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Nonfusible, Safety Switch, General Duty, 240 V, 3PST, NEMA 1 MPN:DU323

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In Stock
Brand: Square D
Part #: DU323
UPC: 785901491804
SKU
510-G0484994
Regular Price $754.59 Special Price $538.99

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Nonfusible, Safety Switch, General Duty, 240 V, 3PST, NEMA 1

The SQUARE D - DU323 Safety Disconnect Switch is an essential electrical device for various industrial settings, providing safe equipment maintenance and emergency response. Designed for power systems requiring quick disconnection, this switch minimizes electrical accidents during routine operations or unexpected events. With a 100 A current rating, it safely handles electrical loads. UL listed and rated for general duty, this non-fusible disconnect switch is suitable for indoor environments, resistant to dust, water, corrosion, and external ice formation. Ideal for residential use, it ensures safe and efficient electrical operation, making it a crucial component for industrial settings.

Top product features:

  • Handles specified electrical loads of up to 100 A
  • Features a 3PST contact form for controlling multiple circuits
  • Includes a NEMA 1 rated enclosure for resistance to environmental conditions

Top product applications:

  • Industrial settings
  • Residential use
  • Power systems

The SQUARE D - DU323 is a Safety Disconnect Switch, an essential electrical device used in various industrial settings. It serves to interrupt the flow of electricity for safe equipment maintenance and during emergency situations. This switch is part of the broader category of Electrical Supplies, intended for use in power systems where quick disconnection is required, potentially aiding in minimizing electrical accidents during routine operations or unexpected events.


  • Amps AC: With a current rating of 100 A, this switch is designed to handle specified electrical loads. Overheating or damage may occur if these specifications are exceeded.
  • Certifications: The product has received UL listed file E2875 certification which indicates it has met certain industry standards for safety and performance.
  • Contact Form: The 3PST contact form indicates how many circuits it can control and whether they are normally open (NO) or closed (NC).
  • Device Application: Intended for residential use based on manufacturer's design and recommendations.
  • Disconnect Type: As a non-fusible disconnect switch, it employs a mechanism to manually break the circuit.
  • Duty & Environment: Rated for general duty and suitable for indoor environments.
  • Electrical Connection & Enclosure Type: Uses lugs as an electrical connection method with NEMA 1 rated enclosure intended to resist certain environmental conditions like dust, water, corrosion and external ice formation as per the given ratings.


Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 19.50
  • Package Width: 10.60
  • Package Height: 7.40
  • Package Weight: 14.25
Product info last updated on January 15, 2026 7:48am UTC Category: Industrial Electrical Controls and Automation
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In stock