| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | HC1-PS-K | SOCKET PCB W/CLIP FOR HC1 RELAYSRelay Socket Through Hole | Panasonic Electric Works |
| 3 | MJN2C-E-AC120 | RELAY GEN PURPOSE DPDT 20A 120VGeneral Purpose Relay DPDT (2 Form C) 120VAC Coil Chassis Mount | Omron Automation and Safety |
| 4 | T9AV2D22-24 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 5 | G6C-2117P-US-DC3 | RELAY GENERAL PURPOSE DPST 8A 3VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 3VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | G5RL-1-E AC230/240 | RELAY GEN PURPOSE SPDT 16A 240VGeneral Purpose Relay SPDT (1 Form C) 240VAC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | G6K-2F-RF-S-TR03 DC4.5 | RELAY RF DPDT 1A 4.5V | Omron Electronics Inc-EMC Div |
| 8 | 9202-05-20 | RELAY RF SPST 500MA 5V | Coto Technology |
| 9 | 6321 | OUTPUT MODULE DC STD 20MA 5VDCDC Output Module Output Module 0.02 ~ 3.5A 3 ~ 60VDC Output 5VDC (3.5 ~ 6VDC) Supply | Sensata-Crydom |