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QOU150 – Square D – 50 Amp Circuit Breaker Bolt-On – 50 Amp – 1 Pole – 120 Volt

SKU: QOU150 Categories: ,



The Square D QOU150 1 Pole Circuit Breaker offers strong protection against overload conditions and overcurrent. It comes with a unit mount for ease of installation on most surfaces. Made for use with both AC and DC supplies it has AC and DC voltages of 120/240 V AC and 48 V DC respectively. Tested for quality this unit is UL listed and has received CSA and IEC certifications. When the current in the circuit increases and reaches a high value like in the case of a short circuit it cuts off the power supply to prevent damage to devices. It also offers overload protection to prevent damage to heavy-duty devices like motor and air conditioners. The circuit breaker has current and interrupting ratings of 50 Amp and 10 kAIC respectively.


Type Miniature- Standard
Number of Poles 1
Voltage Rating 120/240 Volt AC 50/60 Hertz- 48 Volt DC
Current Rating 50 Amp
Interrupting Rating 10 Kiloamp
Terminal Type Slotted Box Lug Line/Load
Wire Size 14 to 2 AWG (Copper/Aluminum)
Mounting DIN Rail/Unit/Surface/Flush
Used On OEM
Size 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
Approval UL- CSA
Brand Name QO™
Model QOU
Additional Information RoHS/REACH Compliant- Tightening Torque Rating 45 Inch-Pound- Applicable Standard IEC
Features/Benefits RoHS/REACH Compliant- Mercury-Free- Halogen-Free- Toxic Heavy Metal Free- HACR and Switching Duty Rated- Green Premium Product

Shipping information

Free Shipping Policy
Parcel shipments with item value over $200.00 qualify for free economy shipping within the continental US. Please indicate at checkout if USPS or UPS is a required shipment method. We do not charge a handling fee or require a minimum amount on any order. Breakers & Controls Florida does not ship on customer accounts.

Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances Breakers & Controls Florida may reserve up to 5 business days to consolidate orders for complete shipment.

Warranty information

At Breakers & Controls Florida, we stand behind the quality and reliability of our products. We understand that purchasing used and obsolete breakers and controls requires confidence in their performance. Therefore, we have established the following warranty policy to ensure your satisfaction:

  1. Limited Warranty: All used and obsolete breakers and controls purchased from [Company Name] are covered by a limited warranty. This warranty guarantees that the products will be free from defects in material and workmanship under normal use and service for a specified period from the date of purchase.
  2. Warranty Period: The warranty period for used and obsolete breakers and controls may vary depending on the specific product and its condition at the time of purchase. The warranty duration will be clearly stated on the product listing or accompanying documentation. Please review the product description or contact our customer support team for the warranty period applicable to your purchase.
  3. Warranty Coverage: Our warranty covers the repair or replacement of defective parts or products at our discretion. If a covered product is found to be defective within the warranty period, we will either repair the product, replace it with an equivalent item, or provide a refund, depending on the availability of the specific product and the customer’s preference.

Additional information

Weight 1.5 lbs

New, Used



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