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SQD DU321 30A-240V-3P SW

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Designed for residential and commercial applications where durability and economy are prime considerations. An excellent choice for disconnecting lighting, air conditioning and appliances. When equipped with fuses, over-current and short circuit protection is provided.
Square D  /  DU321


SE Part Number: 20111

SE Part Name:  SQD DU321 30A-240V-3P SW

UPC:  78590149160

Part Number: DU321

UNSPSC: 39122205

Status:  STOCK

Your Price:  $102.98 / ea
Qty  eaAdd to Cart View Cart Checkout


Total Availabile: 26 ea

Availability By Branch

  • Springfield, ILB/O or Special Order
  • Bloomington, IL2 ea
  • Champaign, IL3 ea
  • East Peoria, ILB/O or Special Order
  • Danville, IL1 ea
  • Mt. Vernon, ILB/O or Special Order
  • Mattoon, ILB/O or Special Order
  • Peru, ILB/O or Special Order
  • Rockford, IL3 ea
  • Decatur, IL2 ea
  • Moline, ILB/O or Special Order
  • Carbondale, IL3 ea
  • Davenport, IAB/O or Special Order
  • Edwardsville, IL2 ea
  • CorporateB/O or Special Order
  • Quincy, ILB/O or Special Order
  • Hannibal, MO2 ea
  • Evansville, INB/O or Special Order
  • Vincennes, INB/O or Special Order
  • Terre Haute, IN8 ea


  • Service entrance equipment
  • Point of load
  • Overload or thermal protection
  • Short circuit or high fault protection
  • From live parts
  • Arcing during switching
  • During maintenance of loads
  • Commercial Buildings
  • Educational Campuses
  • Residential
  • Electrical interlocks
  • Fuse puller kits for 60 and 100A switches
  • Class R fuse kits

Offer Sustainability

  • Sustainable Offer Status: Green Premium product
  • RoHS (Date Code: YYWW): Compliant  - since  1301  -  Schneider Electric declaration of conformity
  • Product Environmental Profile: Available
  • Product End Of Life Instructions: Need no specific recycling operations


  • Product Or Component Type: Single Throw Safety Switch
  • Line Rated Current: 30 A
  • Product Certifications: UL listed
  • NEMA Degree Of Protection: NEMA 1
  • Disconnector Device Type: Non-fusible disconnect
  • Device Composition: None
  • Device Mounting: Surface
  • Number Of Poles: 3
  • Electrical Connection: Lugs
  • Series Name: General duty

Contractual Warranty

  • Warranty Period: 18 months

Ordering and Shipping Details

  • Category: 00006 - D & DU SW, NEMA1, 30-200A
  • Discount Schedule: DE1A
  • GTIN: 00785901491606
  • Number Of Units In Package: 1
  • Package Weight(Lbs): 4.46
  • Returnability: Y
  • Country Of Origin: MX
Time Zone 

Alternative Product Disclaimer

The online Cross-Reference Information presented on Springfield Electric's Website is proprietary and provided as a tool to determine potential equivalent catalog numbers. Catalog numbers of other manufacturers are shown for products that appear to be equivalent in their functional use, though not necessarily interchangeable. Product replacements/cross-reference may not be exact one-for-one match. They may not be equivalent as to form-fit-function requirements and may require a system replacement . Springfield Electric and the manufacturers recommend review of manufacturers' product literature, associated documentation of product details and verification of the information necessary to make the appropriate product selecting for a given application.