CSIR vs. CSCR: What’s the Difference?

If you’ve heard the terms “CSIR” and “CSCR” and wondered what they mean, you’re not alone. This is a common question, and the answer may have a significant effect on how your motor runs, depending on its size and application.

 Franklin Electric manufactures 2 types of single-phase, 3-wire submersible motor systems: capacitor-start/induction-run (CSIR) and capacitor start/capacitor run (CSCR). Actually, both systems use the same induction-run motor design. The difference, however, is evident in the control box. Continue reading