| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | RSE116682-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 3 | PY14 | RELAY SOCKET 4PDT EYELET MY SERRelay Socket Panel Mount | Omron Automation and Safety |
| 4 | SY2S-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 5 | PRD-7DY0-12 | RELAY GEN PURPOSE DPST 25A 12VGeneral Purpose Relay DPST-NO (2 Form A) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | KHAU-17A11-120 | RELAY GEN PURPOSE 4PDT 3A 120VGeneral Purpose Relay 4PDT (4 Form C) 120VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | HJ4-L-T-DC24V | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | Panasonic Electric Works |
| 8 | G6K-2F-RF-T-TR03 DC24 | RELAY RF DPDT 1A 24V | Omron Electronics Inc-EMC Div |
| 9 | DRIAC24 | INPUT MODULE AC 5MA 24VDCAC Input Module Output Module 28mA 24VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Sensata-Crydom |