| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 910503 | RSM 1 24VAC SPDT SOCKETRelay | Weidmuller |
| 3 | RSE120151 | LOW PROFILE, 4 POLE/5 AMP, WCRelay | Amphenol Pcd |
| 4 | 2980322 | 6.2MM PLC SENSOR TERM BLOCK 120VRelay Socket DIN Rail | Phoenix Contact |
| 5 | RS16 | RELAY SOCKET 8 PINRelay Socket Channel, Track | Curtis Industries |
| 6 | 03540551Z | RELAY SOCKET HOUSING 280 MICRORelay Housing Wiring Harness | Littelfuse Inc. |
| 7 | RH4B-ULDC24V | RELAY PLUG-IN 4PDT 10A 24VDCGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | IDEC |
| 8 | AHES3190 | RELAY GEN PURPOSE DPST 35A 6VGeneral Purpose Relay DPST-NO (2 Form A) 6VDC Coil Through Hole | Panasonic Electric Works |
| 9 | 70MRCK16-HS | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |