Are Square D General Duty or Heavy Duty Safety Switches rated for use at 80% or 100% of their current rating?
Heavy Duty and General Duty Safety Switches
Clarification for application of the switch
This depends on if the switch is a fusible or a non fusible device. Fusible switches are restricted to 80% of the current rating of the fuses installed in the switch. Non fusible switches can carry 100% of their current rating.