| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | TQ2SS-L2-3V-Z | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 910521 | RELAY SOCKET RS KU2 120VAC 1CHRelay Socket DIN Rail | Weidmuller |
| 4 | JRE400201 | QUICK MOUNT, 4 POLE WCRelay | Amphenol Pcd |
| 5 | JRE200311 | QUICK MOUNT, 2 POLE WCRelay | Amphenol Pcd |
| 6 | 27E894 | RELAY SOCKETS RAIL MOUNTRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 7 | MY4ZN AC110/120 (S) | RELAY GEN PURPOSE 4PDT 3A 120VGeneral Purpose Relay 4PDT (4 Form C) 120VAC Coil Socketable | Omron Automation and Safety |
| 8 | SP4-PL2-DC5V | RELAY GEN PURPOSE 4PDT 10A 5VGeneral Purpose Relay 4PDT (4 Form C) 5VDC Coil Through Hole | Panasonic Electric Works |
| 9 | G2RL-1-H DC12 | RELAY GEN PURPOSE SPDT 10A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |