| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | 2967154 | TERM BLOCKRelay | Phoenix Contact |
| 3 | RSL116059 | EXTENDED HEIGHT, 4 POLE/10 AMP,Relay | Amphenol Pcd |
| 4 | RSL116090 | EXTENDED HEIGHT, 2 POLE/10 AMP,Relay | Amphenol Pcd |
| 5 | SKTDIN00 | DIN RAIL MOUNT 8-PIN OCTALRelay Socket DIN Rail | Red Lion Controls |
| 6 | AHES4191 | RELAY GEN PURPOSE 3PST 35A 12VGeneral Purpose Relay 3PST-NO/NC (2 Form A, 1 Form B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 7 | G6B-1114P-US-DC3 | RELAY GENERAL PURPOSE SPST 5A 3VGeneral Purpose Relay SPST-NO (1 Form A) 3VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | T90N5D12-24 | RELAY GEN PURPOSE SPDT 20A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 2972880 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |