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Square D HU36 Series Heavy Duty Three Phase Non-fused Disconnects 400 A NEMA 4/4X/5 600 V

Mfg #: HU365DS
BOR #: 543555
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All heavy duty safety Switches feature a quick-make, quick-break Operating Mechanism, a dual Cover Interlock and a Color-coded indicator Handle.

  • An abundance of copper is used in the heaviest Current carrying Power paths of all Square D by Schneider Electric heavy duty safety Switches
  • Load-make, load-break rated for the switch current rating
  • Lock-Off provision is standard on all heavy duty safety switches
  • Quick-make, quick-break, operating mechanism
  • Red and black handle indicates the ON (red) or OFF (black) switch position
  • Side-opening, left hinged covers
  • Standard with plated aluminum lugs which accepts both copper and aluminum wires
  • The more copper for Current carrying paths, the lower the temperature rise
  • The Square D F Series safety Switches provide significantly higher levels of Mechanical Endurance than NEMA KS-1 or UL98 standards require
  • Visible blades for positive blade position indication
  • UL 98 listed
  • Rainproof, Dust tight and Corrosion Resistant (Indoor/Outdoor)
  • NEMA 4/4X/5
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Product can be ordered only in multiples of
Brand Square D  
NEMA Rating NEMA 4/4X/5  
Number of Phases 3 phase  
Wire Size (1) 1/0 AWG - 750 kcmil  
Voltage 600 V  
Number of Poles 3  
Enclosure Type N4/N4X/N5 Enclosure  
Disconnect Type Non-fused  
Amperage 400 A  
Material Stainless Steel  
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Square D Specification Sheet Specification Sheet
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Tutorial discussing the options for locking the handle of a Square D™ Heavy Duty Safety Switch into...

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Tutorial for installing a SN0610 solid neutral assembly into a Square D F-series heavy duty safety...

Demonstrating the Dual Cover Interlock on Heavy Duty Safety Switches | Schneider Electric Support

A demonstration of the Dual Cover interlock feature of Square D Heavy Duty Safety Switches which...

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