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Square D HU36 Heavy Duty Three Phase Non-fused Disconnects 400 A NEMA 3R 600 V

Mfg #: HU365NR
BOR #: 2662315
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HU36 Series Heavy Duty Three Phase Non-fused Disconnects

  • 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. The more copper for Current carrying paths, the lower the temperature rise.
  • Load-make, load-break rated for the switch current rating
  • Lock-Off provision is standard on all heavy duty safety switches
  • According to the National Electric Code, section 690.15, PV arrays must have a disconnecting means to isolate the inverter from the PV power source.
  • Utility grid-tie inverters that utilize PV arrays with voltages above 250VDC require a disconnect rated for 600VDC to perform this function
  • Square D disconnects For Use With grid-tie inverters that don't already have pre-built disconnects
  • It is nonfusible, rated at 600 volts DC
  • The DC input of up to two sub-array can be connected to the safety switch and it is outdoor rated so it can be located close to the panels
  • Can be used for disconnecting up to three PV arrays for three grid-tie inverters
  • It has wiring lugs that are rated to accept two #14 to #10 wires in each lug
  • The Square D F Series safety Switches provide high levels of Mechanical Endurance than NEMA KS-1 or UL98 standards require
  • Red and black handle indicates the ON (red) or OFF (black) switch position
  • Side-opening, left hinged covers
  • The design life of a F-Series Switch is a minimum of three times the NEMA requirement
  • Visible blades for positive blade position indication
See More
Product can be ordered only in multiples of
Brand Square D  
NEMA Rating NEMA 3R  
Number of Phases 3 Phase  
Wire Size (1) 1/0 AWG - 750 kcmil, (2) 1/0 AWG - 300 kcmil  
Voltage 600 V  
Includes Solid neutral  
Number of Poles 3 Pole  
Enclosure Type N3R Enclosure  
Disconnect Type Non-fused  
Amperage 400 A  
Material Steel  
Schneider Electric Specification Sheet Specification Sheet
Digest Catalog 03: Safety Switches - 0100CT1901_SEC-03 (pdf) Catalog

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