| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | AGQ21T4H | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | G6K-2P DC3 | RELAY TELECOM DPDT 1A 3VTelecom Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 4 | 2900450 | PLC-BPT- 24UC/ 1/ACTRelay | Phoenix Contact |
| 5 | 27E166 | RELAY SOCKET CHASSIS MOUNT 4PRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | R10-E1P4-V700 | RELAY GEN PURPOSE 4PDT 3A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | PCN-123D3MHZ,000 | RELAY GEN PURPOSE SPST 3A 23.5VGeneral Purpose Relay SPST-NO (1 Form A) 23.5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | AHES3290 | RELAY GEN PURPOSE DPST 35A 6VGeneral Purpose Relay DPST-NO (2 Form A) 6VDC Coil Through Hole | Panasonic Electric Works |
| 9 | 1-1393028-1 | INPUT MODULE AC 6MA 5VDCAC Input Module Output Module 18mA 5VDC Output 180 ~ 280VAC (240VAC Nom) Supply | TE Connectivity Potter & Brumfield Relays |