| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | EC2-3NU | RELAY GEN PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) Through Hole | KEMET |
| 2 | EE2-4.5TNU | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 3 | TQ2SA-L2-5V-Z | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | RSE112034-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 5 | SH4B-05 | SOCKET DIN MOUNT SCREW TYPERelay Socket DIN Rail | IDEC |
| 6 | SR4M4021 | RELAY SAFETY 4PST 8A 21VSafety Relay 4PST-NO/NC (3 From A, 1 Form B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | HL2-HP-AC100V-F | RELAY GEN PURPOSE DPDT 10A 100VGeneral Purpose Relay DPDT (2 Form C) 100VAC Coil Through Hole | Panasonic Electric Works |
| 8 | PB4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 9 | 70GRCP32-HL | I/O MOUNTING BOARD G5 32POSI/O Module Rack 32 Channel | Grayhill Inc. |