| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MTAC-GPIO | ACCY CARD GPIO CBL SOLD SEPARATE | Multi-Tech Systems Inc. |
| 2 | 2966278 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | TQ2-L-24V | RELAY TELECOM DPDT 1A 24VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | 8-1415034-1 | SOCKET DINRAIL SCREW TERM 11PINRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 5 | SFS2-L-DC12V-D | RELAY SAFETY 4PST 6A 12V DIODESafety Relay 4PST-NO/NC (2 Form A, 2 Form B) 12VDC Coil Through Hole | Panasonic Industrial Automation Sales |
| 6 | XT374R24 | RELAY GEN PURPOSE SPDT 16A 24VGeneral Purpose Relay SPDT (1 Form C) 24VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | G2RL-14 DC48 | RELAY GEN PURPOSE SPDT 12A 48VGeneral Purpose Relay SPDT (1 Form C) 48VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | SY4S-02F1 | RELAY HOLD DOWN SPRINGClip, Hold Down RY Series Sockets | IDEC |
| 9 | ARA200A09 | RELAY RF DPDT 1A 9V | Panasonic Electric Works |