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Are Square D General Duty, Heavy Duty and Double Throw Safety Safety Switches rated for use at 80% or 100% of their current rating?

Published date: 08 May 2019

Product Design Features 

Product Line:
Safety Switches

Maximum Current Ratings 


All General Duty, Heavy Duty or Double Throw Safety Switches maximum current rating, either 80% or 100% of the nameplate rating, depends on if the switch is Fusible or NON-Fusible.
  • Fusible switches are rated to carry up to 80% of the amp rating of the fuses installed in the switch
  • Non-fusible (unfused) switches are rated to carry 100% of the switch nameplate ampere rating

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