The RES 200 series has been replaced by the newer RES 400 series with micro-processor technology. The RES-403 replaces the now obsolete RES-203.
Upgrade Models and Part Numbers:
Part numbers for 115, 230 and 400VAC units
RES-403/115VAC Part No. 740301
RES-403/230VAC Part No. 740302
RES-403/400VAC Part No. 740303
Alternate industry names for RES-403 controllers:
- RES-403, RES403, RES_403, res-403, res403, res_403