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Miniature Circuit Breaker, QO Series, 50A, 3 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOU3501021

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In Stock
Brand: Square D
Part #: QOU3501021
UPC: 785901518655
SKU
510-G0356596
Regular Price $693.41 Special Price $495.29

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Miniature Circuit Breaker, QO Series, 50A, 3 Pole, 120/240V AC, 10kA at 120/240V AC

The Square D QO Series 50A 3 Pole Miniature Circuit Breaker is a reliable and versatile solution for protecting your electrical systems. Suitable for use with air conditioning and refrigeration equipment, heating systems, and more, this circuit breaker provides 10kA of interrupting capacity at 120/240V AC. With a shunt trip mechanism and toggle actuator, it offers easy and safe operation. Its compact design fits securely on surface or DIN rail mounts, making it an ideal choice for a wide range of applications. With a lead time of just one day, you can get the protection you need quickly and efficiently.

Top product features:

  • Trip circuit breaker with a 50A capacity
  • Protects against electrical overloads with a 10kA short-circuit current rating
  • Has a shunt trip mechanism and a toggle actuator for manual operation

Top product applications:

  • Air Conditioning and Refrigeration Equipment
  • Heating
  • Terminal Connection Slotted Box Lug (Line and Load)
Miniature Circuit Breaker, Amps 50 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 3, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Compatible Panelboard/Load Center Series QO, Phase Three, Series QOU, Max. AIR Rating 10kA at 120/240V AC, For Use With Air Conditioning and Refrigeration Equipment, Heating, Terminal Connection Slotted Box Lug (Line and Load), Frame Size 100A/QOU, Length 4.05 in

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: 3.40
  • Package Width: 5.40
  • Package Height: 3.60
  • Package Weight: 1.40
Product info last updated on February 7, 2026 5:16pm UTC Category: Circuit Protection
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In stock