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Fusible, Safety Switch, General Duty, 240 V, 3PST, NEMA 1 MPN:D323N

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Brand: Square D
Part #: D323N
UPC: 785901461357
SKU
510-G0461781
Regular Price $872.61 Special Price $623.29

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

The Square D D323N Safety Disconnect Switch is a reliable and efficient solution for swift power disconnection in residential settings. Designed for use in homes, this industrial-grade device provides a high current rating of 100 A, ensuring safe and reliable operation. With its UL listed certification and 3PST contact form, it offers flexibility and control over multiple circuits. The fusible design and NEMA 1 enclosure type rating provide added protection against overheating and environmental conditions. Suitable for a variety of applications, including emergency shutdowns and equipment maintenance, this switch is a valuable addition to any residential electrical system.

Top product features:

  • Fusible design allows for automatic disconnection in case of excessive heat
  • 3PST contact form enables control of three circuits
  • NEMA 1 enclosure rating provides resistance to dust and external ice formation

Top product applications:

  • General Duty
  • Residential use
  • Industrial applications
  • The SQUARE D - D323N is a Safety Disconnect Switch intended to disrupt the flow of electricity during equipment maintenance and in emergency scenarios. This industrial electrical device, part of the broader category of Electrical Supplies, is utilized by industry professionals with an aim to swiftly disconnect power systems, which may help reduce potential electrical mishaps during regular operations or unforeseen circumstances.


    • Amps AC: With a 100 A current rating, this switch is rated for carrying significant electrical loads. Overheating or damage could occur if these limits are exceeded.
    • Certifications: The UL listed file E2875 indicates that this safety disconnect switch has been evaluated against certain safety and quality standards relevant to industrial applications.
    • Contact Form: The 3PST contact form indicates how many circuits can be controlled and whether they are normally open (NO) or closed (NC), thus determining the functionality of the switch.
    • Device Application: Intended for residential use
    • it might be appropriate for installation in homes where swift disconnection from power sources could be required.
    • Disconnect Type: As a fusible disconnect switch, it employs a replaceable fuse designed to melt under conditions of excessive heat as one method of potentially disrupting electric current.
    • Electrical Connection: Uses lugs as connectors to establish an efficient electrical circuit within its system.
    • Enclosure Type & Environment: With its NEMA 1 enclosure type rating, it is intended to resist certain indoor environmental conditions like dust and external ice formation. Performance may vary based on actual operating conditions.



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: 10.80
  • Package Width: 7.20
  • Package Height: 19.70
  • Package Weight: 15.95
Product info last updated on January 27, 2026 6:32am UTC Category: Industrial Electrical Controls and Automation
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In stock