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Square D QOU1501021 - Molded Case 50A 1-Pole (120V)

Square D
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Square D QOU1501021 is a 1-pole molded case circuit breaker from the QOU Series, designed for overcurrent and short-circuit protection in branch circuits. It is rated for 50A at 120V AC with a 10kA interrupting capacity, utilizing a thermal-magnetic trip unit for LI (Long-Time and Instantaneous) protection. This bolt-on unit measures 4.05 in (102.87 mm) x 1.5 in (38.1 mm) x 2.95 in (74.93 mm) and weighs 0.71 lb, accepting wire sizes from AWG 14 to AWG 2 for aluminum or copper conductors. It is UL listed, IEC, and CSA certified for reliable performance. Typical applications include residential and commercial electrical panels requiring dependable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Schneider Electric
  • Family: QOU Series
  • Country of Origin: Mexico
  • Dimensions: 4.05 in (102.87 mm) x 1.5 in (38.1 mm) x 2.95 in (74.93 mm) (Height x Width x Depth)
  • Weight: 0.71 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 120V
  • Poles: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Wire Size: AWG 14...AWG 2 aluminium/copper
  • Certification: UL listed - IEC - CSA
  • AIC rating: 10kA@120V
  • Phase: 1
  • Current Rating: 50A
  • Amperage: 50 A
  • Voltage Rating: 120/240 V AC
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10,000 A (10kA) at 120/240 V
  • Series/Frame: QOU
  • Trip Unit: Thermal-Magnetic
  • Application: Residential and Commercial