| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | D3222 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 2 | CR0002 | RLY SKTRelay | TE Connectivity AMP Connectors |
| 3 | JRE400201 | QUICK MOUNT, 4 POLE WCRelay | Amphenol Pcd |
| 4 | SM2S-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 5 | PRD-11AH0-120 | RELAY GEN PURPOSE DPDT 20A 120VGeneral Purpose Relay DPDT (2 Form C) 120VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | 70RCK4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 7 | 2972880 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 8 | SY4S-51F1 | RELAY HOLD DOWN SPRINGClip, Hold Down RY Series Sockets | IDEC |
| 9 | 9-1415036-1 | MODULE PROTECTION FOR RTModule, LED and/or Protection RT Series, SCHRACK | TE Connectivity Potter & Brumfield Relays |