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Will the 1200 A heavy duty safety switches accept a class L, 800 A fuse?
Issue:
Product Design Features

Product Line:
Heavy Duty Safety Switch

Resolution:
Yes, the standard size for ALL 1200 A safety switches is a class L, 1200 A. But the two inner fuse mounting bolts that are provided on the 1200 A switch can be used to mount a 800 A size, class L fuse.

NOTES:
1) 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.

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