Square D QOU320 Miniature Circuit Breaker – 20A – 3-Pole – 240V AC – 10kA @ 240V – Unit Mount – QOU Series

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SKU: QOU320
Regular price $117.59
Regular price Sale $307.80 Sale price $117.59

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The Square D QOU320 is a 20A, 3-pole standard miniature circuit breaker from the Square D QOU Series. It features a thermal-magnetic molded-case design for overcurrent protection in compatible electrical distribution systems.

The breaker has a maximum voltage rating of 240V AC, with an interrupting rating of 10kA at 240V AC and 5kA at 48/60V DC. It accommodates 14–2 AWG copper or aluminum conductors.

Specifications:

  • Manufacturer: Square D / Schneider Electric
  • Product Type: Miniature Circuit Breaker
  • Product Family: QOU
  • Series: QOU
  • Catalog No.: QOU320
  • Current Rating: 20A
  • Number of Poles: 3-Pole
  • Phase: 3-Phase
  • Maximum Voltage: 240V AC
  • AC Interrupting Rating: 10kA @ 240V AC
  • DC Interrupting Rating: 5kA @ 48/60V DC
  • Circuit Breaker Type: Standard
  • Protection Type: Thermal-Magnetic
  • Mounting / Connection: Unit Mount
  • Wire Range: 14–2 AWG Copper or Aluminum
  • Application: Overcurrent Protection
  • Brand: Square D
  • Authenticity: Authentic Square D / Schneider Electric Product

Part Numbers & Identification:

  • Manufacturer Part Number (MPN): QOU320
  • Catalog Number: QOU320
  • Product Family: Square D QOU Series Circuit Breakers
  • Series: QOU
  • Brand: Square D
  • Manufacturer: Schneider Electric
  • Product Type: Miniature Circuit Breaker
  • Model: QOU320
  • Breaker Configuration: 3-Pole, 20A
  • upc:785901418894

Compatibility:

Designed for use with compatible Square D QOU Series electrical distribution equipment that accepts QOU miniature circuit breakers. The QOU320 provides 20A, 3-pole thermal-magnetic protection for compatible 240V AC applications.

The breaker accommodates 14–2 AWG copper or aluminum conductors and provides 10kA interrupting capacity at 240V AC and 5kA at 48/60V DC. Always verify the specific equipment model, approved breaker type, system voltage, pole configuration, interrupting rating, conductor size, mounting arrangement, and installation requirements before installation.

Certifications:

  • QOU Series
  • 20A Rated
  • 3-Pole / 3-Phase
  • 240V AC Maximum
  • 10kA @ 240V AC Interrupting Rating
  • 5kA @ 48/60V DC Interrupting Rating
  • Thermal-Magnetic Protection
  • Standard Circuit Breaker
  • Unit-Mount Configuration
  • 14–2 AWG Copper or Aluminum
  • Genuine Square D / Schneider Electric Product
  • Type Circuit Breakers
  • Vendor Schneider Electric
  • Brand Square D
  • Electrical Rating Bolt-On - 20 Amp - 3 Pole - 240 Volt

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You may return items within 10 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.

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