| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | T81H5D312-05 | RELAY TELECOM SPDT 1A 5VTelecom Relay SPDT (1 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 2 | 185403-3 | MODULAR RELAY HOLDERRelay | TE Connectivity Potter & Brumfield Relays |
| 3 | PYF14S | SOCKET SCREWLESS 4P FOR MY2/4SERRelay Socket DIN Rail | Omron Automation and Safety |
| 4 | G2R-2-S DC5(S) | RELAY GENERAL PURPOSE DPDT 5A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Socketable | Omron Automation and Safety |
| 5 | DSP2A-L2-DC3V | RELAY GENERAL PURPOSE DPST 5A 3VGeneral Purpose Relay DPST-NO (2 Form A) 3VDC Coil Through Hole | Panasonic Electric Works |
| 6 | G6D-1A-ASI-NPDC21 | RELAY GEN PURPOSE SPST 5A 21VGeneral Purpose Relay SPST-NO (1 Form A) 21VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | PB-16M-V | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 8 | 2974299 | MOD VARIOFACE 16 PLUG-INI/O Module Rack 16 Channel | Phoenix Contact |
| 9 | 8869450000 | SCM-I CLIP MClip, Hold Down RCM Series | Weidmuller |