| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2-1437683-2 | RELAY SOCKET 22-14AWG 8POSRELAY SOCKET 22-14AWG 8POS | TE Connectivity AMP Connectors |
| 2 | 2271028 | PLUG-IN BASE STD I/O MODRelay | Phoenix Contact |
| 3 | 1415526-1 | RELAY DIN SOCKETRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 4 | S4EB-L-12V | RELAY GEN PURPOSE 4PST 4A 12VGeneral Purpose Relay SPST-NO (1 Form A) x 4 12VDC Coil Through Hole | Panasonic Electric Works |
| 5 | 70RCK4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 6 | PB-24SM-BV | I/O MOUNTING BOARDI/O Module Rack 24 Channel | Sensata-Crydom |
| 7 | ARS14Y4H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |
| 8 | 73G-OI420 | I/O MODULE 4-20MA 12-BIT;3.90UAAnalog Output Module Output Module Output Supply | Grayhill Inc. |
| 9 | 2833592 | RELAY RETAINING BRACKETClip and Release Lever PR2 Series | Phoenix Contact |