| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | UD2-5SNU | RELAY GEN PURPOSE DPDT 1A 5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 2 | DS1E-M-DC5V | RELAY GENERAL PURPOSE SPDT 2A 5VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 3 | 2900450 | PLC-BPT- 24UC/ 1/ACTRelay | Phoenix Contact |
| 4 | PT2L7LB2 | RELAY GEN PURPOSE DPDT 12A 12VGeneral Purpose with Socket Relay DPDT (2 Form C) 12VDC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 5 | SFS4-DC12V | RELAY SAFETY 6PST 6A 12VSafety Relay 6PST-NO/NC (4 Form A, 2 Form B) 12VDC Coil Through Hole | Panasonic Industrial Automation Sales |
| 6 | 70GRCK4 | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 7 | PB-4R | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 8 | PB-16M-V | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 9 | DRIAC24 | INPUT MODULE AC 5MA 24VDCAC Input Module Output Module 28mA 24VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Sensata-Crydom |