| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | HC4-SFD-K | SOCKET SCRW W/CLIP DIN HC4 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 2 | RSE116627-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 3 | 03540535Z | RELAY SOCKET HOUSING POWERRelay Housing Wiring Harness | Littelfuse Inc. |
| 4 | SFS4-SFD | SOCKET RELAY DIN MNT FOR 4PRelay Socket DIN Rail | Panasonic Industrial Automation Sales |
| 5 | 2971344 | I/O MOUNTING BOARD 4POSI/O Module Rack 4 Channel | Phoenix Contact |
| 6 | CRF05-1A | RELAY RF SPST 500MA 5V | Standex-Meder Electronics |
| 7 | HS501DR | HEATSINK SSR 5.0DEG C/W DIN MNTHeat Sink Multiple Series | Sensata-Crydom |
| 8 | RP28500 | METAL RETAINING CLIP RT RP RYClip, Hold Down RP78 Sockets, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 9 | G6K-2F-RF-TR03 DC4.5 | RELAY RF DPDT 1A 4.5V | Omron Electronics Inc-EMC Div |