text.skipToContent text.skipToNavigation

Please note that change of context may affect the pricing and availability of the existing items in the cart

There was an unexpected error retrieving your customer data. Please try again later.
Choose Account Settings
Choose your account setting to continue*:
Main Account
(Sold To)
Job Account/Sub Account
(Payer)
Show Availability For
Location
(Ship-To)
Changing the selections above may affect product pricing and availability, including items currently in your cart.

Square D HU36 Heavy Duty Three Phase Non-fused Disconnects 800 A NEMA 3R 600 V

Mfg #: HU367R
BOR #: 551465
Looking for prices?

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 phases  
Wire Size 3/0 AWG - 750 kcmil  
Voltage 600 V  
Number of Poles 3  
Enclosure Type N3R Enclosure  
Disconnect Type Non-fused  
Amperage 800 A  
Material Steel  
Small and medium project solutions, available now - brochure - 998-21381316_GMA-US_Small+and+medium+project+solutions+available+now (pdf) Brochure
Digest Catalog 03: Safety Switches - 0100CT1901_SEC-03 (pdf) Catalog
Square D Safety Switches Brochure - 3100BR9801 (pdf) Brochure
Safety Switches: Section 3 - Digest 179 (2024) - Safety-Switches-Digest-Catalog-0100CT2401-SEC-03 (pdf) Catalog
Schneider Electric Specification Sheet Specification Sheet
800A and 1200 A Heavy Duty Safety Switches Installation Instructions - 40271-959-02 (pdf) Installation and Instruction Manuals
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...

Installing Replacement Cover Latch & Spring on 30-200A Safety Switches | Schneider Electric Support

Tutorial for installing the replacement cover latch and spring kit on Square D General, ...

Installing RFK10 Class R Fuse Kits into 100A Series F Safety Switches | Schneider Electric Support

Tutorial for installing RFK10 Class R Fuse Kits into Square D 100A Series F Safety Switches to...

Differentiating Square D™ General Duty & Heavy Duty Safety Switches | Schneider Electric Support

Overview comparing the similarities and differences in physical characteristics and features of...

Installing SN0610 Neutral Assembly into an F-Series Heavy Duty Switch

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

Locking Square D™ Heavy Duty Safety Switch Handles to ON Position | Schneider Electric Support

Tutorial discussing the options for locking the handle of a Square D™ Heavy Duty Safety Switch into...

Relocating Heavy Duty Safety Switch Load Base to Accept Class J Fuses | Schneider Electric Support

Tutorial for converting a Square D Heavy Duty Safety Switch to accept Class J fuses by relocating...

The name already exists. Please enter a unique name.

Already Exists

List created successfully

You successfully added the product to your list with minimum order quantity.

Product Added

List updated successfully

empty name

There was a problem adding this product to your list. This may be because your list already contains 50 items.