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Nonfusible, Safety Switch, General Duty, 240 V, 2PST MPN:DU221RB

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Brand: Square D
Part #: DU221RB
UPC: 785901490340
SKU
510-G1447607
Regular Price $281.81 Special Price $201.29

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Nonfusible, Safety Switch, General Duty, 240 V, 2PST

The SQUARE D - DU221RB Safety Disconnect Switch is an essential device for industry professionals and homeowners alike, providing a safe and reliable way to interrupt the flow of electricity for maintenance and emergency situations. With a maximum rating of 30 Amps AC current, this switch is perfect for residential use, reducing the risk of electrical accidents during routine operations or unexpected events. Its non-fusible design and general duty classification make it suitable for indoor and outdoor applications, withstanding harsh environmental conditions.

Top product features:

  • Interrupts the flow of electricity for safe equipment maintenance and emergency situations.
  • Rated for a maximum of 30 Amps AC current.
  • Employes a non-fusible disconnect type mechanism to manually break the circuit.

Top product applications:

  • Residential use
  • Industrial electrical supplies
  • Emergency situations

The SQUARE D - DU221RB is a Safety Disconnect Switch, an essential device in the realm of industrial electrical supplies. This switch is designed to interrupt the flow of electricity for safe equipment maintenance and emergency situations. It's used by industry professionals to quickly and safely disconnect power systems, reducing the risk of electrical accidents during routine operations or unexpected events.


  • Amps AC: The switch is rated for a maximum of 30 Amps AC current.
  • Certifications: UL listed file E2875, indicating it has met certain safety standards.
  • Contact Form: The 2PST contact form indicates how many circuits can be controlled and whether they are normally open (NO) or closed (NC).
  • Device Application: Intended for residential use, may be installed in homes.
  • Disconnect Type: Non-fusible disconnect type employs a mechanism to manually break the circuit.
  • Duty & Environment: Classified as general duty with potential application in both indoor/outdoor environments
  • Electrical Connection & Enclosure Type: Uses lugs as an electrical connection method with NEMA 3R enclosure rating suggests compatibility with certain environmental conditions like dust, water exposure and external ice formation. Always refer to product manual before usage under these conditions.
  • Gauge/Conductor Compatibility: Compatible with wire sizes ranging from 12 to 6 AWG (Aluminum), and from14 to 6 AWG (Copper).


Additional Information

  • Country of Origin: MX
  • 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: 15.75
  • Package Width: 11.81
  • Package Height: 11.81
  • Package Weight: 14.30
Product info last updated on February 2, 2026 3:40am UTC Category: Industrial Electrical Controls and Automation
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In stock