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What Class of fuse does the H226N, H226NR, H226NDS and H226NAWK safety switches accept?

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 UL listed 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 UL listed for use on systems with up to 200,000 RMS Symmetrical Amperes available fault current.


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