| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MTAC-GPIO | ACCY CARD GPIO CBL SOLD SEPARATE | Multi-Tech Systems Inc. |
| 2 | 2900309 | RELAY GEN PURPOSE SPDT 50MA 60VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | V23079B1208B301 | RELAY GENERAL PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 4 | G6B-48BND-DC24 | RELAY GEN PURPOSE 4PST 2A 24VGeneral Purpose with Socket Relay SPST-NO (1 Form A) x 4 DIN Rail | Omron Electronics Inc-EMC Div |
| 5 | G6S-2F DC4.5 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 6 | TQ2-24V | RELAY TELECOM DPDT 1A 24VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 7 | 185403-3 | MODULAR RELAY HOLDERRelay | TE Connectivity Potter & Brumfield Relays |
| 8 | VCF4-1001 | HOUSING CONN 5POS FOR VF4 RELAYRelay Housing Wiring Harness | TE Connectivity Potter & Brumfield Relays |
| 9 | MKS2XT-11 DC24 | RELAY GEN PURPOSE DPST 5A 24VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 24VDC Coil Socketable | Omron Automation and Safety |