| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2SL-4.5V | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | 3-1415043-1 | SOCKET 4POLE PCB PTRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | HC2-PS-K | ACCY RELAY SOCKET W/CLIP HC2 PCBRelay Socket Through Hole | Panasonic Electric Works |
| 4 | NC4D-DC12V | RELAY GEN PURPOSE 4PDT 5A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Panasonic Electric Works |
| 5 | PT270L24 | RELAY GEN PURPOSE DPDT 12A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | G2RL-1A-E DC18 | RELAY GEN PURPOSE SPST 16A 18VGeneral Purpose Relay SPST-NO (1 Form A) 18VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | RY4S-UAC24V | 4PDT BLADE RELAYGeneral Purpose Relay 4PDT (4 Form C) 24VAC Coil Socketable | IDEC |
| 8 | 70GRCQ24-HL | I/O MOUNTING BOARD G5 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 9 | 70G-IAC5A | INPUT MODULE AC 6MA 5VDCAC Input Module Output Module 10mA 5VDC Output 180 ~ 280VAC (240VAC Nom) Supply | Grayhill Inc. |