| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2271031 | PLUG-IN BASE STD I/O MOD W/SAFERelay Socket Through Hole | Phoenix Contact |
| 2 | 2833563 | RELAY SKT DPDT OR 4PDT DIN RAILRelay Socket DIN Rail | Phoenix Contact |
| 3 | PY11 | RELAY SOCKET BACK CONNECTINGRelay Socket Panel Mount | Omron Automation and Safety |
| 4 | 27E213 | SOCKET 4POLE R10 SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | KUHP-5D51-24 | RELAY GEN PURPOSE SPDT 30A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | SFS4-DC24V | RELAY SAFETY 6PST 6A 24VSafety Relay 6PST-NO/NC (4 Form A, 2 Form B) 24VDC Coil Through Hole | Panasonic Industrial Automation Sales |
| 7 | 70RCK4R | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 8 | 70MRCK16-EC | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 9 | ARS15Y12 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |