| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 910507 | RSM 4 24VAC SPDT 10A SOCKETRelay | Weidmuller |
| 3 | RSE116627-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 4 | SJ2S-05BW | DIN SOCKET FOR RJ2Relay Socket DIN Rail | IDEC |
| 5 | SP2-SF | ACCY RELAY SOCKET SP SCREW TERMRelay Socket Chassis Mount | Panasonic Electric Works |
| 6 | 27E937 | SOCKET 8 PIN THTRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 2973041 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 8 | 2022104-1 | ACCY RETAIN CLIP DIN SCKTClip, Hold Down RT78726 Socket, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 9 | IAC5 | INPUT MODULE AC 6MA 5VDCAC Input Module Output Module 16mA 5VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Sensata-Crydom |