| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | 2-1462039-8 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | 2955438 | CONN TERM BLOCKRelay | Phoenix Contact |
| 4 | 910107 | RELAY SOCKET RS 6A W/DIODERelay Socket DIN Rail | Weidmuller |
| 5 | 85102031 | RELAY SAFETY 3PST 5A 24VSafety Relay 3PST-NO (3 Form A) 24VDC Coil DIN Rail | Crouzet |
| 6 | JS1F-F-24V-F | RELAY GEN PURPOSE SPDT 10A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | Panasonic Electric Works |
| 7 | LKT1AF-9V | RELAY GEN PURPOSE SPST 5A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | Panasonic Electric Works |
| 8 | 4-2158100-6 | RZL3-1C4-L012-WRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 9 | 70-ODC5A | OUTPUT MODULE DC STD 18MA 5VDCDC Output Module Output Module 0.02 ~ 3.5A 4 ~ 200VDC Output 5VDC (2.5 ~ 9VDC) Supply | Grayhill Inc. |