| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TXD2-4.5V | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | G6J-2P-Y DC4.5 | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | NDS-8 | RELAY SOCKET DIN 8-PINRelay Socket DIN Rail | Littelfuse Inc. |
| 4 | S90R5ABD1-120 | RELAY IMPULSE SPDT 20A 120VImpulse Relay SPDT (1 Form C) 120VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | 70MRCQ24-EC | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 6 | P7TF-OS16 DC24V | RELAY BLOCK 16POS NPN OUT 24VDCI/O Module Rack 16 Channel | Omron Automation and Safety |
| 7 | 2962926 | I/O MOUNTING BOARD 16POSI/O Module Rack 16 Channel | Phoenix Contact |
| 8 | PB-32C4 | I/O MOUNTING BOARD C4 32POSI/O Module Rack 32 Channel | Sensata-Crydom |
| 9 | 70M-IDC5NP | INPUT MODULE AC/DC 18MA 5VDCAC/DC Input Module Output Module 10mA 5VDC Output 15 ~ 32VAC, 10 ~ 32VDC Supply | Grayhill Inc. |