN MOUNT SCREW TYPERelay Socket DIN Rail | IDEC |
| 5 | 27E892 | SOCKET DIN RAIL MT KRPA SERIESRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | R10-E1Y4-V185 | RELAY GEN PURPOSE 4PDT 3A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | 70MRCK24-EC | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 8 | 9402-05-20 | RELAY RF SPST 500MA 5V | Coto Technology |
| 9 | PB-24SM-B | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |