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Miniature Circuit Breaker, QO Series, 50A, 3 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOB3501021

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Brand: Square D
Part #: QOB3501021
UPC: 785901494447
SKU
510-G0875131
Regular Price $900.61 Special Price $643.29

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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 efficient solution for protecting your electrical system. Designed for use in Square D NQOD panelboards, this circuit breaker provides 10kA of protection at 120/240V AC, ensuring the safety of your equipment and people. Its shunt trip mechanism allows for easy installation and maintenance, while its compact design fits seamlessly into your panelboard. Suitable for a variety of applications, including residential and commercial settings, this circuit breaker is a must-have for any electrical system. Its durability and reliability make it an excellent choice for demanding environments.

Top product features:

  • Trips in the event of an overload condition
  • Protects against electrical shock with a shunt trip mechanism
  • Protects against electrical overloads with a 10kA short circuit interrupting rating

Top product applications:

  • Residential electrical panels
  • Commercial electrical panels
  • Industrial electrical panels
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 Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center Series QO, Phase Three, Series QOB, Max. AIR Rating 10kA at 120/240V AC, For Use With Square D NQOD Panelboards, Terminal Connection Lug, Frame Size 100A/QO, Length 3.12 in, Width 3 in, Depth 2.91 in, Min. Operating Temp. 77 Degrees F

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: 3.60
  • Package Width: 3.30
  • Package Height: 4.50
  • Package Weight: 1.18
Product info last updated on January 15, 2026 4:53am UTC Category: Circuit Protection
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In stock