What Class of fuse does the CH325N, CH325NR, CH325NDS and CH325NAWK safety switches accept?
Issue: Fuse types for Canadian HD Safety Switches
Product Line: Canadian Heavy Duty Safety Switches
Cause: Types of fuses used
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 relocate the fuse base assembly to alternate position marked in the enclosure). With Class H or K fuses installed, the switches are CSA listed for use on systems with up to 10,000 RMS Symmetrical Amperes available fault current. With Class R fuses (and HRK4060 fuse kit installed) or Class J fuses installed, the switches are CSA listed for use on systems with up to 200,000 RMS Symmetrical Amperes available fault current.