| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | 911375 | RSM 4: 120VAC DPDT 10A SOCKERelay | Weidmuller |
| 3 | 18835 | RELAY SOCKET 11PIN ROUNDRelay | Curtis Industries |
| 4 | 2950996 | RELAY MODULE 4PDTRelay Socket DIN Rail | Phoenix Contact |
| 5 | KUL-11D15S-24 | RELAY GEN PURPOSE DPDT 10A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | 2834740 | RELAY GEN PURPOSE 4PDT 5A 120VGeneral Purpose with Socket Relay 4PDT (4 Form C) 120VAC Coil DIN Rail | Phoenix Contact |
| 7 | NC2D-P-DC5V | RELAY GENERAL PURPOSE DPDT 5A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Through Hole | Panasonic Electric Works |
| 8 | G5LE-1A4 DC5 | RELAY GEN PURPOSE SPST 10A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 9 | 2962379 | ACTIVE MODULEI/O Module Rack Channel | Phoenix Contact |