| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | SR125SMS4501 | RELAY SAFETY 1NC 1NO 1.5A 24VSafety Relay DPST-NO/NC (1 Form A, 1 From B) DIN Rail | Omron Automation and Safety |
| 3 | TQ2SA-48V-Z | RELAY TELECOM DPDT 2A 48VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | AGQ260S4H | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 5 | RSE116627-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 6 | RSE120051C | CONN RELAY SOCKETRelay | Amphenol Pcd |
| 7 | 2900444 | PLC-BPT- 12DC/21Relay | Phoenix Contact |
| 8 | RM78700 | SOCKET RELAY CHAS MT RM SERIESRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 9 | DK1A-PS | SOCKET RELAY PC MNT FOR DK1ARelay Socket Through Hole | Panasonic Electric Works |