What Class of fuse does the CH366, CH366R, CH366DS and CH366AWK safety switches accept?
Product design feature
Canadian Heavy Duty Safety Switches
These switches accept Class H or K fuses as standard. Options include Class R fuses (field install Class R Fuse Kit HRK4060) and Class J fuses (field install Class J Adaptor Kit H600J). With Class H or K fuses installed, the switches are CSA approved for use on systems with up to 10,000 RMS Symmetrical Amperes available fault current. With Class R or J fuses and the appropriate fuse kit installed, the switches are CSA approved for use on systems with up to 200,000 RMS Symmetrical Amperes available fault current.
NOTE: DO NOT USE RENEWABLE LINK FUSES IN SQUARE D SAFETY SWITCHES. The use of renewable link fuses may adversely affect user safety, impair reliability and will void the warranty.