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Schneider Electric

QOU350

Square D 50A 3 Pole 120/240VAC Thermal Magnetic Circuit Breaker, 10kA Interrupt Rating


Current: 50Poles: 3Voltage: 240VConnection: Unit Mount
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Original equipment manufacturer (OEM) products that have previously been energized and have been inspected, tested, and recertified for return to service. These items may show signs of prior use. Contact our team for details about the unit’s condition, testing documentation, and applicable warranty.

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Price:
Sale price$112.98 Regular price$307.80
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Stock:
100+ in stock, ready to be shipped

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Product Description & Specifications

Confirm the complete catalog number and application requirements before ordering. The specifications below reflect the product information available for this listing.

Manufacturer
Schneider Electric
Brand
Square D
Sub-Category
Molded Case
Series
QOU Series
Frame
QOU
Rated current
50
Voltage
240V
Poles
3
Phases
3
Interrupting rating
10kA@240V
Trip functions
Long Time and Instantaneous Trip
Protection
Thermal Magnetic
Connection
Unit Mount
Terminals
Slotted Box Lug (Reversible Line and Load)
Panel / equipment
Air Conditioning and Refrigeration Equipment, Heating
Mounting
Unit Mount
Standards
CSA, IEC, UL listed
Country of origin
Mexico
Show all specifications (9 more)
Frame Size
100A/QOU
MCM Size
Min. Wire Size 14 AWG Max. Wire Size 2 AWG
Breaker Type
Standard
UPC
785901418986
GTIN
00785901418986
Dimensions
4.05 in (102.87 mm) x 2.25 in (57.15 mm) x 2.95 in (74.93 mm) (Height x Width x Depth)
Weight
1.15
Certification
IEC, UL listed
Wire Size
AWG 14...AWG 2 aluminium/copper
Product description & additional details

QOU350


QOU350 is a 3 pole, 50 amp thermal magnetic circuit breaker from Square D designed for 120/240VAC and 48VDC applications.QOU350 features a 10kA interrupting rating at 120/240VAC, feed-thru connection type, and includes long time and instantaneous trip functions for reliable protection. It supports wire sizes from AWG 14 to AWG 2 for both aluminum and copper conductors and is UL, CSA, and IEC certified.
    Key Specifications
    • Amperage: 50A
    • Voltage: 120/240VAC, 48VDC
    • Poles: 3
    • Interrupt Rating: 10kA at 120/240VAC
    • Mounting Type: Unit Mount
    • Trip Unit: Thermal Magnetic with Long Time and Instantaneous Trip
    • Connection Type: Feed-Thru
    • Terminal Connection: Slotted Box Line and Load Side Lug
    • Wire Gauge: AWG 14 to AWG 2 (Aluminum/Copper)
    • Certifications: UL, CSA, IEC
    • Frame Type: QOU Series
    • Breaker Feature: Mercury Free
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Specifications

  • Part Number: QOU350
  • Manufacturer : Schneider Electric
  • Brand : Square D
  • Category : Circuit Breaker
  • Item Subcategory : Molded Case
  • Family : QOU Series
  • Type : QOU
  • Voltage : 240
  • Amperage : 50
  • Phase : 3
  • Poles : 3
  • AIC rating : 10kA@240V
  • Connection : Unit Mount
  • Functions : Long Time and Instantaneous Trip
  • Terminal Connection : Slotted Box Lug (Reversible Line and Load)
  • Frame Size : 100A/QOU
  • MCM Size : Min. Wire Size 14 AWG Max. Wire Size 2 AWG
  • Breaker Type : Standard
  • Circuit Breaker Mounting Style : Unit Mount
  • Protection : Thermal Magnetic

Product Data

  • UPC : 785901418986
  • GTIN : 00785901418986
  • Country of Origin : Mexico
  • Dimensions : 4.05 in (102.87 mm) x 2.25 in (57.15 mm) x 2.95 in (74.93 mm) (Height x Width x Depth)
  • Weight : 1.15
  • Panel Type : Air Conditioning and Refrigeration Equipment, Heating
  • Standards : CSA, IEC, UL listed
  • Certification : IEC, UL listed
  • Wire Size : AWG 14...AWG 2 aluminium/copper

Technical Documents
Return eligibility: what to know before ordering

Return requests must be made within 30 days of shipping and require authorization. Used, installed, energized, or tested items are not eligible. A restocking fee of up to 35% may apply. Review the full policy before purchase.

Product-specific restrictions apply. International orders are non-cancellable and non-refundable under the policy.

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Warranty supplied by Essential Electric

Warranty coverage is provided by Essential Electric, subject to the product and policy terms. Essential Electric is an independent supplier. Surplus or discontinued inventory may not qualify for the original manufacturer’s warranty.

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