| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | DS2E-S-DC9V | RELAY GENERAL PURPOSE DPDT 2A 9VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | KHAU-17D16-24 | RELAY GEN PURPOSE 4PDT 1A 24VGeneral Purpose Relay 4PDT (4 Form C) Socketable | TE Connectivity Potter & Brumfield Relays |
| 4 | RSL116064 | EXTENDED HEIGHT, 2 POLE/10 AMP,Relay | Amphenol Pcd |
| 5 | 185402-2 | MODULAR RELAY HOLDERRelay | TE Connectivity Potter & Brumfield Relays |
| 6 | P7SA-14F | SOCKET RELAY 6P DIN MOUNT G7SARelay Socket DIN Rail | Omron Automation and Safety |
| 7 | S89R5DAC1-12 | RELAY IMPULSE SPDT 15A 12VImpulse Relay SPDT (1 Form C) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | 6-1415036-1 | LED MODULE REDModule, LED and/or Protection RT Series, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 9 | 70MRCK16-RL | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |