| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | RSE116702 | LOW PROFILE, 2 POLE/10 AMP, LCRelay | Amphenol Pcd |
| 3 | 27E892 | SOCKET DIN RAIL MT KRPA SERIESRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 4 | KHAU-17D12-12 | RELAY GEN PURPOSE 4PDT 5A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | ADW1205HT | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 6 | 70-IAC5 | INPUT MODULE AC 8MA 5VDCAC Input Module Output Module 10mA 5VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Grayhill Inc. |
| 7 | CA1A-DC12V-N | RELAY AUTOMOTIVE SPST 30A 12V | Panasonic Electric Works |
| 8 | 7-1414778-3 | RELAY AUTO SPST-NO 260A 24V | TE Connectivity Potter & Brumfield Relays |
| 9 | 2-1393302-3 | RELAY AUTOMOTIVE SPDT 60A 12V | TE Connectivity AMP Connectors |