| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | EC2-5NU | RELAY GEN PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | KEMET |
| 2 | P6BF4BNDDC12 | RELAY SOCKET DIN G3S4 G6B-4Relay Socket DIN Rail | Omron Electronics Inc-EMC Div |
| 3 | 27E152 | SOCKET BRKT MNT 4P R10 SERIESRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | 1-1393824-0 | RELAY SOCKET PCB SIZE IIIRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | ALZ51F05W | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 6 | MS-4H | I/O MOUNTING BOARD MINI 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 7 | 2IOM24 | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | TE Connectivity Potter & Brumfield Relays |
| 8 | PB-4C4 | I/O MOUNTING BOARD C4 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 9 | 70LRCK8-DIN | I/O MOUNTING BOARD OPENLINE 8POSI/O Module Rack 8 Channel | Grayhill Inc. |