| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | 2900311 | RELAY GEN PURPOSE SPDT 50MA 230VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | DS1E-ML2-DC5V | RELAY GENERAL PURPOSE SPDT 2A 5VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 4 | TQ2-5V | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 5 | 03540536Z | RELAY SOCKET HOUSING ISO DOUBLERelay Housing Wiring Harness | Littelfuse Inc. |
| 6 | G6B-4CB DC24 | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose with Socket Relay 4PDT (4 Form C) 24VDC Coil DIN Rail | Omron Electronics Inc-EMC Div |
| 7 | HE1AN-DC6V | RELAY GEN PURPOSE SPST 30A 6VGeneral Purpose Relay SPST-NO (1 Form A) 6VDC Coil Chassis Mount | Panasonic Electric Works |
| 8 | V23148A1105A101 | RELAY GEN PURPOSE SPDT 5A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | ARS1009 | ARS (RS) HIGH FREQUENCY RELAY | Panasonic Electric Works |