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What Class of fuse does ALL the 800Amp and 1200Amp, Heavy Duty Safety Switches accept? (like the H327, H367, H368, H368R and H368AWK)

Product design features

Product line:
Heavy Duty Safety Switches

Fuse Class


The 800amp and 1200amp Heavy Duty Safety Switches accept Class L fuses ONLY. With Class L fuses installed, the switches are UL listed 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.
NOTE: Class L fuse is a 600V construction fuse, that is used in the 240V rated switches
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