| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2963747 | SAFETY RELAY DIN RAIL MOUNT 24VSafety Relay 7PST-NO/NC (5 Form A, 2 Form B) 24VAC/DC Coil DIN Rail | Phoenix Contact |
| 3 | AHES3292 | RELAY GEN PURPOSE DPST 35A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 4 | RH4B-ULAC120V | RELAY PLUG-IN 4PDT 10A 120VACGeneral Purpose Relay 4PDT (4 Form C) 120VAC Coil Socketable | IDEC |
| 5 | 70MRCK24-EC | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 6 | PB114012 | RELAY GEN PURPOSE SPDT 10A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | PB-16H | I/O MOUNTING BRD STANDARD 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 8 | ARE1003 | RELAY RF 1 FORM C 3V | Panasonic Electric Works |
| 9 | SLO12TR | DELCON 12VDCIN/240VAC 3.0AOUTAC Output Module Output Module 0 ~ 3A 0 ~ 240VAC Output 12VDC Supply | Weidmuller |