| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | IM04TS | RELAY TELECOM DPDT 2A 6VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | G6SU-2F-TR DC3 | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | G6AK-234P-ST-US-DC5 | RELAY GENERAL PURPOSE DPDT 1A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 5 | SFS4-SFD | SOCKET RELAY DIN MNT FOR 4PRelay Socket DIN Rail | Panasonic Industrial Automation Sales |
| 6 | SFY4-DC12V | RELAY SAFETY 6PST 6A 12VSafety Relay 6PST-NO/NC (4 Form A, 2 Form B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 7 | PT5S8LC4 | RELAY GEN PURPOSE 4PDT 6A 24VGeneral Purpose with Socket Relay 4PDT (4 Form C) 24VDC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 8 | RT334024F | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | SR4M4021 | RELAY SAFETY 4PST 8A 21VSafety Relay 4PST-NO/NC (3 From A, 1 Form B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |