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Square D QOB3301042 - Molded Case 30A 3-Pole Breaker

Square D
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Square D QOB3301042 is a QOB Series 3-pole molded case circuit breaker from Schneider Electric, designed for thermal magnetic overcurrent protection in commercial and industrial power distribution systems. It is rated for 30A at 120/240VAC with a 10kA interrupting capacity at 240V, and features LI (Long-Time and Instantaneous) trip functions for precise fault response. The unit measures 3.0 in (76 mm) x 3.0 in (76 mm) x 2.9 in (74 mm) (H x W x D), weighs 1.21 lb, and utilizes a bolt-on connection with pressure plate terminals for secure installation. This breaker is UL Listed and CSA certified, ensuring compliance with North American safety standards for use in NQ panelboards. It is commonly deployed in industrial control panels, lighting circuits, and branch circuit protection requiring reliable 3-phase, 3-pole operation.

Key Features & Specifications
  • Type: QOB
  • Family: QOB Series
  • Item Subcategory: Molded Case
  • Manufacturer: Schneider Electric
  • Country of Origin: Mexico
  • Current Rating: 30A
  • Voltage Rating: 120/240VAC
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 10kA@240V
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Dimensions: 3.0 in (76 mm) x 3.0 in (76 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 1.21 lb
  • Standards: CSA, UL Listed
  • Certification: UL Listed


Product Identification
  • UPC: 785901907930
  • GTIN: 00785902000000