Circuit Protection Design and SCCR Tables-Low Voltage AC Drives
Revised February 2025
| Product Family | Protective Device | 50Hz Voltages | Single Phase Inputs | 60Hz Voltages | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 220-230V | 380-400V | 415V | 440V | 500-525V | 690V | 120V | 240V | 200-208V | 230-240V | 300V | 480V | 600V | 690V | ||
| PowerFlex 520 Drives | IEC DIN Class Fuses - Maximum Fuse Sizing | SCCR-41101M.pdf | SCCR-41301M.pdf | SCCR-41401M.pdf | SCCR-41501M.pdf | SCCR-41701M.pdf | SCCR-41251M.pdf | SCCR-41271M.pdf | SCCR-41651M.pdf | SCCR-41851M.pdf | |||||
| IEC DIN Class Fuses - Optimized Fuse Sizing | SCCR-41102M.pdf | SCCR-41302M.pdf | SCCR-41402M.pdf | SCCR-41502M.pdf | SCCR-41702M.pdf | SCCR-41251M.pdf | SCCR-41271M.pdf | SCCR-41651M.pdf | SCCR-41851M.pdf | ||||||
| 140G Molded Case Circuit Breakers | SCCR-41111M.pdf | SCCR-41311M.pdf | SCCR-41411M.pdf | SCCR-41511M.pdf | |||||||||||
| 140M/140MT Motor Protection Circuit Breakers | SCCR-41121M.pdf | SCCR-41321M.pdf | SCCR-41421M.pdf | SCCR-41521M.pdf | SCCR-41721M.pdf | ||||||||||
| PowerFlex 4 Drives | UL Class J Fuses - Maximum Fuse Sizing | SCCR-42301M.pdf | SCCR-42401M.pdf | SCCR-42501M.pdf | SCCR-42651M.pdf | SCCR-42671M.pdf | |||||||||
| UL Class J Fuses - Optimized Fuse Sizing | SCCR-42321M.pdf | SCCR-42421M.pdf | SCCR-42521M.pdf | SCCR-42651M.pdf | SCCR-42671M.pdf | ||||||||||
| IEC DIN Class Fuses | SCCR-43301M.pdf | SCCR-43401M.pdf | SCCR-43501M.pdf | SCCR-43651M.pdf | SCCR-43671M.pdf | ||||||||||
| 140M Motor Protection Circuit Breakers | SCCR-43321M.pdf | SCCR-43421M.pdf | SCCR-43521M.pdf | SCCR-43651M.pdf | SCCR-43671M.pdf | ||||||||||
| PowerFlex 4M Drives | UL Class J Fuses | ||||||||||||||
| 140G Molded Case Circuit Breakers - Maximum CB Sizing (Type 1) | SCCR-44311E.pdf | SCCR-44411E.pdf | SCCR-44661E.pdf | SCCR-44861E Type1.pdf | |||||||||||
| 140G Molded Case Circuit Breakers - Maximum CB Sizing (Type 2) | SCCR-44312E.pdf | SCCR-44412E.pdf | SCCR-44662E.pdf | SCCR-44862E Type2.pdf | |||||||||||
| 140G Molded Case Circuit Breakers - Optimized CB Sizing (Type 1) | SCCR-44321M.pdf | SCCR-44421M.pdf | SCCR-44671M.pdf | SCCR-44871M.pdf | |||||||||||
| PowerFlex 750 Drives | 140G Molded Case Circuit Breakers - Optimized CB Sizing (Type 2) | SCCR-44651E.pdf | SCCR-44652E.pdf | SCCR-44851E.pdf | SCCR-44852E.pdf | ||||||||||
| 140M Motor Protection Circuit Breakers | SCCR-4539M.pdf | SCCR-4549M.pdf | SCCR-4559M.pdf | SCCR-4569M.pdf | SCCR-4599M.pdf | SCCR-4519M.pdf | |||||||||
| PowerFlex 755T Drives | UL Class J Fuses - Maximum Fuse Sizing | ||||||||||||||
| PowerFlex 755TS Drives | UL Class J Fuses - Optimized Fuse Sizing | ||||||||||||||
