SEL recommends selecting the SEL-3555 Real-Time Automation Controller (RTAC) in place of the SEL-3573. The SEL-3555 RTAC provides the current functionality of the SEL-3573 in addition to other advanced capabilities. SEL will continue to support and warranty the SEL-3573.
Compare the SEL-3573 and SEL-3555
Replacement product: SEL-3555 Real-Time Automation Controller
Product | Revision | Firmware ID | Date Available | Serial Number |
---|---|---|---|---|
SEL-3573 | R117-V3 | SEL-3573-R117-V3-Z009008-D20191101 | 11/5/19 | ~1193090001 |
The Firmware IDs for older versions of the firmware can typically be found in Appendix A of the instruction manual.