| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2SL-L2-3V | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | D3204 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | TQ2SA-48V | RELAY TELECOM DPDT 2A 48VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 4-1415033-1 | SOCKET FOR PT5 MINI RELAYSRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 5 | SH3B-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 | RTH34024 | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 70RCK16 | I/O MOUNTING BRD STANDARD 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 9 | 2974891 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |